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Dritev – Drivetrain For Vehicles 2019

VDI Wissensforum GmbH (Hrsg.)

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Band 2354 2019

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A. Grunwald Transmission system footprint related to fatigue, efficiency and NVH S. I-367-I-384

„… Transmission system footprint related to fatigue, efficiency and NVH Leistungsabdruck eines …” „… transmission system are evaluated in early program phase with OEM during the RFIphase. Typical transmission …” „… particular transmission system within the cloud of data based on experiences, allows the confirmation for …”

C. Schoerghuber, I. Müller, H. Wiener Dedicated hybrid transmission for commercial vehicle applications – Mechanical layout, system analysis and simulation of a dedicated hybrid transmission for commercial vehicles S. III-29-III-48

„… Dedicated Hybrid Transmission for Commercial Vehicle Applications Mechanical layout, system …” „… analysis and simulation of a dedicated hybrid transmission for commercial vehicles Dr. Christoph …” „… dedicated hybrid transmission for various commercial vehicle applications, which AVL is developing as part …”

H. Gürbüz, S. Ott, A. Albers Potentials for improving the system behaviour of highspeed clutches for BEV using optimal transmission springs S. I-265-I-278

„… applications are used. 4.1 Innovative latching system with optimum transmission springs for highspeed …” „… transmission springs for mechanical latching systems is presented in order to use the stored potential energy …” „… electric drive train. [1][2][3][4] The systematic development of shiftable high-speed transmissions and …”

O. Simon, W. Heubner Triple wet clutch module and actuation system, shift cylinders and park lock for modern hybrid transmissions – Architecture and technical description of a triple wet clutch unit and the related active... S. I-471-I-482

„… passive clutch and shift actuation system Dipl.-Ing. Olivier Simon, Valeo Transmissions, Amiens …” „… , 2019 475 Actuation system New hybrid transmissions and DHTs have a big focus on efficiency …” „… lubrication. This low pressure systems have to be adapted to the transmission, there a lot of different …”

A. Moser, F. Brezger Efficiency improvements in transmissions using new latching technologies in clutch & hydraulic actuation systems S. I-427-I-446

„… multispeed transmissions are using this technique. The pump generates the so-called system pressure, which …” „… transmission housing applying force and travel with a so-called engage bearing. The system pressure is …” „… integrated. This type of transmission needs a hydraulic system for shifting and usually also for keeping …”

S. Demmerer Efficiency of electric axle drive systems – Potential of multi-speed-drives S. I-279-I-286

„… transmission can enhance the performance by staying with the 3-phase system. A transmission cannot increase …” „… reduction gearset with a constant ratio. Two-speed transmissions are then in discussion, if higher maximum …” „… cars or commercial vehicle applications. For reasons of efficiency, two-speed transmissions have been …”

Titelei/Inhaltsverzeichnis S. I-I-I-XII

„… improving the system behaviour of highspeed clutches for BEV using optimal transmission springs …” „… Transmission system footprint related to fatigue, efficiency and NVH …” „… � � � � � � � � � � � � � � � � � � � � � � �67 G. Hellenbroich, FEV Europe GmbH, Aachen f Modular Systems Modular system 8G-DCT with all-wheel …”

H. Göbbels, S. Scholz, S. Volkmer Efficient 6-speed manual transmission for modern downspeeding solutions S. I-411-I-426

„… Synchronizer Two different cone systems are used for the synchronizer blocking rings for the transmission …” „… output shaft, while gears 3 to 6 use single-cone systems located on the transmission input shaft. This …” „… Efficient 6-Speed Manual Transmission for Modern Downspeeding Solutions Dipl.-Ing. Helmut …”

A. Harsch, G. Clausen, A. Rink Modular system 8G-DCT with all-wheel drive S. I-79-I-94

„… , but forms part of the main transmission. The oil system of the main transmission supplies the PTU with …” „… gear via the paddle shifters on the steering wheel. The transmission control system checks the driver …” „… achieved in the sport program when the launch control is activated. System parameters of the transmission …”

T. Pullen Integrated eDrive system for various performance classes S. I-287-I-294

„… requirements. The variation of the transmission ratio allows the adjustment of the system performance …” „… . In addition, the system target weights, the maximum required transmission VDI-Berichte Nr. 2354 …” „… transmission consistently to a common system housing structure. While keeping the dimensions and interfaces of …”

A. Kinigadner, T. Biermann Schaeffler eAxle family – future solutions for the electric drivetrain S. I-567-II-VIII

„… described subsystems (electric machine, power electronics, transmission) in combination with system …” „… optimisation to improve system behaviour and power distribution Innovative transmission and four-wheel-drive …” „… system-oriented approach. Future system concepts have a high degree of mechanical, electrical, and electronic …”

S. Foulard, S. Rinderknecht, F. Braun, P. Jardin ecoLIFE3: An approach for a resource-efficient dimensioning of vehicle components based on a holistic optimization with real life load data –paradigm shift in transmission engineering based on big dat... S. I-213-I-226

„… transmissions. The system relates to standard industry procedures for load spectrum and damage calculation …” „… typical load & lifetime monitoring system for transmissions Besides, an implementation of the system …” „… the transmission as an entire system should VDI-Berichte Nr. 2354, 2019222 be taken as a reference …”

A. Viehmann, J.-E. Schleiffer, S. Rinderknecht Evaluation of the dedicated range-extender transmission powertrain concept DE-REX regarding efficiency, costs and complexity – Comparative assessment of electric and hybrid powertrain configurations b... S. I-21-I-48

„… mode and coordinates the EM torques / , and the shifting system / , of the transmission. The entire …” „… assessment. The costs of a fixedspeed transmission BEV72 (no clutches, no shifting system and only two gear …” „… costs for a two-speed transmission including a wet dual clutch, a hydraulic actuation system and …”

A. Locher, M. Ebenhoch, P. Gutmann Innovative 8HP modular design kit for conventional, MHEV and PHEV transmissions S. I-103-I-112

„… , carry-over solutions for all transmission derivatives need to be developed on a sub-system level …” „… technologies: sub-systems as an enabler To best meet customer requirements, this system is divided into …” „… Innovative 8HP Modular Design Kit for Conventional, MHEV and PHEV Transmissions Anton Locher …”

K. Baron, C. Rübsam, M. Werra, F. Küçükay Hybridized manual transmission – Opportunities and challenges of mild hybridization S. I-49-I-66

„… using a measurement car with a state of the art manual transmission and clutch system. It was equipped …” „… driving comfort improvement during gear shifts on manual and automated manual transmission (AMT) systems …” „… Hybridized Manual Transmission Opportunities and challenges of mild hybridization Konstantin …”

L. Herdle 7DCT/HDT400 – New fuel-efficient FWD DCT and hybrid transmission for up to 400 Nm S. I-95-I-102

„… EFFICIENCY TRANSMISSION The applied measures lead to system efficiency, which is considered best-in-class …” „… STAND-ALONE ATTRIBUTE – BEST-IN-CLASS TORQUE-TO-WEIGHT RATIO Fig. 4: Transverse Transmission system …” „… transmissions systems. Since the HDT replaces components like the 12V generator the relevant weight on vehicle …”

S. Kluemper Benefits of the new Allison 9-speed fully automatic – Medium duty commercial transmission S. III-61-III-74

„… introduced with Allison Transmission’s 6th Generation controls system. 6th Generation controls will support …” „… integrating numerous fuel savings and productivity enhancing control algorithms into the transmission system …” „… Benefits of the New Allison 9-Speed Fully Automatic Medium Duty Commercial Transmission Scott …”

S. Johnsen, R. Wexenberger Mechatronic transmission control module for agile AMT Transmission actuation in commercial vehicles S. III-75-III-84

„… ATrAct™ transmission actuation system which was co-developed and launched for a dedicated customer …” „… . This system is prosperous implemented in a new AMT transmission and HD Truck Generation. With …” „… 1 Figure 1 ATrAct™ transmission actuation unit with ExAct™ external …”

R. Nasdal, K. Masser Diverse requirements, one product family – The HV Kit for LCV from MAGNA S. III-55-III-60

„… only few components are contributing to losses in transmission system. These are mainly gears …” „… Nasdal, Getrag Ford Transmissions, Köln; Dr. Karl Masser, MAGNA Engineering Center Steyr, St. Valentin …” „… . This solution is easy to install and can be used as an AWD system in hybrid mode. The second solution …”

M. Horn, F. Kutter, B. Vahlensieck Advanced development of dedicated hybrid concepts – Systematic search for optimal powertrain concepts S. I-1-I-20

„… requirements. The holistic multi-criteria transmission system optimization considers all possible driving …” „… systems seems to be the best way for the beginning of the 2020 years. Transmission kits allow appropriate …” „… the systematic search of transmissions for dedicated hybrid concepts The created process chain …”

C. Dassler, M. Kurch, M. Nichols NVH-challenges and solution approaches in electric drive development from the supplier‘s view S. I-349-I-366

„… deformation state of the entire transmission system, the time-varying stiffness behavior of individual gear …” „… and connecting elements of the transmission are modeled VDI-Berichte Nr. 2354, 2019358 as a system of …” „… : Test results of optimization Challenges and solutions of the system´s NVH behavior In order to …”

Y. Le Neindre Great Wall Motors’ 2nd generation of Pi4 platform – A high performance PHEV for premium SUV in China S. II-99-II-110

„… based on a P0-P4 topology. Improvements made on components (engine, transmission, battery & braking …” „… system) as well as function features enabled to make significant improvements on longitudinal dynamics …” „… . • In-house developed 7 speed Dual Clutch Transmission (as opposed to the 6 speed DCT used in first …”

P. Lück, K. Bennewitz, J. Tousen Volkswagen’s electric drivetrains of the new modular e-drive kit (MEB) S. I-515-I-530

„… systematically intermeshed. The high-voltage battery, a high-performance lithium-ion system, is located into the …” „… single-speed transmission, the highvoltage wiring and the charging device. Basically, two e-drives can be …” „… all-electric vehicles (fig. 2). The components of the electric drive system and the package are carefully and …”

S. Stöhr, R. Koesling, V. Marx New all-wheel drive systems in Mercedes-Benz SUVs S. I-483-I-500

„… 483 All-Wheel Drive System Development at Mercedes-Benz SUVs of the last 40 years Production of the …” „… set. Fig. 1: All Wheel Drive System History Unveiled in 1989, the 463 model series turned the …” „… differential locks were replaced by a further-developed variant of the electronic traction system, which …”

D. Schweigert, M. Mileti, B. Morhard, M. Sedlmair, M. Fromberger, M. Otto, T. Lohner, K. Stahl Innovative transmission concept for hyper-high-speed electromechanical powertrains S. I-541-I-554

„… machines and the transmission system as a whole. The decreased gear input torques deriving from the high …” „… sub-transmissions and the innovative shifting by a voice coil actuator. The two power paths of the system are …” „… Innovative transmission concept for hyper-high-speed electromechanical powertrains Daniel …”

M. Bahne, A. Wiesebrock Flexible oil management for dual-clutch transmissions S. I-447-I-454

„… . Wiesebrock, Magna Powertrain Transmission Systems, Untergruppenbach Zusammenfassung Über die …” „… Flexible Oil Management for Dual-clutch Transmissions Dipl.-Ing. M. Bahne, Dr.-Ing. A …” „… lubrication oil management by Magna Powertrain and BMW is created for automatically shifted transmissions. It …”

P. Fietkau, N. Lamparsky, M. Felbermaier, A. Fröhlcke, T. Conze Holistic design approach for electric drives S. I-163-I-178

„… Lubrication System DPS and Transmission DPS, and also supplies control path models for a software- or …” „… FE-System abgewälzt. Diese Simulation liefert endgültige Aussagen zu auftretenden Kräften …” „… the system introduced at Porsche AG for holistic digital powertrain development, using the mechanical …”

H. Merkel Solutions for increased power density at shifting clutches S. I-197-I-212

„… , BorgWarner Transmission Systems, Ketsch Zusammenfassung Bei modernen Fahrzeug- und Antriebskonzepten …” „… various functions within the system. Hybrid and Electric vehicles present new challenges, especially in …” „… transmission in an extremely compact installation space. The new clutch design combines a friction plate …”

K. von Rueden, C. Danzer, J. Liebold, T. Mueller, T. Hirschbeck 1, 2 or 3 – how much it would be? Evaluating the need of multispeed electric drives coming from different perspectives S. I-227-I-254

„… , transmission and actuation system, the drivability optimization in multi-speed systems is of great importance …” „… few assemblies as possible with a modular system consisting of e-machine, transmission and power …” „… the electric motor, the inverter, the battery, cooling system and subsequent transmission, both …”

R. Gat, M. Ehlen Virtual lubrication analysis – Simulation of oil flow in gearboxes using a novel lagrangian approach S. I-133-I-136

„… efficient lubrication systems for state-of-the-art transmissions and gearboxes are mostly passive and …” „… different areas. In modern transmission development one major task is to ensure lubrication and cooling of …” „… , including the prediction of oil flows in transmissions and gearboxes. These approaches and workflows have …”

A. Lampe, R. Serway, L. Große Siestrup, C. Gühmann Artificial intelligence in transmission control – Clutch engagement with reinforcement learning S. I-113-I-132

„… augmented, time-consuming calibration effort for fine-tuning of the system. Transmission software functions …” „… Artificial Intelligence in Transmission Control Clutch Engagement with Reinforcement Learning …” „… voraussetzen. Sie haben den Nachteil, dass sie die Kenntnis über das reale System erfordern, dieses aber …”

C. Möser, T. Märkle, K. Hornung Effective acoustic development of electrified powertrains – Combination of simulation and evaluation methods S. I-329-I-348

„… Python, through to machine learning. It creates system understanding, and helps in developing efficient …” „… comprehensive means of understanding the behaviour of the system under analysis in a visually striking way, and …” „… the electric drive system and the vehicle, and represents a certain novelty. Even just gearing noise …”

V. Schroiff A modular Concept for EMI shielding of thermoplastic housings for E-Cars – An innovative approach to support weight saving and function integration S. II-161-III-VIII

„… Innovative transmission and four-wheel-drive concepts for the electrified drive system Development potentials …” „… , system analysis and simulation of a dedicated hybrid transmission for commercial vehicles …” „… . In this case the conductivity can be achieved by the compounding of a corresponding filler system …”

A. Kooy, R. Seebacher Minimize torsional vibrations – Full isolation if necessary S. I-313-I-328

„… of vibration damper systems: Active systems: Energy is supplied to and extracted from the system …” „… motor and transmission. The alternation of electric motor drives and internal combustion engine drives …” „… variants, transmission manufacturers rely on the increased use of CAE tools with the aim of including the …”

W. Wenzel, M. Eglinger, M. Li, C. Sieg, J. Hengst, F. Küçükay Next generation of 48V HEV S. I-295-I-312

„… 20 kW. It is expected that in the next years the 48V system can offer a peak electrical power up to …” „… (Dedicated Hybrid Transmission), a current P0 48V hybrid and a conventional vehicle. In order to evaluate …” „… ) is used. Furthermore, a lossmap-based transmission loss simulation is integrated to improve the …”

C. Schmahl, M. Höck, D. Ressin, M. Kesseler GKN’s ActiveConnect AWD system as an energy-efficient solution for electrified vehicles S. I-555-I-566

„… introduced vehicle concepts . The disconnection of the AWD system limits power transmission to a single …” „… transmissions a mechanical system should be considered in future concept developments. Many of the findings …” „… GKN’s ActiveConnect AWD system as an energy-efficient solution for electrified vehicles …”

U. Stockinger, H. Pflaum, K. Stahl Single vs. multi-cone synchronizers with carbon friction lining – A comparison of load limits and deterioration behavior S. I-455-I-470

„… Synchronizers are widely used in gear boxes of car and truck transmissions. Optimizing costs and improving the …” „… widely used in gear boxes of car and truck transmissions. These machine elements synchronize the …” „… loads are significantly higher than the typically specified lifetime transmission conditions in order …”

B. Müller, C. Angrick, M. Fritz New concepts for electrical drive trains for high power density S. II-55-II-66

„… , and control strategy, which is why a system-oriented approach is needed. Schaeffler already proved …” „… powertrain systems such as electric axles, hybrid modules and dedicated hybrid transmissions, their high …” „… platform approach comprising all system components of the electrified automotive powertrain ranging from …”

A. Esser, J.-E. Schleiffer, T. Eichenlaub, S. Rinderknecht Development of an optimization framework for the comparative evaluation of the ecoimpact of powertrain concepts S. I-137-I-162

„… Capacity of the battery Number of speeds in the transmission system Gear ratio of the transmission …” „… with the aid of a holistic overall system optimization approach is needed. Basis for the dimensioning …” „… Machine EM and Generator G), as well as the transmission and the battery. The architecture is shown in …”

M. Lindström Gas powered heavy duty vehicles from Scania: Current program and future potential S. III-49-III-54

„… pumping losses. The EGR-system can be seen on the hot side of the engine in Fig. 3. VDI-Berichte …” „… automatic transmission with a torque converter or with Scania Opticruise. The Scania Opticruise is an …” „… automated mechanical gearbox with electro-hydraulic clutch control. This transmission allows the engine to …”

M. Maillard, L. Laurenty, S. Chretien Impact of hybridization on functional safety for low voltage eMotors – Impact of electrical and hybrid architectures (P2 P4) on the ASIL of electrical machines (eMotors) S. II-141-II-150

„… call this disengagement system a decoupling function. Powertrain Electrical Systems mechanical …” „… mechanical performances. VDI-Berichte Nr. 2354, 2019 145 Fig. 4: Belt Systems & eMotors System …” „… complex to implement. Similarly, the mechanical interfaces for the transmission of torque electrical …”

G. Hellenbroich Low-cost DCT for emerging markets incl. 48 V hybridization S. I-67-I-78

„… transmission length of 330 mm to 355 mm depending on the chosen dual clutch system, shorter than any other …” „… transmission are actuated electro-mechanically with a single shift drum. This system can remain completely …” „… Doppelkupplungsgetriebe dar. Abstract Following manual transmissions and AMTs, dual clutch transmissions (DCT) are …”

S. Sudo, T. Maeda, R. Kobayashi Drivetrain trend of truck of Asian market and new technology drive train for HD truck S. III-1-III-8

„… are different drivers for engineering transmissions. CO2 reduction is very important driver for …” „… engineering of drive train system. Hino Motors developed new hybrid system for heavy duty long haul trucks …” „… customer demands; Fuel economy, safety, comfortable, cost…. etc.) Key driver of transmission …”

C. Kim New next generation eight-speed automatic transmission for FWD vehicles S. I-397-I-410

„… span, improvement of transmission efficiency and weight reduction. The clutch, hydraulic system …” „… New next generation eight-speed automatic transmission for FWD vehicles Senior Research …” „… engineer, Cheoljin Kim, HYUNDAI TRANSYS, Hwaseong, Korea Abstract Automatic transmission has been …”

P. Janssen, R. Keizer, T. Rosen Optimization of multi-motor electric drive systems – What is the optimum combination in terms of efficiency and cost? S. I-255-I-264

„… system. It was assumed that all systems are equipped with DC/AC inverters using 650 V IGBT …” „… and different e-motor technologies were analysed for a target vehicle application with a system power …” „… transmission families. The main dimensions were kept constant within one family, and only scaled by gear width …”

M. Jörgensson, C. Wolrath, J. Hallnéus Volvo Cars modular electric axle drive S. I-531-I-540

„… system in coaxial position towards the wheel axle in combination with a planet gear transmission. This …” „… of the world’s broadest electrified car offerings in the market. A scalable modular system was …” „… Volvo Cars fully in-house designed, verified and manufactured e-axle transmission. Manufactured in …”

S. Kurokawa, M. Kunihisa, Y. Oyama Development of a new next-generation CVT for small cars S. I-385-I-396

„… unique specifications. A continuously variable transmission (CVT) newly developed by JATCO specifically …” „… space. That requires a reduction in the longitudinal length of the transmission in order to optimize …” „… the arrangement of each shaft and the operating system layout. 3.3 Selection of skeleton and …”

A. Gehring, M. Beringer, M. Özdemir Overview of stator technologies motors for electro mobility in passcars – The right technology for each application S. II-67-II-76

„… system. Introduction In the past 20 years several approaches have been made to electrify the …” „… , where the oil of the transmission directly cools the stator winding. However also this method has its …” „… develops different technologies for these electric propulsion systems to offer the optimal solution for …”

H. Schäfer System impacts to the electrical drive by using SIC-power semiconductors S. II-15-II-28

„… System impacts to the electrical drive by using SIC-power semiconductors Dr. Heinz Schäfer …” „… depicted. Not considered in this figure is the battery charger and the mechanical transmission. Normally …” „… therefore also the installation space, the weight and system costs. VDI-Berichte Nr. 2354, 2019 …”

K. Hasegawa, D. Kosaka, S. Shimizu, K. Kawabata, H. Tsukashima Development of new hybrid AWD system for the SUV segment S. I-501-I-514

„… Development of New Hybrid AWD System for the SUV Segment Koichi Hasegawa, Daichi Kosaka …” „… (SUV) equipped with an AWD system. This paper also describes how these performance targets were …” „… achieved using a front-wheel drive-based hybrid AWD system in which the non-driven rear wheels are powered …”

C. Leonhardt, M. Otto, K. Stahl Potential of lightweight construction and component properties of joined spur gears S. I-179-I-196

„… with high transmission ratio (not depicted) in combination with a lever construction. VDI-Berichte …” „… measuring device at zero load. Additionally the system is preloaded by a small load to eliminate the …” „… clearance in the whole system including shaft-hub connections and the tooth contact. The second phase is …”

M. Scherpelz, J. Bernhardt, T. Weyh Simulation of load cycles for commercial vehicle drivelines based on statistical reasoning S. III-85-III-102

„… properties, control algorithms and strategies, e.g. shifting strategy of the transmission (see [6]). Fig …” „… parameters such as transmission ratios and engine maps, which were used in the project, but will not be …” „… driveline parameters like transmission ratios, a consumption VDI-Berichte Nr. 2354, 201994 matrix, etc. are …”

doi.org/10.51202/9783181023549

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International Conference on Gears 2022

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2389 2022

Treffer in den folgenden Teilen:

R. Chen, D. Qin, C. Liu Study on electromechanical coupled dynamic characteristics of transmission system of wind turbine S. 763-778

„… Study on Electromechanical Coupled Dynamic Characteristics of Transmission System of Wind Turbine …” „… includes a translational–torsional dynamic model of a gear transmission system that can be used for …” „… transmission system with the measured load as the input and determined that “the largest vibration is the gear …”

P. Rodel, R. Spieler, M. Indenbirken, T. Nuisl Holistic friction optimization of transmissions – a significant contribution for sustainability S. 731-744

„… . Instead the transmission must be modelled as a complete system including all relevant elasticities …” „… transmission system development. Key element of this endeavors always is to reduce energy losses and increase …” „… be shown how OptiKit enables an automated design optimization of the whole transmission system. The …”

S. Ebrahimi, J. Langhart, D. Marano NVH calculations for drivetrains, a methodology for selection of the best suitable calculation approach for a specific purpose S. 75-90

„… peak-to-peak transmission error and subsequently lower excitations to the powertrain system. Introduction The …” „… affecting the transmission error [1]. With increasing the input speed of the system, the excitation …” „… peak-to-peak transmission error and subsequently lower excitations to the powertrain system. Fig. 11: ERP of …”

D. Park, A. Rezayat, Y. Gwen Gear design optimization for multi-mesh and multi-power flow transmissions under a broad torque range incorporated with multibody simulations S. 849-862

„… system level still depends on the designer’s skill and experiences, especially for the transmission …” „… average of peak-to-peak transmission errors from each evaluated torque) and the system mesh power loss …” „… Gear design optimization for multi-mesh and multi-power flow transmissions under a broad torque …”

M. Weigand, C. Gachot Improved rotorcraft drivetrain safety and related research with special focus on improved lubricants for rotorcraft transmissions S. 561-572

„… lubricants for rotorcraft transmissions Prof. Dr.-Ing. Michael Weigand, Prof. Dr.-Ing. Carsten Gachot, TU …” „… Wien, Vienna, Austria Abstract TU Wien works in the fields of Transmissions for Aviation and …” „… Transmissions for Aviation at TU Wien TU Wien addresses Transmissions for Aviation with Special Courses …”

M. Weigand Smart and intelligent chip detectors using machine learning to monitor wear particles and dangerous degradation of critical powertrain components S. 995-998

„… . But only the knowledge of the presence of wear particles in the lubrication system is no sufficient …” „… monitoring for transmissions and gearboxes in 2019. The goal was to increase safety during operation and give …” „… collaboration with TU Wien. The research unit of Machine Elements and Transmissions for Aviation offers …”

T. Konig, M. Kley, F. Wagner, M. Liebschner Enhanced damage classification on transmissions by generating synthetic data with Generative Adversarial Networks (GAN) S. 227-238

„… transmissions and thus enable conclusions to be drawn about the condition of a drive system. [1, 2] The …” „… , location and extent of damage in the transmission system. Only selected data at identical and constant …” „… Condition monitoring of transmissions and drive systems is becoming an increasingly important part in many …”

C. Schonke, T. Magdy, K. Daubach, W. Kassem, M. Oehler, O. Koch Simulation of high torque density gearbox noise excitation S. 837-848

„… prediction of gear excitation (transmission error) of such elastic systems is still a challenge. The key …” „… . This relates in particular to gear mesh properties such as load distribution and transmission error …” „… concerning transmission error (TE), which to a large extent determines the noise excitation characteristics …”

J. Theling, M. Willecke, J. Brimmers, C. Brecher Influences on the Excitation Behavior of Lightweight Planetary Gearboxes S. 421-432

„… meshes caused by global deformation Better load distribution and loadsharingOverall SystemHigher …” „… the influence on the transmission error was not determined. Therefore, the objective of this report is …” „… deformation and deviationof the overall system Misalignment of the centralelements sun gear, ring gearand …”

Titelei/Inhaltsverzeichnis S. I-XXVIII

„… electromechanical coupled dynamic characteristics of transmission system of wind turbine …” „… 45I. Hong, Z. Teaford, A. Kahraman, Gear and Power Transmission Research Laboratory,Department of …” „… Costs – Coherent R&D for gears, system and manufacturing 103A. Hessler, B. Neubauer, Business …”

A. Hessler, B. Neubauer NVH-performance versus Costs – Coherent R&D for gears, system and manufacturing S. 103-118

„… efficiency and power density, while maintaining minimal noise-emissions. 2 Transmission systems …” „… find statistical relationships between the measured structure or airborne noise of transmission systems …” „… NVH-Performance versus Costs – Coherent R&D for Gears, System and Manufacturing Interaction …”

A. Zhang, J. Wei, M. Cao, B. Peng Dynamic modeling and accuracy evaluation method for complex irregular components of aviation transmission S. 573-584

„… aviation transmission. 1 Introduction Transmission system is one of the key core components of the …” „… ., Rotordynamics analysis of a double-helical gear transmission system, Meccanica, 51 (2016) 1 pp. 251-268 …” „… become an inevitable requirement for high-accuracy system-level modeling [1]. With the rapid development …”

N. Hessinger, M. Braunstingl, H. Bansal Advanced use of DOE in gear geometry optimization S. 281-286

„… by further comparing dynamic results of the NVH response of the system to real test data. Hypoid …” „… parameters, such as the cutter system, ratio and module. Additionally, the design tool is used to identify …” „… their respective deflections as previously determined in the system FEA model. The TCA directly …”

A. Spatzig, N. Fujimura, P. de Oliveira Teixeira Practical analysis of productivity of grinding tools in the process of internal generating gear grinding S. 1319-1330

„… Abstract Planetary gear systems continue to be the focus in new transmission developments and are the …” „… unwanted noise and vibration. It is especially sensitive on e-axle transmissions which rely on fewer …” „… elements than conventional combustion engine transmissions. Internal generating gear grinding is one …”

L. Ryali, D. Talbot Dynamic load distribution of planetary gear sets subject to both internal and external excitations S. 389-408

„… . The influence of operating conditions on both system-level response and local gear mesh contact stress …” „… planets) and system-level errors (pin position/alignment error, tooth thickness error, runout error). This …” „… of Excitations in Geared Systems by Transmission Errors,” Journal of Sound and Vibration, 290(3), p …”

B. Guilbert, P. Velex Influence of thin rimmed/-webbed gears on transmission dynamic behaviour – Approximate dynamic factor formula S. 523-532

„… geared systems by transmission errors”, Journal of Sound and Vibration, 290(2006) pp.882-909. [14] Velex …” „… Influence of thin rimmed/-webbed gears on transmission dynamic behaviour – Approximate dynamic …” „… Element models, strain energies and quasi-static transmission errors. It is shown that, whenever solid …”

F. Thurner Light into the black box: using AI software to identify unknown mechanisms of action and resolve acoustic/NVH problems – practical example of a passenger car powertrain S. 779-786

„… measurement system-capable according to MSA type II. Subjective evaluations, on the other hand, are more …” „… system-compatible result data Yn and the likewise valid data and measured values of the possible influence factors …” „… comfort in vehicles. The cause is often the gearing in the transmissions. Due to the large number of …”

L. Bo Integrated optimization of structural and control parameters for a hybrid electric system S. 927-934

„… transmission system composed of coupling mechanism, deceleration mechanism and driving motor, and the vehicle …” „… Integrated optimization of structural and control parameters for a hybrid electric system Lin Bo …” „… vehicle are optimized. Considering the dynamic characteristics of each component, the hybrid power system …”

X. Zheng, Y. Hu FE analysis and predication on the traveling wave – resonance of aero-gears S. 915-926

„… Bevel gears are widely applied in high-speed transmission systems due to the high contact ratio …” „… . Yumei Hu, State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing, China …” „… Abstract The resonance of bevel gear mesh in high-speed transmission is still a major challenge in …”

L.-C. Chang, S.-J. Tsai, C.-H. Huang Contact characteristics of cycloid planetary gear drives considering backlashes and clearances S. 215-226

„… , Ph.D., Transmission Machinery, Tainan City, TaiwanAbstractThe aim of the paper is to analyze contact …” „… transmission errors.(1) Pin-wheel contact tooth pairs. The meshing relation is based on relative motion of the …” „… pin-shaft is effective for transmission if the inner product of the position vector uOCAOC and the normal …”

Y. Koch, G. Martin, E. Kirchner, D. Quirnheim Pais, R. Slatter Feasibility study of measuring instantaneous angular speed of helical gears with magnetoresistive sensors S. 253-264

„… sensor data. Independent of the maturity level of the system under consideration, mechatronic, smart and …” „… involute gear trains is based on an order analysis of the system vibrations and an associated method is to …” „… , 3, 9]. Loaded transmission error The meshing of two gears can be described as spring and damper …”

J. Gotz, F. Siglmuller, M. Furst, M. Otto, K. Stahl Experimental investigation of the dynamic load sharing of planetary gearboxes S. 409-420

„… . Viadero, „Planetary transmission load sharing: Manufacturing errors and system configuration study …” „… significantly by the dynamic system behaviour of the planetary gear system, whereas the dynamic load share for …” „… evaluate the influence of speeds under consideration of the vibration characteristics of the system. 2 …”

M. Furst, J. Gotz, M. Otto, K. Stahl Automation of gearbox design S. 787-802

„… shaft-bearing system into the overall transmission design process. In addition to iterative optimization, the …” „… Abstract In order to respond to a shortened development time of today's transmission systems, the …” „… address the complexity of today's transmission systems adequately. Some commercial program systems …”

B. Legrady, M. Taesch, G. Tschirschnitz, C. F. Mieth Prediction of churning losses in an industrial gear box with spiral bevel gears using the smoothed particle hydrodynamic method S. 651-664

„… experiment. 4.2 Churning losses of the reduced systemPreliminary churning loss evaluations aim at the …” „… churning losses of a spiral bevel gear transmission using the novel meshless particle method, smoothed …” „… for an automotive transmission at its top gear ratio [2]. Power losses within a gearbox are classified …”

C. A. Celikay, A. Donmez, A. Kahraman An experimental study of parametric resonances of a spur gear pair at speeds above its primary resonance S. 511-522

„… Resonance C. Alper Celikay, Ata Donmez, Ahmet Kahraman, Gear and Power Transmission Research Laboratory The …” „… conventional transmission applications. In view of the push towards higher speed gear sets for electrified …” „… as the frequency content of the measured transmission error signals. 1. Introduction Spur gears are …”

D. Drummer, D. Schubert, C. Herzog In situ measurement of geometric and structural influences on the operating properties of polymer gears S. 1099-1116

„… deformation and system performance as well as lifetime. Furthermore, this work demonstrates the potential of …” „… maintenance and repair cost by monitoring the health of a critical system [9], e.g. a gear drive. In condition …” „… to characterise the wear during operation: Gravimetric or tactile measurement or analysis of a system …”

W. Wagner, S. Schumann, B. Schlecht Enhanced loaded tooth contact analysis of hypoid gears within a multi-body-system simulation S. 357-370

„… . This results in a stiffness discontinuity for the entire system of the tooth contact. The transmission …” „… Enhanced Loaded tooth contact analysis of hypoid gears within a multi-body-system simulation …” „… within a multi-body-system simulation offers the possibility to outsource the calculation of the tooth …”

A. Hilligardt, J. Klose, V. Schulze A new method for avoiding meshing interference in gear skiving S. 1305-1318

„… the process three coordi-nate systems are used: A fixed coordinate system (machine coordinate system …” „… quantity for electric mobility transmissions. Due to the complex kinematics of gear skiving, collisions of …” „… ) defined by xm, ym and zm; a tool coordinate system with x0, y0 and z0 and a workpiece coordinate system …”

L. Maccioni, F. Concli, C. Paschold A Novel Concept of Nested Cycloidal Speed Reducer S. 969-984

„… experi-mental verification of the transmission in a lunar drilling system. Applied Thermal Engi-neering 113, S …” „… automatic approach to build TNMs. They either model their investigated gearbox as an isothermal system for …” „… , X.; Velex, P.: Power Loss Predictions in Geared Transmissions Using Thermal Networks-Applications to …”

P. Mahendra Rao, S. Foletti, L. Bonaiti, C. Gorla, S. Beretta, F. Concli Mode III threshold under rolling contact fatigue and development of a test gearbox for planet gears S. 499-510

„… the epicyclic module of high-power mechanical power transmission systems of aerospace applications …” „… equivalent to this real one. The multiaxial tests are performed on an MTS 809 Axial/Torsional Test System …” „… intended test gearbox coupled to the test rig system. Fig. 6: Intended final criteria for the test gearbox …”

H.-J. Dennig, L. Zumofen, A. Kirchheim, S. Winterberg, D. Stierli Increasing the safety against scuffing of additive manufactured gear wheels by internal cooling channels S. 1345-1364

„… example, integrating a cooling system can increase the safety against scuffing or reduce the amount of …” „… . Introduction and motivation Transmission components must be made lighter and more efficient [1, 2]. Spur gears …” „… ]. A high degree of efficiency in power transmission and, at the same time, a high power density of the …”

T.-T. Mac, D. Iba, Y. Matsushita, S. Mukai, T. Inoue, A. Fukushima, N. Miura, T. Iizuka, A. Masuda, I. Moriwaki Application of genetic algorithms for parameters identification in a developing smart gear system S. 239-252

„… transmission from an antenna). Proc. SPIE 10973, Smart Structures and NDE for Energy Systems and Industry 4.0 …” „… Application of Genetic Algorithms for parameters identification in a developing smart gear system …” „… monitoring system. Based on a derived return loss function, the GA method helps selecting the most suitable …”

K. Stahl, T. Tobie, C. M. Illenberger Standardized methods of load capacity calculation of plastic gears S. 1173-1180

„… applications. In the past, the focus was mostly on motion transmission in actuators, but current developments …” „… system and load distribu-tion. VDI 2736 [11] requires a safety factor of SFmin = 1.6 for intermittent …” „… , 20221178? - Required minimum safety factor (flank) ? Nm Torque ? - Transmission ratio ? m/s Tangential …”

F. Donner, T. Scheu, M. Weigand Dynamic simulation of a rotor system with variable speed S. 985-994

„… / variable rotor speed” that consists of a transmission with variable ratio and a rotor system with rotor …” „… showed that a rotor speed variation performed by a transmission system is possible. The efficiency and …” „… -60 main transmission: Fig. 5: Layout of UH-60 transmission system [6] The main power path …”

I. Hong, Z. Teaford, A. Kahraman A comparison of gear tooth bending fatigue lives from single tooth bending and rotating gear tests S. 45-74

„… bending fatigue failures are instantaneously catastrophic to gear drive power transmission systems. For …” „… critical to the safe operation of power transmission systems they are used in. Long life of these …” „… Isaac Hong, Zach Teaford, Ahmet Kahraman, Gear and Power Transmission Research Laboratory, Department …”

B. H. Kien, D. Iba, Y. Tsutsui, Y. Lei, D. Taga, N. Miura, T. Iizuka, A. Masuda, I. Moriwaki Plastic gear remaining useful life prediction using artificial neural network S. 951-956

„… prognostic system are health indicator (HI) and remaining useful life (RUL). The HI reflects the health or …” „… and working accuracy. If plastic gear can replace metal gear in transmissions, the condition …” „… learning have become more attractive [1]. In previous works, we considered a diagnostic system for plastic …”

A. Turich Gear hard finishing with up to 100% in-process inspection S. 1583-XL

„… a basket-based palletizer system. The integrated automation is made by Gleason Automation Systems …” „… e-drive transmissions, are leading to even tighter tolerances. This vicious circle puts statistical …” „… establishing a “closed loop” connection between the metrology system VDI-Berichte Nr. 2389, 20221584and the …”

K. Lubke, H. Rohr Quality inspection of common step gearings – Overview of different types and their assessment S. 959-968

„… coordinate system must be aligned properly. The x-axis defines 0° in the transmission law, the origin of the …” „… based on the given transmission law. It must follow some design principles especially jerks must be …” „… transmission laws e.g. linear laws, modified sinoid laws or 5th grade polynomic laws. Due to the heavy weight …”

M. Weigand Calculation of weight and center of gravity of rotorcraft drive trains in the early design phases – Exploratory study of feasibility and possible approaches S. 999-1004

„… development. Besides the design of the whole system tools are required for the design of the drivetrain. Not …” „… parameters. TU Wien has already research activities about development of transmissions for rotary wing …” „… helicopter transmissions in the project OHA! – Optimized Helicopter Transmissions Made in Austria! Both …”

M. Solf, J. Brimmers, T. Bergs Sustainable gear manufacturing – Potential and challenges S. 1395-1396

„… a significant influence on system performance and ecology. For example, the use of transmissions in …” „… sustainability are constantly increasing. Especially in the mobility and energy sectors, gear transmissions have …” „… CO2e-emissions. In addition, high-performance transmissions play a decisive role in the generation of …”

A. Baumann, B. Bertsche Coefficient of friction behavior of gear oils and significance for the meshing process of spur gears S. 745-762

„… characterization of transmission oil based on its dynamic viscosity alone is not sufficient for the physical …” „… explanation of different levels of noise emissions in vehicle transmissions. For this reason, the test …” „… differentiation between the oils according to mechanical properties. In gear transmissions with involute gear …”

P. Tenberge, J. Vorgerd, L. Gondecki 2-disc tribometer for various tests on sliding/rolling contacts with tribological loads such as in tooth flank contacts S. 145-156

„… system for steady improvements of the power-density of gears in high-performance transmissions. In this …” „… to a simple test system has not yet been successful. But this task has now been solved with a new 2 …” „… situationTo copy the meshing tribology of tooth flanks nearly 1:1 on a 2-disc system, it finally needs two …”

E. Lamaj, J. Blomeke, F. Rudolph, J. Hermes A comprehensive, fully parametrized calculation model for improved helical-hypoid gearbox efficiency S. 825-836

„… modular transmission system and its sensitivity with respect to various physical and geometrical influence …” „… material and quality of all machine elements. For a complete modular system of gearboxes, this task is very …” „… and validated by system and subsystem level experiments. The virtual gearbox representation is applied …”

X. Tian, L. Zhou, J. Han, L. Xia Research on tooth flank twist compensation of continuous generating grinding gear based on flexible electronic gearbox S. 1005-1018

„… are established. Secondly, the transformation matrix between workpiece and tool coordinate system is …” „… , shock and working noise, and the decreasing transmission accuracy. As a result, it is necessary to …” „… and transmission performance. In summary, gear modification can significantly optimize the stress …”

J. Hochrein, M. Trubswetter, M. Otto, K. Stahl Direct flank geometry calculation for face gears S. 1447-1460

„… the possibility for high transmission ratios in small construction spaces. An involute pinion-type …” „… cutting machines [22]. Mainly auxiliary drives use face gears, but also a few power transmissions are …” „… helicopter transmission [17]. Consequently, the use of face gears is currently limited to applications which …”

L. Becker, D. Vill, P. Tenberge Optimized crossed helical gearboxes using non-involute transverse sections S. 1197-1208

„… corresponds to the system of the worm. The counterpart Fig. 1: Coordinate systems of the crossed helical gear …” „… wheels must be considered in one system. This is done by a global coordinate system X, Y, Z, which …” „… (normal section) and Q-profile VDI-Berichte Nr. 2389, 20221198rack has a local coordinate system q, which …”

A. Beinstingel, M. Heider, B. Pinnekamp, S. Marburg Gear mesh excitation and non-uniform rational B-splines S. 91-102

„… generation of gearboxes is mainly referred to the characteristic transmission process of the mating gear …” „… during power transmission cycles. 1. Introduction The noise characteristics of gearboxes are an …” „… actual power transmission process leads to oscillating forces on the shafts and bearings [1, 2]. These …”

K. Fukanoki, K. Matsuo, Y. Suzuki, K. Fujiki Practical application of asymmetric tooth root geometry for downsizing automotive transmission gears S. 197-214

„… Practical application of asymmetric tooth root geometry for downsizing automotive transmission …” „… gears Kunihiko Fukanoki, Dipl.-Ing. Kouji Matsuo, Hardware System Development Department, JATCO Ltd …” „… , Shizuoka, Japan Abstract Failure modes of automotive transmission gears can be largely divided into …”

D. Zorko, Z. Bergant, B. Černe Potential of woven carbon fiber reinforced polymer composite gears S. 1071-1082

„… and refers to the coordinate system shown in Fig. 1. VDI-Berichte Nr. 2389, 20221072 Fig. 1: Woven …” „… testing system (Fig. 2). Experimental runs were performed at five torque levels ranging from 0.4 to 0.8 Nm …” „… were run until final failure. Fig. 2: Gear par testing system and thermographic image of a tested …”

A. Kubo, A. Ueda, R. Uehara Development of IP-bevel gears for industrial operation S. 343-356

„… Abstract To find the potential of IP-bevel gears in practice, the measurement of the transmission error was …” „… carried out. The transmission error of IP-bevel gears is as same as that of well-developed automotive …” „… point-contact. 2. Transmission error Soft gear noise and vibration during operation is very important factor in …”

S. Oberle, V. Labriola, E. Melnikov, G. Gariglio High performance plastic gear solution in the engine environment S. 1033-1044

„… involving a very complex VDI-Berichte Nr. 2389, 20221034vibrational system. Vibrations created by the …” „… to transmission and wheels (performances / drivability) Alternating inertial forces have the …” „… , but this is not directly influencing / affecting how the driving system works so this aspect will not …”

A. Gebhard, W. Kassem, M. Oehler Cylinder-on-ring model wear tests as an input data source for the simulation of friction and wear of plastic gears S. 1133-1148

„… heating system and a set of fans for forced cooling. In order to maintain nominal ring temperature, both …” „… , FLEISCHER's energetic method includes the friction coefficient of the tribological system in the equation …” „… friction work and describes the tribological system state of a material coupling. It establishes the …”

P. Tenberge, R. Uelpenich, P. Dong, R. He Very fast tooth root optimization – general tool geometry for much smaller tooth root stresses S. 457-468

„… blocked. Local contact loads are applied to other nodes. The system of equations, which is linear for …” „… new coordinate system is introduced in which each grid node has a relative x-position (0 ... 1 …” „… “Power Transmissions 2019”, Varna (BG), 2019 [11] R. He, P. Tenberge, X. Xu, H. Li, R. Uelpenich, P …”

C. M. Illenberger, T. Tobie, K. Stahl Operating behavior and performance of oil-lubricated plastic gears S. 1117-1132

„… measurement signal is passed via a hollow shaft from the housing to a telemetry system.Software is used to …” „… lubrication system. The lubricant is in-jected directly into the gear mesh while the oil level is maintained …” „… provided with a corresponding sensor system. Thermal sensors are applied to the plastic gears and the …”

A. Alnahlaui, P. Tenberge Improved method for the determination of tooth root endurance strength S. 31-44

„… the masses are opposed to each other. Each mass consists of four single masses therefore the system is …” „… transmission with an integrated ball screw. Two exciter magnets represent the dynamic drive. One is located at …” „… verification of the reliability must be shorter and more efficient in the development process. Systematic and …”

K. Daubach, M. Oehler, B. Sauer Wear simulation of worm gears based on an energetic approach S. 329-342

„… . Dr.-Ing. M. Oehler, Prof. Dr.-Ing. B. Sauer, Institute of Machine Elements, Gears & Transmissions …” „… . Introduction Worm gears are used as transmission elements, where a high transmission ratio, a smooth operation …” „… Institute of Machine Elements, Gears & Transmissions for many years. In this context, a simulation tool was …”

F. Lagier, A. Bischofberger, K. Bause, S. Ott Suitability of additive manufactured PEEK gears as a means of gear sampling for automotive high-speed gearboxes S. 1045-1060

„… particular offer the possibility of improving the dynamics of the system as well as its acoustic properties …” „… complete system [1]. Despite the added weight of the gearbox, a significant reduction of the total mass of …” „… understanding of the system be-havior is necessary in order to validate its use as gear sampling material. An …”

F. Muller, S. Schumann, B. Schlecht Innovative tooth contact analysis with non-uniform rational b-spline surfaces S. 171-184

„… realistic results regarding contact stress, tooth root stress and transmission error. 1. Introduction A …” „… bearing deflections of the surrounding system and to take these into account in the tooth contact …” „… polynomial degree ? ? 4 The Bernstein polynomials ? ? form a basis system of linearly independent functions …”

E. Lothman, M. Hein, U. Steiner Increased load carrying capacity of gears through optimized steel performance, surface conditions and processes S. 637-650

„… 637Introduction Improving system performance is of interests to almost everyone in transmission …” „… making process affects the performance of components and whole systems; often however, limited by …” „… industry as well as for very high cycle pressure systems, such as fuel injection systems for diesel (Ölund …”

Y. Marchesse, M. Ruzek, F. Ville, P. Velex On windage power loss reduction achieved by flanges S. 665-676

„… high-speed gearing system the load-independent losses become prominent when peripheral speeds are above 100 …” „… publication in 1984, Dawson (1) showed that transmission efficiency is reduced by the air dragged by a …” „… : Proc ASME Power transmission and Gearing conference, 2000. 5. Computational fluid dynamics simulation …”

G. Hlebanja, M. Hriberšek, M. Erjavec, S. Kulovec Influence of the tooth flank shape on wear for a steel-POM gar pair S. 1295-1304

„… centre distance. Power transmission from the motors to the shafts is by belts. Motors are controlled by …” „… by 10 mm, depending on the tooth size. The measuring system resolution was set to 100 nm in vertical …” „… Transmissions, 2012. Mechanisms and Machine Science, Vol 13. Springer, p.83-98; https://doi.org …”

T. Matsumura, K. Mioki, M. Kada, R. Okuizumi, A. Pogačnik Improved calculation methodology for the prediction of tooth temperature of plastic gears S. 1237-1248

„… ratio, ? is the transmission efficiency, ? is the COF, ? is the gear ratio ? /? , ? and ? are the …” „… , and the transmission efficiency was calculated from the arithmetic mean of the torques for the final 5 …” „… and the CAE simulation, an experimental system was designed (shown in Fig. 2). One gear is fixed …”

B. Reetz, T. Munch, W. Kappeler Challenges for lead-free brass alloys in worm gears S. 1467-1488

„… known that lead has a positive impact VDI-Berichte Nr. 2389, 2022 1467on the tribological system …” „… situation the Fig. 23: Worm gear load capacity for different values of transmission ration [28] Fig. 22 …” „… transmission process. All that results in higher loadings and wear of the worm wheel. But there are also …”

U. Kissling Generation of a torque spectrum from measured torque-speed-time data S. 533-544

„… drive system. The magnitude and frequency of these loads depend upon the driven machine, the motor, the …” „… dynamic mass elastic properties of the system and other effects [1]. These variable loads (stresses) may …” „… drive system, preferably accompanied by experimental testing to validate the calculation. In the …”

A. Sitzmann, T. Tobie, K. Stahl, S. Hoja, S. Schurer Deep nitriding – contact and bending strength of gears with increased nitriding hardening depth S. 875-890

„… a Klingelnberg P40 3D coordinate measuring system. In addition, the gears of all the variants …” „… Power Transmission and Gearing Conference, American Society of Mechanical Engineers. [18] ISO …” „… systematically investigated. For this reason, knowledge about the load carrying capacity of nitrided gears with a …”

S. Matkovič, M. Kalin Effect of tribological properties on tooth root fatigue failure of polymer gears S. 1257-1268

„… Helix angle,° 0 0 Transmission ratio 1.29 Face width, mm 8 6 Normal-pressure angle, ° 20 20 Profile …” „… field in polymer spur gear transmissions, Mech. Mach. Theory. 133 (2019) 195–210. [11] C.M.C.G …” „… . Stahl, Potential of oil-lubricated cylindrical plastic gears, J. Adv. Mech. Des. Syst. Manuf. 12 (2018 …”

S. Vonderschmidt, A. Ott, A. Vonderschmidt High speed machining with magnetically geared driven tools on rotatory milling machines S. 1415-1428

„… , which can be elegantly solved with a magnetic transmission, such as bottle closing systems in the food …” „… , Horb am Neckar Abstract This paper presents a magnetic transmission based driven tool for CNC …” „… development of the basic design of the active part of the magnetic transmission. 1 Introduction In recent …”

S. Reitschuster, C. M. Illenberger, T. Tobie, K. Stahl Application of high performance polymer gears in light urban electric vehicle powertrains S. 1181-1196

„… polymer gears in power transmissions is increasingly gaining focus in current research and industrial …” „… this purpose, a new transmission concept is developed and investigated consid-ering the properties of …” „… polymer and steel materials. Therefore, modifications were applied to a series transmission to ensure …”

L. Hildebrand, F. Dangl, M. Sedlmair, T. Lohner, K. Stahl CFD analysis on the oil flow of a gear stage with guide plate S. 677-694

„… understanding of the system interactions and components is fundamental for optimal design. By means of …” „… , F.; Gorla, C.: Numerical modeling of the power losses in geared transmissions - Windage, churning …” „… transmissions with injection lubrication. Proceedings of the Institution of Mechanical Engineers, Part C …”

P. Roth, M. Hein, K. Stahl Scuffing load capacity calculation of worm gears S. 811-824

„… . The scuffing temperature is a characteristic parameter of a material-lubricant-system of a gear pair …” „… strongly on the heat dissipation properties of the gear box system [27, 28], the wheel bulk temperature …” „… Engineering Conference (IDETC/CIE) - ASME International Power Transmission and Gearing Conference (PTG) 10 …”

G. Klein New chamfer cutting solutions for cylindrical gears: gaining productivity and flexibility S. 1397-1410

„… , especially with edge load situations, material can break off and hardened particles can reduce transmission …” „… life and increase the potential for major damage causing premature transmission failure. This is of …” „… transmissions. Improperly chamfered and deburred gears can lead as well to unexpected, and undesirable, noise …”

N. Sagraloff, T. Tobie, K. Stahl Suitability of the test results of micropitting tests acc to FVA 54/7 for modern practical gear applications S. 469-484

„… influence on the micropitting resistance of a gear-lubricant-system. As a result, it is highly recommended …” „… of the lubricant can be divided into a system consisting of base oil and additive and the nominal …” „… gear-lubricant-system according to ISO/TS 6336-22 [20]. Since micropitting occurs under unfavorable lubrication …”

K. Stahl Foreword S. 1-2

„… subjects of the conference are the NVH-behavior and gear dynamics of geared transmissions. Furthermore …” „… contributions. With smart gear systems and condition monitoring approaches pioneering technologies are subject …”

A. Mihailidis, A. Psarros, I. Nerantzis FE tooth contact analysis of crossed helical gear drives considering misalignments and deviations S. 597-608

„… , Greece Abstract Crossed helical gear drives are easy to produce, they offer power transmission in …” „… pinion can be selected, allowing thus for a high transmission ratio in a compact gearbox. These features …” „… , Aristotle University of Thessaloniki, Greece Dr. Ιng. I. Nerantzis, BETA CAE Systems SA, Thessaloniki …”

W. Kassem, M. Oehler, B. Sauer, S. Schmidt, J. Hausmann Investigation of the time-dependent behavior of plastic gears with local tribological simulation S. 1281-1294

„… Elements, Gears & Transmissions, Technische Universität Kaiserslautern; S. Schmidt, M.Eng., Prof. Dr.-Ing …” „… force Δ? during operation of the gear transmission in the mixed friction region, the total tooth …” „… ) Accelerated lifetime testing of reinforced polymer gears. Journal of Advanced Mechanical Design, Systems, and …”

K. Yanagisawa, A. Weinmann Weight and cost reduction potentials with high performance polymers for gears S. 1019-1032

„… smallest transmission error, and highest root safety. This circumstance allows more flexibility in the …” „… air conditioning systems enables a 40 percent weight reduc-tion compared to conventional materials The …”

I. Moriwaki, K. Tatsuoka, K. Kobayashi, W. Nakamoto, D. Iba, A. Ueda Load-capacity evaluation of polyacetal (POM) internal gears according to JIS B 1759:2016 S. 1161-1172

„… Sharing in Planetary Transmissions: Model and Experiments, ASME Journal of Mechanical Design, Volume 130 …” „… higher rotation speed to permit higher toque to be obtained. Such systems require compact speed reducers …”

T. Arndt, J. Klose, M. Gerstenmeyer, V. Schulze Tool wear development in gear skiving process of quenched and tempered internal gears S. 1331-1344

„… . References [1] Stadtfeld, H. J.: Introduction to electric vehicle transmissions. Gear Technology, Vol. 37 …” „… compared to flood cooling, while the surface quality remained constant [11]. However, a systematic …”

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Drivetrain for Vehicles 2017

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M. Lamke, C. Rüchardt, M. Raeder ZF TraXon transmission system:Paths into the future S. 89-90

A. Tissot, T. Bosse, D. Heße Analytical process and KLT generation based on a Manual transmission dry clutch system S. 35-36

„… Analytical Process and KLT Generation based on a Manual Transmission Dry Clutch System Dipl …” „… manual transmission dry clutch system, have to be identified and processed to driver’s patterns …” „… ) creation based on an example of a manual transmission dry clutch. Characterization of driving pattern and …”

A. Lampe, U. Mettin Generic control approach for multimode-hybrid transmissions-Using a virtual dual clutch framework S. 145-146

„… Generic Control Approach for Multimode-Hybrid Transmissions Using a Virtual Dual Clutch …” „… Abstract Nowadays, the technological evolution of vehicle transmissions shows an increase of variants and …” „… concepts mostly due to electrification. Besides the development of transmissions with pure Parallel Hybrid …”

A. Uhle Actuation synthesis for new hybrid transmission application (DHT) S. 135-136

„… a suitable transmission actuation system. A newly developed, consistent simulation method makes …” „… it possible to analyze, evaluate and optimize transmission actuation systems in relation to …” „… can make a significant contribution to optimizing transmission shifting systems while at the same …”

T. Buchbarger Bondgraphsand Iransmission outpultorque control during gearshifl-lmproved shifl quality and reduced calibration effort for automalic Iransmission control using bond graphs S. 119-120

„… . The ZF 8HP70 automatic transmission is used as an example system. For a predefined shift quality …” „… graph models for transmissions Any dynamic physical system has a graphical representation as a bond …” „… . Rapid prototyping for control systems facilitates tests at the real system early in the development …”

P. Janssen, Y. Zhang Full hybrid planetary transmission with on demand actuation- FEV's newest member of the PREX transmission family S. 49-50

„… transmission systems, with exception of the power on demand actuation, altogether packaged as a hybrid …” „… Full hybrid planetary transmission with on demand actuation FEV´s newest member of the PREX …” „… transmission family MSc. Peter Janssen, MSc. Yi Zhang, Aachen 1. Zusammenfassung Im globalen PKW …”

A. Reut, R. König, S. Rinderknecht Overall optimizalion of electrodynamic shifling syslems- Optimization and improvement ofthe electrical path, mechanical path and conlrol by a new development approach S. 125-126

„… durchgeführt werden. Abstract The internal shifting system of a transmission has a significant influence …” „… on the dynamics, costs and comfort of the transmission. A comprehensive study of the shifting system …” „… . VDI-Berichte Nr. 2313, 2017 125 Motivation The internal shifting system of a transmission has a high influence …”

M. Jordan, D. Kupka, P. Tenberge Control of e-motor-assisted shiftings in dedicated hybrid transmissions S. 77-78

„… ". Continuously variable hybrid transmission systems offer many possibilities for optimising the operating points …” „… Control of e-motor-assisted shiftings in dedicated hybrid transmissions Mick Jordan M.Sc …” „… Varianten der heute auch als „Dedicated Hybrid Transmission“ bezeichneten Getriebe zu untersuchen …”

M. Theobalt, H. Mahe, C. Lopez Perez 3 cylinders and cylinder deactivation: which dampening challenges? S. 83-86

„… , Carlos Lopez Perez, VALEO Transmissions Systems ABSTRACT CO2 emission regulation leads OEM …” „… these trends for the clutch dampening system’s architecture. - to focus on 2 examples, showing new …” „… mainstream, whatever the transmission type. Current technical bricks such as pendulum dampers have to be …”

M. lshihara Camparisen of P2 hybrid DCT actuation control system - An evaluation of Integration complexity, energy consumption and cost S. 121-122

„… consumption by transmission System cost is the key differentiator to Power-split hybrid architecture Minimize …” „… first hybrid powertrain system for mass production vehicle in 1997, various hybrid powertrain systems …” „… becoming more popular powertrain solution next to dedicated-hybrid-transmission systems in recent years …”

K. Muehlbauer, D. Schoeneberger, R. Pohlmann, W. Hackmann, H.-P. Feustel, E. Achleitner, M. Schweizer-Berberich, C. Schmidt, S. Rinderknecht Lew cost plug-in powertrain- Plug-in for the mass market S. 75-76

„… steht für eine Applikation einer sogenannten Dedicated Hybrid Transmission (DHT) [1]. Drittens wird ein …” „… , which mainly reduces the cost of the powertrain system dedicated to price sensitive markets like China …” „… . Secondly, the electrified powertrain is used to simplify the transmission. The conventional launch element …”

U. Reichert, A. Albers, K. Wolter, T. Pinner, S. Ott A new approach for the investigation of synchronizations by different shifting characteristics S. 65-66

„… , electric and hybrid transmissions. Prof. Dr.-Ing. Dr. h.c. A. Albers, Dipl.-Ing. U. Reichert, M.Sc. K …” „… , synchronization units are used in passenger car transmissions. The load and wear of the synchronizer rings used …” „… synchronization time is set directly on the shift knob in manual transmissions and is dependent on the respective …”

O. Coppin 12+12V and 12+48V hybridization: A modular approach and transmission Impacts- Enhancing low voltage hybridization road map S. 23-24

„… of the systems integration in vehicle which can be a significant part of the total system …” „… then explain how to enhance the low voltage roadmap and analyze the impact on transmissions systems …” „… 12+12V and 12+48V Hybridization: a modular approach and transmission impacts. Enhancing low …”

M. Grumbach Advancement in transmission- and hybrid technology to meet future market conditions S. 11-12

„… transmission modules and hybrid systems. Furthermore, anticipatory shift programs/shift functions will also …” „… system portfolio, the article describes the influence of the individual systems on fuel …” „… number of gears and ratio spread of the transmission systems. Although it is clear that all markets …”

M. Horn, U. Griesmeier, B. Vahlensieck New concepts for plug-in hybrid and parallel range-extender transmissions – The next big step of powertrain electrification S. 17-18

„… essential challenges for the systematic search and holistic evaluation of these electrified transmission …” „… New Concepts for Plug-In Hybrid and parallel Range-Extender Transmissions The Next Big Step …” „… . Abstract In this paper Dedicated Hybrid Transmissions for Plug-in Hybrid vehicles and Range- Extender …”

C. Danzer, J. Liebold, E. Schreiterer, J. Mueller Modular low-cost powertrain platform for HEV and EV S. 19-20

„… für Elektro- und Hybridfahrzeuge entwickelt. Das System basiert auf einem einheitlichen Radsatz …” „… electric and hybrid vehicles. The system based on one unity gear set for up to three speeds, which …” „… powerful hybrids. The derivable hybrid powertrains of the platform system is designed for 48V electric …”

G. Goch, Y. Peng, K. Ni, A. Günther Optical and areal measurements and evaluations of cylindrical gears S. 31-32

„… and process improvement. The decisive nature of the gears in vehicle transmission systems require a …” „… automobile gear can be measured in a few minutes, however, for large gears (e.g. in wind energy system [3 …”

M. Weiss, T. Witzemann Flexible eieeirenies Integration platform for future Iransmission applications S. 123-124

„… the transmission housing and improves the quality of the system. Reduced complexity regarding …” „… Flexible Electronics Integration Platform for future Transmission Applications Dipl.-Ing …” „… as Electronic Modules) are used in many transmissions. The integration provides advantages regarding …”

S. Reisen, W. Novak, M. Burgbacher, M. Stockmeier, T. Kamstock The new AMG SPEEDSHIFT MCT 9-speed sports transmission from the Mercedes-Benz automatic transmission family S. 59-60

„… reinforcements and adaptation measures to the existing modular transmission system. The nine forward speeds and …” „… transmission is a specific extension of the modular system of the Mercedes-Benz family of automatic …” „… The New AMG SPEEDSHIFT MCT 9-Speed Sports Transmission from the Mercedes-Benz Automatic …”

M. Bhai, X. Shan Design of a hybrid mode and shift coordinator [hmsc] for the central control software of a range extender powertrain S. 137-138

„… comprises a DHT [1] with two parallel sub-transmissions. Each electric traction machine is coupled to a …” „… two-speed sub-transmission and their torque is aggregated at the final drive. The electric traction …” „… software (SW) will be tested using a prototype transmission and electric traction machines on a powertrain …”

T. Pfund, T. Biermann, M. Gramann Electric axle drives -Scalable propulsion system for electrified powertrains S. 55-56

„… trend towards the integration of the transmission, electric motor and electronic power system in one …” „… Electric Axle Drives Scalable propulsion system for electrified powertrains Dipl.-Ing. Thomas …” „… lightweight differential, transmission solutions of high performance density can be presented in a coaxial or …”

C. Glühmann, H. Huang, R. Knoblich Modelling, simulation and optimisation in the development of transmission control units S. 133-134

„… Modelling, Simulation and Optimisation in the Development of Transmission Control Units Prof …” „… of transmission control units, the gearshift calibration of an automated manual transmission is …” „… , compared with today's multiplying number of variants in vehicle-engine-transmission combinations and …”

R. Tull de Salis, J. Farssell, T. Stalfors A48-400V Ofi-Axis P2 hybrid module with minimal Impact on powertrain length -Joint development between Volvo cars and BorgWamer S. 25-26

„… Li-ion battery, DC-DC converter and cooling system. The starter, alternator and 12V battery are deleted …” „… system is packaged in the engine compartment, close to the e-machine. The P2 module fits Volvo Cars …” „… entire engine range and transmission range, without the need to move the engine and transmission apart …”

A. Weidler, H. Beitler, S. Lassi, U. Keller Clutch protection function- Clutch design one size smaller!? S. 71-72

„… today's passenger cars with an internal combustion engine and manual transmission, the single-plate dry …” „… the clutch to slip, thus preventing it from rolling back. The upshot is reduced torque transmission …” „… mechanism. The system presented here operates solely using intelligent software, without the need for any …”

F. Roos, O. Flärdh The next generation active prediction based powertrain control strategies- Utilizing the vehicle's kinetic energy as energy storage S. 107-108

„… system have been in production since 2012. The heart of the system is the map-database containing …” „… gradient information of just about all roads in Europe. The control system uses the road gradient data to …” „… strategies are then evaluated over the horizon and the most fuel-efficient one is selected. The system has …”

G. Hellenbroich, I. Steinberg, D. Freiholtz Efficient and industrialized dual clutch transmission family for powertrains up lo 350 Nm S. 7-8

„… Efficient and Industrialized Dual Clutch Transmission Family for Powertrains up to 350 Nm …” „… similar transmission architectures and including end-of-line test procedures. The transmissions use …” „… excellent overall efficiency levels on par with the ones of contemporary dry dual clutch transmissions. The …”

S. Herber PHEVplus- Efliciency-raising DHT* for plug-in hybrid applications S. 15-16

„… automotive powertrain components such as transmission systems. The name of this overall funding programme is …” „… systems (CVJ-, AWD-, eDrive Systems and Trans Axle Solutions), has worked out an advanced transmission …” „… transmission for Plug-in Hybrid Electric Vehicles (PHEV) within a holistic optimised drive train. Compared …”

M. Hein, C. Kunze, J.-K. Lee, T. Tobie, K. Stahl Customer-focused modular lest procedure for driveline#components S. 41-42

„… it is possible to validate torque transfer subsystems of various transmission systems with regard to …” „… for product validation of major manual transmission programs at GM replacing various regional test …” „… spectra for dedicated vehicles and drivers. For exemplary chosen manual transmissions, the torque …”

J. Müller. J. Liebold, C. Danzer From customer requirements lo the optimal hybrid powertrain – High-performance hybrid transmission for future plug-in hybrid drives S. 39-40

„… transmission for future plug-in hybrid drives Dr. Joerg Müller, Jens Liebold, Dr. Christoph Danzer, IAV …” „… , e-motor(s), ICE, transmission) to fulfil today’s customer requirements in a best possible way by using …” „… specialized tools like “Transmission synthesis” and “E-motor synthesis” find the right solutions which fulfil …”

N. lkeda Development of a new torque converter clutch control using Engine-CVT harmonized control S. 63-64

„… Ikeda, JATCO Ltd, Atsugi, Japan Abstract For automatic transmissions and continuously variable …” „… transmissions, torque converters provide good driving performance, especially during launch acceleration …” „… engine control have been well harmonized during launch. And Systems Engineering was used in the …”

doi.org/10.51202/9783181023136

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International Conference on Gears 2017

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W. Wang, L. Han, Q. Yan, C. Xiang, Y. Li Research on the dynamic power split characteristics and the electric power coordinated control for a hybrid transmission system S. 131-142

„… design of a novel power split hybrid transmission system[J]. Journal of Mechanical Engineering, 2009 …” „… for a hybrid transmission system Dr. Weida Wang, Dr. Lijin Han, Prof. Qingdong Yan, Prof …” „… power-split hybrid transmission system can enhance the fuel economy by adjusting the engine operating points …”

J. Champain, S. Dalle, M. Octrue Simultaneous experimental characterization of dynamic transmission error to noise and vibration behavior of a gear system under load S. 953-962

„… correlation between Transmission Error and radiated noise emitted by a gear system. The scope is also to …” „… transmission error measurement for relatively high rotation speeds requires performant measurement systems …” „… Simultaneous experimental characterization of dynamic transmission error to noise and vibration …”

M. Hein, T. Tobie, K. Stahl Test method for time-scaled fatigue tests of gear transmission systems S. 1073-1084

„… Test method for time-scaled fatigue tests of gear transmission systems Dipl.-Ing. Michael Hein …” „… . In this paper, an extensive test methodology for time-scaled fatigue tests of transmission systems …” „… transmissions - Systemlebensdauerprüfung: verkürztes testverfahren für Getriebe in Kraftfahrzeugen. VDI-Bericht …”

Y. Wang, B. Peng, G. Liu, L. Liu Design of transmission accuracy of the involute cylindrical gear-worm gear system under large temperature difference based on FE method S. 491-502

„… Design of Transmission Accuracy of the Involute Cylindrical Gear-Worm Gear System under Large …” „… thermal deformation. The main factors affecting transmission error of the gear-worm system mainly …” „… transmission of the movement. 2. The structure and working principle of the transmission system An example …”

Y. Cai, L. Yao, Z. Xie, J. Zhang, C. Peng Influence analysis of system parameters on characteristics of the nutation drive with double circular arc spiral bevel gears S. 435-446

„… transmission ratio analysis of single-stage and two-stage nutation drive systems, the system parameters …” „… transmission system have important guiding significance in the design, manufacture and application of …” „… transmissions. This paper focuses on influence of system parameters on the characteristics of a specific type …”

J. Yu, L. Yao, C. Ren, X. Yan, L. Lin Design and experimental validation on a novel tow speed transmission for electric bus S. 97-108

„… the drive system with proposed two-speed transmission, a bench test and a real driving cycle on …” „… mass [1]. However, compared to the single-speed gearbox transmission system, a two-speed gearbox …” „… transmission system with the characteristics of vehicle drivability and high VDI-Berichte Nr. 2294, 2017 97 …”

M. Shuai, M. Shuai, J. Guoguang, Z. Yidu, L. Chao, H. Haruo Research on multiple-split load sharing characteristics of 2-stage external meshing star gearing system S. 769-782

„… meshing planetary transmission system is widely used in aviation and special precision transmission field …” „… star transmission system as its reducer. Reducer is located in the engine head, installed in the …” „… intermittent lubrication of planet gear. The transmission system uses two-stage fixed-axis external meshing …”

J. Neufond, Y. Xu, J. Perret-Liaudet, E. Rigaud The iterative spectral method for computing the planetary gear dynamic response S. 209-218

„… In order to simulate and compute the stationary coupled dynamic responses of the transmission system …” „… basis computed from the mean characteristics of the system, this method is derived in the frequency …” „… planetary gears multi-degree-of-freedom modelling is built. Eigenmodes, dynamic transmission errors and …”

A. Carbonelli, J.-Y. Guerder Computing and minimizing the whining noise – Application to a bogie gearbox S. 517-526

„… static transmission error (STE) and gear mesh stiffness fluctuations are responsible of noise radiated …” „… . All that procedure is here applied to a complete gearbox bogie, with two stages of meshes. The system …” „… main source corresponds to fluctuation of the static transmission error (STE) of the gear which …”

Y. Shen, S. Rinderknecht, M. Hoppert General modelling method of power losses in transmission with parameter identification S. 905-916

„… General Modelling Method of Power Losses in Transmission with Parameter Identification M. Sc …” „… publications concerning the calculation of power losses specifically for one transmission component such as …” „… , selected and combined to obtain the resulting efficiency map of a complete gearbox system. This paper …”

Titelei/Inhaltsverzeichnis S. I-XXVII

„… Q. Yan, transmission system C. Xiang, Y. Li Page Gear Endurance – Micropitting and Tooth Flank …” „… Planetary Gear Systems – Design and Analysis S. Grützner Holistic simulation of gearboxes – system …” „… method for time-scaled fatigue tests of gear 1073 T. Tobie, transmission systems K. Stahl D. Strasser …”

T. Saito, K. Miyamoto Traction drive analysis identified with rheological friction property of traction fluid S. 1185-1190

„… Simulation Methodology of Half-toroidal IVT Variator System with Feedback Control,” Dassault Systemes …” „… with experimental data. Since half-toroidal CVT variator system was required to analyze simultaneously …” „… transmission efficiency of a half-toroidal CVT variator, and also enabled visualization of frictional force …”

P. Garambois, E. Rigaud, J. Perret-Liaudet Robust optimization of gear macro and micro-geometries in order to minimize static transmission error and gear stiffness fluctuations S. 927-938

„… Robust optimization of gear macro and micro-geometries in order to minimize static transmission …” „… minimize the Static Transmission Error (STE) and the mesh stiffness fluctuations generated by the meshing …” „… stiffness and transmission error fluctuations of each gear

B. Leupold, V. Janzen, G. Kotthoff, D. Eichholz Validation approach of PM gears for eDrive applications S. 119-130

„… manufacturing technologies are, for example, the need for system downsizing in transmissions and differentials …” „… manufacturing and system validation Knowing that the performance requirements for this type of transmission …” „… gear technology for transmission and drivetrain systems“, Proc. of 5th International CTI Symposium …”

S. T. Ping, Y. M. Shao, L. M. Wang, H. W. Li, J. Xu, Y. Cheng, J. Liu The influence of mesh misalignment on planetary gear set with time-varying mesh stiffness S. 219-230

„… planetary gear set which may lead to some initial failures and fatigue life reduction of the gear system …” „… misalignments on dynamic transmission errors (DTE) and dynamic responses are studied based on the proposed …” „… dynamic model. Keywords：mesh misalignment, planetary gear set, transmission error, dynamic factor 1 …”

C. Zhang, H. Liu, C. W. Yao, Y. Li Study of vibration for spur gears of tooth profile modification and experimental validation of modification method S. 527-538

„… parts can be damaged seriously, which leads to the failure of the transmission system [1,2]. The …” „… system[J].Mechanism and Machine Theory 105 (2016) 606–619 VDI-Berichte Nr. 2294, 2017538 …” „… system is established. Firstly, simulation analyses of dynamic model are performed for gears of …”

B. Guilbert, P. Cutuli, P. Velex Hybrid dynamic model of hollow thin-rimmed gears S. 623-634

„… design. 1. Introduction Helicopter transmissions require high-speed lightweight gears and hollow …” „… transmissions as they mostly rely on solid pinion and gear models. More recently, several attempts have been …” „… into the system as: M C K (6) with 125.0s and 62.5 10 s ( M and K being the …”

R. Weidig Adoption of polymer gears – Challenges and solutions S. 1565-1574

„… requirements in an engine system where temperatures range from -40°C to 150°C. The gears in engine systems …” „… reduction and improving system performance and functionality. In areas like window lifters, door locking …” „… aggressive engine or transmission fluids engineering polymers no longer deliver the required performance in …”

E. Rigaud, P.-H. Cornuault, B. Bazin, E. Grandais-Menant Prediction of the vibroacoustic response of an electric window-lift gear motor S. 635-648

„… rotor mechanical imbalance, the worm gear static transmission error and mesh stiffness fluctuations and …” „… transmission error STE(t) and mesh stiffness fluctuations k(t) of the worm gear The meshing between the worm …” „… and the gear wheel generates an excitation corresponding to the static transmission error (STE …”

C. Peng, C. Li, B. Chen Development of a test rig for transmission performances of precision planetary reducer S. 1127-1132

„… mechanism and sensor system. The variation in reducers loading is achieved by serial transmission mechanism …” „… Development of A Test Rig for Transmission Performances of Precision Planetary Reducer Changyan …” „… Peng, Chaoyang Li, Bingkui Chen, State key laboratory of mechanical transmission, Chongqing …”

L. Zhao, R. C. Frazer, B. A. Shaw The influence of overlap ratio on transmission error in parallel axis gears S. 939-952

„… cost of both running and manufacturing of mechanical power transmission systems because of their high …” „… Systems Ltd [9]. Transmission error was validated by measuring dynamic bearing loads at nominal operating …” „… The influence of overlap ratio on transmission error in parallel axis gears Layue Zhao …”

X. Gou, L. Zhu, C. Qi Modelling of a gear-rotor system considered tooth contact temperature and its dynamic characteristics S. 1177-1184

„… transmission system. We can see from Figure 2 that the maximum teeth flash temperature increases with the …” „… Modelling of a gear-rotor system considered tooth contact temperature and its dynamic …” „… system, a generalized nonlinear dynamic model of a gear-rotor system is established, where the factors …”

S. Stoyanov, V. Dobrev, A. Dobreva Investigating dynamic behavior of planetary gear trains through the systematic approach S. 197-208

„… simultaneously application of the systematic approach and the software system ABAQUS by the solving the problem …” „… Abstract In comparison with parallel shaft power transmission designs, planetary gear trains possess …” „… efficiency, relative high transmission ratios. The frequency analysis is especially significant for the …”

B. Kianian, C. Andersson Sustainability-conscious Powder Metallurgy gear manufacturing – An analysis of current manufacturing challenges S. 1251-1264

„… ]. The gear and transmission component manufacturing industry is an important sector as it provides one …” „… ]. The state of the art manufacturing scheme for transmission parts is by turning, milling and finishing …” „… a truck transmission notch, where a side-by-side comparison between machining and PM is performed …”

J. Fechler, M. Böhm, S. Aberle, V. Merz A contribution to the NVH behavior of plastic gears in automotive applications S. 1531-1540

„… and the surrounding system on the acoustic impression are shown. Beside a correct acoustic design of …” „… the gears and the surrounding system the mass production of plastic gears is a challenge, especially …” „… applications in the car. Seat adjusters, electric parking brakes (EPB), electric power steering system (EPS …”

L. Liu Tooth contact analysis of a new type of face gear drive S. 457-466

„… features: The geometrical transmission error is identically equal zero when it is installed correctly. It …” „… the normal coordinate system a a a a aS O X Y Z as follows VDI-Berichte Nr. 2294, 2017458 …” „… gear tooth can also be obtained. The coordinate system c c c c cS O X Y Z is introduced, which is …”

M. Takahashi, T. Itagaki, N. Maeda, H. Takahashi Evaluation of developed micro-gear endurance test system and basic study on load-carrying characteristics of micro-spur-gears S. 243-252

„… Evaluation of developed micro-gear endurance test system and basic study on load-carrying …” „… micro-gear of module 0.2 mm. Furthermore, the performance of the developed micro-gear endurance test system …” „… system to conveniently perform micro-gear endurance tests. Then, we measured the minimum applied torque …”

H. Hansson, H. Alm, A. Eng, M. Olsson Beveloid gears in planetary gear trains for increased Grundström, power density and reduced backlash Stensson, S. 579-590

„… : Model and Experiment”, 1999 Transmission and Driveline Systems Symposium, March 1-4, 1999, Detroit …” „… . Eng. ME. Hans Hansson, Henrik Alm Grundström, Swepart Transmission AB, Liatorp, Sweden; Alexander …” „… system, difference in gear tooth thickness between the planet gears and position of the planet gears …”

D. Talbot, A. Kahraman Simulation of gear wear using a dynamic load distribution model S. 5-16

„… ] Wang, J., Li, R., Peng, X., “Survey of nonlinear vibration of gear transmission systems,” Appl. Mech …” „… influence of surface wear on the resultant dynamic behavior in the form of dynamic transmission error, and …” „… contact stress. Likewise, the impact of dynamic loading at or away from system resonances on surface …”

E. Chiappetta, D. Morrey Non-standard spur gear tooth profiles for improved epicyclic gear system performance in low speed applications S. 825-834

„… transmission systems, the concept of high torque density, which means carrying more torque within the same …” „… Non-Standard spur gear tooth profiles for improved epicyclic gear system performance in low speed …” „… terms of centre distance and transmission ratio, the simultaneous influence of pressure angle and …”

M. Daffner, M. Otto, K. Stahl Elastic deformation of a hypoid gearbox – Measurements on a static test rig to validate the calculated elastic deformation behavior S. 683-694

„… Model for the Complete Transmission System. SAE transactions - Journal of Passenger Cars (2002), p …” „… the system shaft-bearing-housing. Most of the calculation programs use analytical approaches. The …” „… have been made to validate the calculated elastic deformations of the shaft-bearing-housing system …”

A. Kahraman, H. Ligata Effects of external splines on deformations of ring gears of planetary gear sets S. 341-352

„… unique challenges stemming from a number of system-level issues. One such issue is the rim deflection …” „… small truck transmission was adapted as the test planetary gear set in this study. Parameters of this …” „… out without a need for a slip ring. A measurement system that incorporates measurement and …”

G. Eitzinger Adaptive coatings on gears for NVH improvement S. 1439-1450

„… overlapping tolerances. Caused by engine acyclic rotational speed changes, gears in engine and transmission …” „… the running-in period of the system the coating wears off in the overloaded areas thereby adjusting …” „… mechanically the gear clearance. This improves the NVH behavior of the whole system. Further reduction of the …”

K. Matsuo, Y. Suzuki, K. Fujiki Accuracy analysis of workpiece and tool in the hobbing process using Taguchi Method S. 1331-1342

„… . Kouji Matsuo, Hardware System Development Department, JATCO Ltd, Kanagawa, Japan; Dr.-Ing. Yoshitomo …” „… Engineering Department, JATCO Ltd, Shizuoka, Japan Abstract Automotive transmission gears are …” „… manufacture low-noise gears at low cost for use in automotive transmissions. In order to meet this …”

C. Weber, T. Tobie, K. Stahl Investigation on the flank surface durability of gears with increased pressure angle S. 173-184

„… examined experimentally. Optimization goals were the power to weight ratio of the transmission and the …” „… hobbing tools the broad application of this toothing is due to its uniform transmission of motion. This …” „… application of special involute gears with an increased pressure angle in industrially running transmissions …”

B. Černe, D. Zorko, J. Duhovnik Semi-analytical method for the prediction of the flank temperatures of polymer gears during running S. 1611-1624

„… obtain a more thorough overview of the system’s behaviour. A transient numerical VDI-Berichte Nr. 2294 …” „… geometry parameters Parameter Symbol [unit] Value Transmission i [/] 1 Module m [mm] 1 Number of teeth …” „… defined in terms of a common coordinate system, where the x-axis overlaps with the sliding edge. Hence a …”

G. Hlebanja, S. Kulovec, D. Zorko, J. Hlebanja, J. Duhovnik Influence of the tooth flank shape on thermal load of the gear S. 1583-1592

„… Thermal load has a detrimental effect on the power transmission of a mating gear pair for all types of …” „… . Experimental results The experimental system and layout has already been described in detail e.g. in [10 …” „… ) Influence of axis distance variation on rotation transmission in S-gears : example on heavy duty gears …”

S. Jain, B. James A simulation approach to calculate gear dynamic-factors for high-speed applications S. 649-658

„… factors for high-speed gears. We also investigate the influence of system resonances, model fidelity …” „… torque and system dynamics are generally ignored. In order to predict the life of a gear, it is …” „… loads. These models only consider the torsional dynamics of the system and ignore the shaft bending and …”

E. Maier, A. Ziegltrum, T. Lohner, K. Stahl Characterization of TEHL contacts of thermoplastic gears S. 1483-1496

„… thermal and mechanical properties limit its applications to low-load motion transmissions. Research has …” „… . Thus the transmission of higher loads and speeds is enabled [2]. As failures like pitting and chipping …” „… region is classified by a system parameter ∈ 0.1,2.2 [8]. Each region features characteristic …”

S. Grützner Holistic simulation of gearboxes – system simulation S. 51-60

„… interactions with other (e.g. electrical) systems using physical models when designing the mechanical system …” „… all sorts of systems make it possible to quickly create and parameterize system simulation models …” „… Holistic Simulation of Gearboxes System Simulation Dipl.-Ing. Sebastian Grützner, ESI ITI …”

F. Yang, W. Bi Efficiency evaluation of multi-speed transmission S. 1101-1108

„… of the system. Finally, a nine-speed automatic transmission with planetary gear trains in Figure 1 …” „… Efficiency evaluation of multi-speed transmission Prof. F. Yang, Dr. W. Bi, School of mechanical …” „… multi-speed transmission is proposed. Load dependent/load independent power losses of each component and idle …”

C. Hasl, P. Oster, T. Tobie, K. Stahl Bending strength of oil-lubricated cylindrical plastic gears – Modified bending strength calculation based on VDI 2736 S. 1649-1660

„… gears enable significantly higher power transmission compared to dryrunning gears. One of the most …” „… of the stiffness divided by the mass of the system under consideration [2][3]. Because of the low …” „… , 2013. [6] Thoma, F. Lastübertragung im verformten System Lager-Welle-Zahnrad. Ph.D. thesis, FZG / TU …”

P. Tenberge, D. Kupka, T. Panéro Influential criteria on the optimization of a gearbox, with application to an automatic transmission S. 253-266

„… transmission Prof. Dr.-Ing. Peter Tenberge, M.Sc. Daniel Kupka, Dipl.-Ing. Thomas Panéro, Ruhr-University …” „… , Bochum Abstract In the design of an automatic transmission gearbox, the variation of one parameter …” „… can result in different system performances due to the strong interdependencies among all components …”

F. Concli, C. Gorla Numerical modeling of the churning power losses of gears: an innovative 3D computational tool suitable for planetary gearbox simulation S. 881-892

„… reliability of the system can benefit of a power loss reduction. Furthermore, the majority of the gearboxes …” „… results impossible to estimate the global efficiency of the system also because the load independent …” „… Transmissions—Preliminary Results, ASME J. Mech. Des., 129(1), 128–133. [8] Walter, P., & Langenbeck, K., 1982 …”

A. Mihailidis, G. Korbetis, N. Drivakos, I. Nerantzis Finite element method based analysis of planetary gear systems considering backlash and manufacturing deviations S. 75-82

„… . Nerantzis, BETA CAE Systems Abstract The load carrying capacity of gear transmissions depends …” „… system featuring helical gears with backlash and manufacturing errors is used to demonstrate the …” „… smaller than the overall dimensions of the complete system. In a previous paper [1], the influence of …”

M. Brumm, H. Müller Cyber physical gear production system – Vision of industry 4.0 gear production S. 1209-1218

„… Cyber physical gear production system Vision of Industry 4.0 Gear Production Dr. Markus Brumm …” „… these figures several times into machine controls. The main cause is the heterogeneous system …” „… . It describes a concept for a gear production system called GearEngine what is the fundament for data …”

K. Togai, N. Fujinaga A reduced order internal combustion engine model for transmission development S. 1191-1198

„… . Introduction A transmission is one of essential parts in a vehicle system to achieve best fuel economy and …” „… A reduced order internal combustion engine model for transmission development Dr. Kazuhide …” „… Abstract Internal combustion engine (ICE) torque model is required to evaluate transmission performance …”

A. K. Shojaei, P. Volgers, M. Cassata Advanced modeling and experimental techniques for fatigue life prediction of plastic gears S. 1575-1582

„… . As an example, a simple plastic gear system is considered VDI-Berichte Nr. 2294, 2017 1577 next …” „… the gear system. 4. Conclusion Due to higher energy absorption properties of polymers compared to …” „… the authors. Operational behavior of a simple plastic gear system is examined, using the developed …”

P. Kauffmann, P. Schäflein, V. Heuer PM technology for the future powertrain S. 1289-1298

„… system property and solutions for world class quality require a system oriented analysis and design of …” „… , after case hardening is necessary for high quality gears. Transfer Case Sprockets and Transmission …” „… characteristics into account. Fig. 6: Transmission Error Characteristics of PM and Wrought Gears It …”

T. Nagumo, M. Ishizuka, Y. Satou, S. Matsumura, H. Houjoh Estimation of loaded static transmission error using vibration measurement under operating conditions in a two-stage helical gear reducer S. 857-868

„… Estimation of loaded static transmission error using vibration measurement under operating …” „… transmission error (STE) waveform by vibration measurement under operating conditions was applied to a …” „… [1,2]. The loaded static transmission error (STE) is widely used for evaluating gear mesh excitation …”

B. Schlecht, T. Schulze, K. Riedel Tooth contact analysis under load on double helical-geared planetary gearboxes S. 83-96

„… high gear transmission ratios with a small need of installation space and weight, since the loads are …” „… about the whole system with a detailed load distribution along the path of contact of all tooth …” „… , from 500 up to 60.000 rpm, as well as high transmission ratios, of up to 35 for two-staged gearboxes …”

C. Brecher, C. Löpenhaus, M. Schroers, T. Frech, P. Scholzen Optimization of NVH behavior of gears by alternative gear materials S. 539-552

„… process of transmissions, one quality criterion is the resulting noise emission of the powertrain due to …” „… made from steel can be correlated to the quasi-static transmission error. According to the noise …” „… generation chain, the transmission error leads to structure-borne noise, which is transferred through the …”

J. Papies Load distribution in planetary gears considering effects of manufacturing tolerances with a statistical approach S. 783-794

„… result in the load distribution of a transmission appear to be special multilayeredly because they are …” „… the mean values is much more interesting to exploit potential power reserves in the transmission and …” „… part should be decreased, but on the other hand the power density of the transmission is to be …”

U. Kissling, M. Stangl The documentation of gearbox reliability – an upcoming demand S. 1051-1062

„… with nominal load or duty cycles. To determine the reliability of the drive system, the transmission …” „… request a system reliability proof from the gearbox manufacturers. The AGMA committee reviewing AGMA 6006 …” „… component are very handy, it lacks an easy statement about the failure probability of the full system. This …”

T. Utakapan, B. Kohn, M. Fromberger, M. Otto, K. Stahl Evaluation of gear noise behaviour with application force level S. 695-706

„… Source Dimension Quasi-static Loaded Transmission Error Calculation / Assessment Displacement Tooth …” „… Force Excitation Calculation Force Dynamic Tooth Force Calculation Force Dynamic Loaded Transmission …” „… ]. These technical measurements range from a quasi-static loaded transmission error during the design …”

H. Yakaria Gear Data Exchange (GDE) – goLive S. 1235-1246

„… data between transmission manufacturers and their tool, machine and part suppliers. In this paper …” „… Integrated Gear Quality System In the course of the digitalization in the gear production, ZF has …” „… developed a full integrated gear quality system “gear4ZF” which uses GDE as the standardized gear data …”

M. Ophey, F. Klocke, C. Löpenhaus Approach for modeling grinding worm wear S. 1365-1378

„… wear data. 2. State of the Art Tribological system of grinding The tribological system can be …” „… understood as a system with forced internal interactions between the elements of the system by an externally …” „… Tribological System [10] The stress complex consists of normal force Fn, the relative velocity v between the …”

R. Saito, Y. Suzuki, K. Matsuo The effect on tooth root breakage strength of tooth root shapes resulting from differing hobbing conditions S. 733-740

„… conditions Ryohei Saito,Dipl.-lng. Kouji Matsuo, Hardware System Development Department, JATCO Ltd …” „… reductions in vehicle transmission weight and size. Engine torque has also been increased to enhance vehicle …” „… reliability of transmission gears under more severe operating conditions than in the past. Gear durability …”

Y. Zhao Curvature interference characteristic of conical surface Enveloping Spiroid S. 835-844

„… systems of nonlinear equations iteratively [9]. During solving the preceding system of nonlinear …” „… of computing the curvature interference limit line is to solve the system of nonlinear equations. A …” „… to study the existence of the solution of a system of nonlinear equations and to solve all the …”

A. Miltenović, M. Banić, Ž. Mišković, R. Mitrović, V. Miltenović Prediction of heat generation in transmission bearings by application of FEM S. 1199-1208

„… Prediction of Heat Generation in Transmission Bearings by Application of FEM Assis. Prof …” „… transmission. Because of the rise in temperature due to heat generation, appearance of dilatation adversely …” „… generation in transmission bearings was proposed. 1. Introduction Problems relating to the …”

G. Goch, K. Ni, Y. Peng, A. Günther Paradigm change in cylindrical gear metrology using areal measurement and evaluation S. 1025-1038

„… automotive and various industrial transmission systems. They have to meet high accuracy requirements in …” „… system [3] might need one hour or more of inspection time with a tactile measurement. Moreover, complex …” „… system: a) gear sample clamped on a rotary table, b) point clouds captured by the optical sensor. 2 …”

M. Nakagawa, D. Nishida, D. Sah, T. Hirogaki Development of novel test stand for three-axis driving planetary gear train control and analysis of novel PGT for noise reduction S. 331-340

„… , assuming the PGT as a mechanical continuously variable gear ratio transmission. INTRODUCTION Although …” „… different meshing conditions such as internal meshing and external meshing. Planetary type transmission …” „… varying gear ratio transmission. In the Ztype PGT, the rotation and revolution of the planet gear are on …”

B. Kohn, T. Utakapan, M. Fromberger, M. Otto, K. Stahl Flank modifications for optimal excitation behaviour S. 1319-1330

„… compensate for the transmission error provide an alternative approach. Since these modifications just shift …” „… distribution with respect to the elastic deformations of the system and thus consist of various combinations …” „… regarding the NVH goals. The main target for a silent mesh design is a constant transmission of motion over …”

C. Andersson Grinding or shaving? – Performance based economic decision support in the manufacturing of gears S. 1353-1364

„… , S., Guerrero, F., Onieva, L. (2000) A flexible costing system for flexible manufactu-ring systems …” „… system. Manufacturing strategies often encompass a bundle of decision associated with operational …” „… , especially in the manufacturing system. There are a number of methods for cost calculations (that will be …”

X. Kai, L. Guolong A compensation method of tooth surface error in continuous generating grinding based on the virtual-axis S. 1153-1160

„… virtual-axis Xu Kai, Li Guolong, The State Key Lab of Mechanical Transmission, Chongqing University …” „… specific steps are followed: (1) Each motion axis is defined in the electronic gearbox system, including …” „… process is performed in the virtual axis system. The method proposed combines the error equivalent model …”

V. Angelopoulos, M. Hirsch PM gear rolling simulations using advanced plasticity material model and improved initial conditions S. 1277-1288

„… degrees of freedom is fixed. Fig. 6 shows the kinematics of the system. Fig. 6: Schematic of the gear …” „… Motion and Power Transmissions(MPT2017:JAMDSM) [11] KISSsoft AG, Calculation software for machine design …” „… . 377, (ed. P. Suquet), pp.70, 61–130,1997, Springer-Verlag [7] ABAQUS , Dassault Systèmes, Providence …”

T. Schöler, H. Binz, M. Bachmann Method for the pre-dimensioning of beveloid gears – Efficient design of main gearing data S. 565-578

„… marine transmissions – see Fig. 1. In addition, beveloid gears with parallel axes and opposed cone …” „… pre-dimensioning. Only with high tooth numbers as in turbo transmissions or with case-hardened gears are tooth …” „… located at mid face width. Furthermore, the transmission error is zero in an unloaded condition …”

H. J. Stadtfeld Pentac®Mono-RT high performance face milling cutter heads S. 1113-1118

„… blade system are: ► The separation of the inside and outside cutting to two different blades which …” „… system is higher than the part quality of the full profile blade system. In order to realize the …” „… cutter system to also cover a wide range of different bevel gear designs and modules, the blade seating …”

T. Jurkschat, T. Lohner, K. Stahl Improved calculation method for load-dependent gear losses S. 893-904

„… gears are frequently used for the transformation of torque and speed. Power transmission always …” „… based on a four-bearing test unit and uses a variable-speed drive and loss torque measurement system to …” „… geometrical gear parameters and flank modifications on the load-dependent gear losses systematically based on …”

K. Mao, V. Goodship, N. Madhav, R. Ramakrishnan, P. Langlois Experimental Investigations of Polymer Composite Gear Performance S. 1625-1636

„… transmission, especially within automotive engineering. This paper presents an extensive experimental …” „… ]. As a result the use of polymer composite gears in power transmission is limited due to the lack of …” „… recording wear measurements. Wear and life are recorded on a data-logging system using a dedicated …”

C. Brecher, C. Löpenhaus, J. Pollaschek Influence of surface layer properties on tooth root bending strength of cylindrical gears S. 421-432

„… electric mobility, where high ratios and low overall transmission weight are demanded. Higher-order …” „… . In conclusion, it can be stated that the system behaviour of the Inclusion-Based Weakest Link Model …” „… non-module-specific system parameters can be identified. This is for example the case depth, which, by its non-linear …”

B. Schlecht, C. Ulrich, J. Bräunig Investigations on the influence of anisotropic material properties of gear teeth on their macroscopic behavior S. 659-668

„… transmissions. The new production process for gears implies a different component behavior, which has to be …” „… under different loads. The load is applied through a spindle system with cup springs and measured by …” „… – guiding pin 5 – rigid frame 6 – shaft DMS – strain gauges Fig. 6: Sectional view of the load system of …”

M. Koop, E. Melnikov, V. Merz Design investigations and indications for acoustical optimized gear meshes using plastic gears S. 1519-1530

„… transmission of circular motion in a perfect shaped and ideal stiff gear mesh would be perfectly steady …” „… . However, in a real gear mesh the transmission is not perfectly steady [1, 5]. This is caused by changes …” „… steady transmission, because as can be seen in figure 1, the lever arm at position 1 for the plastic gear …”

P. Norgauer, W. Sigmund, D. Kadach, K. Stahl Comprehensive simulation methods for crossed helical gear sets with the main focus on the calculation of contact patterns S. 353-362

„… to check the gear stage for possible transmission errors. Furthermore, a method for calculating the …” „… tooth contact result in a complex system of equations. This system is described by the …” „… shafts as well as the elasticity of bearings and the housing. The stiffness of the gear box system is …”

A. Lohrengel, M. Heß Thrust cone bearings provide increased efficiency for helical gear units at moderate speed levels – Indications for possible energy saving potential in an expanded field of application S. 231-242

„… transmission in helical-toothed gear stages. They have proven as an efficient and reliable bearing concept for …” „… between in- and output is regarded as system losses of the gearbox and the reciprocal quotient as its …” „… efficiency. The system losses are the sum of losses caused by several gearbox elements. To evaluate the …”

B. Schlecht, F. Rudolph, S. Schumann Experimental studies and simulation of hypoid gear lapping S. 1403-1414

„… gears for appliances with high demands regarding transmission noise. However, there is a major …” „… decreasing flank crowning. Thereby, transmission errors are reduced while maintaining a favourable contact …” „… prediction of wear depth for different applications. In Archard’s theory, the tribological system consists …”

C. Gorla, E. Conrado, F. Rosa, F. Concli Austempered Ductile Iron (ADI) for gears: manufacturing, performances and tests S. 977-988

„… mounted on one of the two shafts introduces the load in the system. On the other shaft, a torque meter …” „… , controlled by an inverter, which, during tests, only needs to provide the power losses of the system. On the …” „… evaluations of helicopter transmissions, ICAF 2011 Structural Integrity: Influence of Efficiency and Green …”

D. Liang, B. Chen, R. Tan, C. Li Tooth profiles design and stress analysis of double helical gear transmissions with geometric elements constructed tooth pairs S. 411-420

„… Tooth profiles design and stress analysis of double helical gear transmissions with geometric …” „… laboratory of Mechanical Transmission, Chongqing University, Chongqing, China Abstract A study on the …” „… double helical gear transmissions with geometric elements constructed tooth pairs is carried out in this …”

C. Brecher, C. Löpenhaus, J. Brimmers Potential of free flank modifications for beveloid gears S. 553-564

„… more and more into the spotlight. The beveloid gear has been an important part of marine transmissions …” „… marine transmissions, for the application within four wheel drive vehicles and robot transmissions …” „… , 2017 553 cially for robot transmissions beveloid gears with parallel axis are used, because of its …”

J. Strüber Design of plastic micro gear teeth for mass production with high manufacturing tolerances for a medical device S. 1463-1472

„… transmission error (calculated) Figure 9 shows the calculated geometric transmission error for the …” „… ratio is less than 1. Indeed the transmission error (more accurately, the difference between maximum and …” „… minimum values, subsequently referred to as ∆ transmission error) for the narrowest and medium mesh for …”

S.-J. Tsai, L.-C. Chang, C.-H. Huang Design of cycloid planetary gear drives with tooth number difference of two – a comparative study on contact characteristics and load analysis S. 61-74

„… cycloid planetary gear reducers are important drives for power and/or precision motion transmission. The …” „… the transmission of small reduction ratios in the practice, but they are rarely used in the cases …” „… Transmission angle ith CI-I-I- )( iii )()( CCII-II-II- iii Equivalent displacement i …”

Foreword S. 1-4

„… of geared transmissions. Especially for automotive powertrains, the NVH-behavior gets more and more …” „… conference address the subject of modelling and simulating the noise behavior of geared transmissions and …” „… research and development. In modern gearbox systems, methods synthetic and low viscosity oils or reduced …”

J. J. Liou, S. Rakuff The development of worm drives S. 503-516

„… , Connecticut, U.S.A. Abstract A worm drive is a geared power transmission device in which a worm meshes …” „… lubrication in an open environment. The modern worm drive is a commonly used power transmission device to …” „… transmissions (Fig. 1). Fig. 1: Global distribution of mechanical power drives in which worm drives make …”

E. Erkilic, Z. Burcay Optimizing tooth proportions to improve topland Saribay balance in aerospace bevel gears S. 447-456

„… desired contact ellipse and transmission error to be observed. Utilizing this framework, more recent work …” „… mechanical efficiency, minimize loaded transmission error and contact stress, while maintaining the contact …” „… Transmission Error of Hypoid Gears,» Journal of Mechanical Design, vol. 132, pp. 011010/1-9, January 2010 …”

H. Schreiber, T. Röthlingshöfer Kinematic classification of a gearbox comprising separate thrusted teeth and its advantages regarding existing approaches S. 267-280

„… Gearbox Planetary gearboxes are applied when a higher transmission ratio in one stage is needed, than a …” „… realized using the tooth carrier, Fig. 1.4-1. The transmission ratio of the Galaxie® gearbox is generated …” „… . Brecher, Werkzeugmaschinen 3: Mechatronische Systeme, Vorschubantriebe, Prozessdiagnose, Berlin: Springer …”

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R. Buchberger, O. Grieshofer, K. Puchner, R. Sereinig System optimization of electric drives in terms of lightweight design, acoustics and efficiency by means of modern transmission simulation methods S. II-31-II-46

„… integrated eDrive systems, consisting of electric motor, power electronics and transmission. Based on …” „… System optimization of electric drives in terms of lightweight design, acoustics and efficiency …” „… by means of modern transmission simulation methods Dipl.-Ing. Reinhard Buchberger, Dipl.-Ing. Dr …”

F. Mühlfeld, M. Hochrein, N. Schmidt-Winkel, J. Buhl Electrified automated manual transmission (eAMT) – Synergies by combining an electric drive with an automated transmission S. I-197-I-210

„… . To automate the manual transmission, ZF adds a gearbox and clutch actuator as an add-on system to …” „… manual transmission during gearshift. VDI-Berichte Nr. 2328, 2018200 Fig. 2: eAMT System: P4 …” „… automated manual transmission in an eAMT system clearly approaches the automatic and dual-clutch …”

C. Sibla, A. Donges, F. Jauch Third Generation of ZF’s 8-speed automatic transmission – Reducing CO2 emissions in the 8HP transmission S. I-23-I-32

„… the 8HP transmission. The chart presents the energy losses in the transmission system’s main sources …” „… functional enhancements, such as in the shifting sequence or the transmission system – increases in the gear …” „… transmission up to the start of production. Analysis of the transmission system Before the 8HP transmission …”

M. Bahne, U. Frey, G. Schlager Transmission technology contribution to CO2 roadmap – a benchmark S. I-285-I-304

„… consumption of the VDI-Berichte Nr. 2328, 2018 291 transmission system as a whole has not yet been adequately …” „… Nr. 2328, 2018300 In addition, the e-drive system’s scalable power for high vehicle performance level …” „… dioxide emissions. In selecting the best possible transmission technology, manufacturers increasingly …”

A. Schmidt, H.-P. Fleischmann Enhancement of a dual clutch transmission kit – AUDI S tronic – Version for All-Wheel Drive, Increase of Torque and HV Electrification S. I-33-I-48

„… system design kit was defined at AUDI AG for a new generation of dual clutch transmissions in the …” „… with a quattro ultra all-wheel drive. 1. Dual Clutch Transmission Kit Modular component or system …” „… start of this decade, AUDI AG defined a modular dual clutch transmission system kit, used primarily in …”

G. Hellenbroich, I. Steinberg, J. Ogrzewalla Powershift capable 2-Speed Electric Drive Unit for Light – Commercial Vehicles with Short Time to Market S. I-229-I-238

„… quickly. Compared to 1-speed transmissions, this solution is superior in both performance and system …” „… components and sub-systems, including electric machine, inverter, dual clutch unit, and actuation system [1 …” „… launch torque and top speed requirements is difficult to solve with a 1-speed transmission, especially if …”

P. Maurel, N. Termenon, Philippe Kraemer, I. Sogoba Efficient hybrid clutch actuator S. I-485-I-498

„… actuation system regarding manual transmission main clutch automation and connecting clutch automation. We …” „… position the system was previously On a piloted system for a manual transmission main clutch, the residual …” „… irreversible actuation for manual transmission Designing actuation systems for the fastest performance is not …”

R. Stehr, A. Götz, M. Ciesek, S. Köpfler, M. Finsterbusch, R. Willeke Future Schaeffler CVT concepts with an innovative actuation system S. I-49-I-64

„… EPA in the transmission system, with a suitable system architecture, would even make it possible to …” „… Servo-Pump Continuously Variable Transmission Control System. SAE 2005-01- 3782, 2005 VDI-Berichte Nr …” „… actuating transmissions, from electromechanical systems for automatic transmissions to complete hydraulic …”

I. Andrasec, B. Jeitler AVL’s future hybrid X mode – A modular transmission family concept S. I-211-I-228

„… conventional six speed automatic transmission (AT) or as a 48 Volt system (48V) in principle. For the high …” „… generate two high voltage HEV or PHEV systems (HV and HV+), a 48 Volt system (48V) or a 6 speed …” „… AVL’s Future Hybrid X Mode A modular transmission family concept AVLs Future Hybrid X Mode …”

M. Roßhuber, G. Schromm, K. Kranz The new BMW automatic transmission – Challenges in development S. I-11-I-22

„… transmission system. In the context of energy efficiency of the basic transmission, the ratio spread as well …” „… The new BMW automatic transmission Challenges in development Dipl.-Ing. (FH) Martin …” „… 2. Generation fort. Eine weitere Absenkung der Betriebspunkte durch Änderungen am DU-System und der …”

M. Kneißler, R. Welter, M. Baumann Entry hybridization of manual transmission drivetrains – A review of P0/P1 structures with an automated clutch S. I-305-I-322

„… transmissions are catching up on the system level by using optimized gearshift maps with the effect that some …” „… : Recommendations for manual transmission automation 16. Considerations for a P0 48 V system with an automated …” „… fully automated 2-pedal system A summary of these systems including system overview, actuator and …”

G. van Spijk, A. Klaassen, A. van der Leest, A. Brandsma, M. Tweehuysen CVT: dedicated to hybrid solutions – Setting the benchmark on all KPI’s S. I-65-I-78

„… than 40% shorter acceleration times. Overall system cost: The system cost, including transmission …” „… transmission systems world-wide over the last decades. Currently, Bosch expects that the total CVT market …” „… : “Pushbelt CVT integration in 48V system-When fun-to-drive meets reduced CO2 footprint”, CTI Berlin 2017 …”

G. Bednarek, K. Geratz, H. Chariou The all-new 8-speed AT for the Opel Grandland X S. I-1-I-10

„… which are supported by a closed system design with dry cavity differential, transmission integrated oil …” „… VDI-Berichte Nr. 2328, 2018 1 Ausführung der Getriebe als geschlossenes System mit geschlossenem Differential …” „… launched in 2018 with new efficient 8-speed automatic transmissions in combination with one Gasoline and …”

C. Danzer, T. Voigt, T. Günther, R. Tröger From fleet requirements to optimized Dedicated Hybrid Powertrains S. I-269-I-284

„… , P0- and P2- Hybrid systems. VDI-Berichte Nr. 2328, 2018 281 4.4. Sensitivities of the fleet system …” „… turbocharging and transmission systems with four and six speeds. This platform scenario increases the fleet …” „… and in the number of possible combinations with the other components - transmission, electric motor …”

I. Morrish Getting more out of existing sensors: control algorithms to measure true torque, backlash and tooth position to achieve higher shifting comfort and safe dog clutch engagement S. III-93-III-104

„… torque signal to the transmission, due to the unknown parasitic losses of the ancilliary systems. The …” „… existing sensors within the transmission to provide extra information to aid with existing control methods …” „… transmission gives many benefits for the operation of the transmission itself, but also in terms of the …”

D. Evenschor, D, Dennin, P. Tenberge Automated design concept generation of automatic transmissions – Design concept generation based on results of transmission synthesis S. I-181-I-196

„… ). In a transmission system of more than two central shafts, the relations between all central shafts …” „… Automated design concept generation of automatic transmissions Design concept generation based …” „… on results of transmission synthesis M.Sc. David Evenschor, Dr.-Ing. Dirk Dennin, BMW Group …”

B. Arnold, B. Lecointre Shift simulator for shift feel and quality development of manual transmissions S. I-425-I-440

„… costumers’ expectations. With a digital model of the transmission a real-time force feedback system is …” „… simulated manual transmission shift system. The shift simulator is used as an advanced development tool …” „… considering also the open simulation model with a complete transmission system including the external shift …”

W. van Harselaar, M. Brouwer, T. Hofman A generic transmission model for hybrid electric drives – Integration of the dynamic behavior of all conventional-, electric-, and hybrid-transmission mode types in a single model S. I-163-I-180

„… hybrid system topology, abbreviations as defined in Table 1 To discuss transmission mode types …” „… definition of transmission mode types, three modes of the two-mode hybrid system are considered: 1) Mode M1 …” „… A Generic Transmission Model for Hybrid Electric Drives Integration of the dynamic behavior of …”

U. Reichert, F. Busch, S. Ott, K. Bause Potential of lightweight design of a vehicle transmission by usage of high strength steels S. I-369-I-384

„… restructuring of the transmission components or an overall systemic view of the entire drive system. In order …” „… potential for reducing the weight of the vehicle transmission system. The question arises how these new …” „… Potential of lightweight design of a vehicle transmission by usage of high strength steels …”

W. Guo, M. Jordan, X. Xu The application of fast and efficient clutch coordination control in a P2 hybrid automatic transmission S. I-465-I-484

„… electric oil pump. The transmission gear system is composed of three planetary gearsets (PG1-PG3), four …” „… and the line pressure regulating system for the transmission. The EOP and the MOP work parallelly in …” „… the performance of the hydraulic system and mechanical system of the transmission. In inertia phase …”

K. Bennewitz, A. Mann Powertrain electrification exemplified by the VW Golf S. II-135-II-168

„… 1.5 TSI engine in combination with a DQ200 dual-clutch transmission. Its micro-hybrid system expands …” „… transmission ratio was lengthened from 9.76:1 to 9.02:1. Regarding to system demands, the increase of maximum …” „… safety-relevant systems, such as power steering as well as the brake control system, a redundant energy supply …”

Titelei/Inhaltsverzeichnis S. I-I-I-X

„… � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 441 B. Chamberlin, BorgWarner Power Drive Systems, USA; E. Gold, BorgWarner Transmission Systems …” „… , Bonn Main topics: Automatic and dual clutch transmissions Transmission topologies as part of …” „… BMW automatic transmission – Challenges in development � � � � � � 11 M. Roßhuber, G. Schromm …”

M. Hein, T. Tobie, K. Stahl Holistic approach for fatigue life design of vehicle transmissions S. I-131-I-146

„… , K.: System service life testing: Shortened test method for vehicle transmissions …” „… method for time-scaled fatigue tests of gear transmission systems. Forschung im Ingenieurwesen 81. Heft …” „… Holistic approach for fatigue life design of vehicle transmissions Dipl.-Ing. Michael Hein …”

R. Heckmann Fully automated EOL E-drive testing – Automation and modularity for efficient testing solutions S. II-73-II-84

„… each transmission type, and has so far supplied more than 300 of these systems to transmission …” „… also hybrid transmissions and pure e-drive systems. VDI-Berichte Nr. 2328, 201874 The Challenges of …” „… open system for measurement channels, and handles standard bus systems • The software is suitable …”

A. Viehmann, R. König, S. Rinderknecht Investigation of gear shifts in a parallel-series hybrid powertrain with dog clutches in a demonstrator vehicle (two-drive-transmission with range-extender, DE-REX) S. I-323-I-346

„… Demonstrator Vehicle (Two-Drive-Transmission with Range-Extender, DE-REX) Performing mode changes using …” „… Schaltzeitreduktion und Schaltkomfortsteigerung gegeben. Abstract The „Two-Drive-Transmission with Range-Extender …” „… transmission with the drive shafts of the vehicle. Simulation based investigations have shown, that the …”

B. Reick, M. Wechs, K. Grad, M. Geimer Automated gearbox synthesis and evaluation of electric power-split transmissions S. III-37-III-44

„… Automated gearbox synthesis and evaluation of electric power-split transmissions Dipl.-Ing …” „… bereitstellen. VDI-Berichte Nr. 2328, 2018 37 Abstract Continuously variable transmissions allow the …” „… driver’s needs and the upcoming work-task. Therefore those transmissions are very popular for tractors …”

B. Chamberlin, E. Gold HEV P2 module concepts for different transmission architectures clutch and e-motor options S. I-441-I-450

„… Transmission Systems, Germany VDI-Berichte Nr. 2328, 2018 441 Figure 1: common nomenclature for HEV e-motor …” „… . This typically falls within either a high voltage or low voltage system. Low voltage systems are …” „… system and are typically limited to <25 kW of electrical power. These systems do not require the expense …”

K.-P. Fritsch Industry 4.0 in the automatic transmission production S. I-397-I-412

„… Industry 4.0 in the automatic transmission production Dipl.-Ing. (FH) K.-P. Fritsch, ZF …” „… transmissions at ZF is characterized by the highest demands in terms of employee qualification, complexity in …” „… million automatic transmissions produced, a new production record was set in 2017. Up to 10,000 automatic …”

C. Pelger, G. Jacobs, H.-D. Schneider Potentials of power-split CVTs for small mobile machines S. III-71-III-80

„… Abstract Power split transmissions represent the dominant drive technology for agricultural tractors …” „… variator element. These transmissions achieve very good efficiencies under full load while transmitting …” „… significantly. To improve the efficiency of power-split drives, the Institute for Machine Elements and System …”

M. Mileti, H. Pflaum, K. Stahl TorqueLINE cone clutch: Thermo-mechanical stability of cone clutches for ATs S. I-357-I-368

„… . Springer-Verlag (2013). [10] Gaertner, L.; Ebenhoch, M.: The ZF automatic transmission 9HP48 transmission system …” „… CO2 emissions of passenger vehicles is however impellent. Traditional automatic transmissions with …” „… torque converter own a consolidated share of the overall transmission market, especially in northern …”

M. Werra, A. Ringleb, C. Sieg, F. Küçükay Thermal behavior of 48 V hybrid systems S. I-529-II-VI

„… irreversible damage of the components. The variety of powertrain topologies combined with thermal system …” „… separate transmission loss calculation. It is possible to integrate up to nine electric machines into the …” „… gearbox, this is why hybridized transmissions can be modelled as well. Due to the backward simulation …”

D. Güth, J. Haupt, T. Gassmann Seamless-shift two-speed eAxle with torque vectoring S. I-255-I-268

„… the complete eDrive system including eMotor, inverter, transmission and hydraulic actuator …” „… , et al.: A Novel Seamless 2-Speed Transmission System for Electric Vehicles: Principles and …” „… controlled Twinster clutch system well known from GKN’s AWD systems like the Land Rover Evoque Active Drive …”

L. Dedeleit, M. Ayeb, L. Brabetz Short circuit calculation of permanent magnet synchronous machines with comsol multiphysics S. II-197-III-VII

„… Engineering Germany GmbH, Neuss f Drive-systems for tractors Modern tractor transmission concepts – an …” „… drive of electric vehicles. In order to ensure the functional safety of the drive system in case of …” „… , as in the case of a failure of the control system. In order to avoid damages in the event of a fault …”

N. Dudin, S. Ott, A. Albers, R. Misch, T. Rochlitzer Virtualizing validation processes of electrified powertrain generations S. II-47-II-72

„… system view to allow the validation of OS in closed-loop with the systems vehicle, driver and …” „… specific subsystem, namely the system vehicle that is coupled with the so-called ‘Connected Systems (CS …” „… overall system view is required as seen Fig. 2. In the context of OS development, validation entails all …”

M. Hofstetter, D. Lechleitner, M. Hirz, M. Gintzel, A. Schmidhofer Multi-objective gearbox design optimization for xEV-axle drives under consideration of package restrictions S. I-239-I-254

„… and costs are typically set on system level. This imposes that deduction of component requirements is …” „… system, the gearbox represents a linking element between the electric machine and drive shafts to the …” „… to multiple possible motor- and power electronics variants as also versatile system installation …”

C. Schmahl, W. Hildebrandt, D. Reith The impact of efficiency enhanced drivetrain components on the energy consumption of electric and conventional vehicles S. I-119-I-130

„… mechanical path of power transmission will become even more important. Introduction The development of …” „… through the system. Fig. 1: Schematic diagram of two sample vehicles with conventional and electric …” „… relationships are in turn demonstrated for the whole system! Further recommended reading: In [7] and [8 …”

Y. Endo Development of new torque converter lockup control for new generation of infiniti QX50 S. I-79-I-94

„… works in-tune with the Idle Stop system, distributing oil throughout the transmission to enable …” „… in the control valve, variator system provides more precise gear ratio control. In addition …” „… driveability and fuel economy. VDI-Berichte Nr. 2328, 201882 Moreover, an electric oil pump system …”

R. Savelsberg, P. Griefnow, G. Birmes, A. Sehr Advanced powertrain functions of 48 V hybrid vehicles – Efficient powertrains does not exclude driving pleasure S. I-499-I-516

„… significant system costs. For this reason, 48 V systems with low additional costs and relatively high …” „… , Antriebsstrangfunktionalitäten sowie den Fahrspaß zu verbessern. Das 48 V System ermöglicht hohe Rekuperationsraten, verbesserte …” „… die FEV Europe GmbH ein 48 V Mild-Hybrid-Demonstrationsfahrzeug. Das 48 V-System besteht aus einer 8 …”

T. Högnäs, G. Beldie 48 volt torque vectoring electric rear drive module (eRDM) – Excellent driving dynamics with significant CO2 savings S. I-517-I-528

„… voltage systems. System Performance Utilization of an electrical machine for the TV function offers …” „… characteristics of the TV system. Clutch based systems with a typical 10% over speeding on the clutches …” „… system simply transfers the energy to or from the battery and thus considerably improves the system’s …”

C. Ahn Churning oil path optimization process development – Application of moving particle simulation method to design process S. I-95-I-100

„… problem, comparison of grid method and MPS method has done with simple transmission churning system …” „… of system. Churning oil flow Bench test To utilize MPS method to transmission design, bench test …” „… Abstract As demand of transmission efficiency goes higher, churning oil path and loss optimization is …”

D. Engelmann, S. Herr Validierung neuer Funktionen eines mechanischen Antriebsstrangs für mobile Arbeitsmaschinen mit radindividueller Steuerung S. III-81-III-82

„… LT3 system was successfully tested in a first project at the sub-system level according to VDI 2206 …” „… . The next step is the validation as a complete system at the vehicle level. Therefore, the driving …” „… equipped with a continuously variable transmission. This enables the driver to easily adjust the vehicle …”

J.-M. Veith, B. Krüger, A. Albers, M. Behrendt Torque prediction in vehicle drive trains based on bus signals using artificial neural networks S. I-413-I-424

„… correlation between input and output. VDI-Berichte Nr. 2328, 2018414 2.2 All-wheel-drive (AWD) system AWD …” „… front and rear axle is realized. All possible system states can be explained using three characteristic …” „… used as an ANN input. This enables the detection of unexpected system behaviour. In this example, the …”

H. Neurath, L. Frerichs Holistic method to find suitable drivetrain technology and architecture – How available information can be used to reduce development complexity S. III-57-III-70

„… hydraulic drives has been put into question in various studies [2, 3]. Continuous variable transmission …” „… disciplines have to work together to develop the most suitable drive system. Uncertainties in wear mechanisms …” „… . Development method and evaluation system The first part of this chapter gives an overview of the designed …”

J.-E. Moseberg, J. Kohlhoff, S. Hekeler Electric all-wheel drive: enhancing vehicle dynamics and driving safety by wheel-individual torque distribution – How to make use of the over-actuation of electrified vehicles S. II-103-II-116

„… single-track vehicle model (cf. [4]). The latter is a system-theoretical approach inspired by [5]. For both …” „… driver. System-theoretically motivated determination of the desired lateral vehicle motion Looking at …” „… system-theoretical approach to generate a desired yaw motion is based on the second-order element 1 2 . (7) Here …”

J. van der Meer, G. Hangen, J. Uhlig The new plug-in hybrid module as an addition to the AUDI S tronic gearbox family – Design, layout and manufacture S. I-451-I-464

„… gearbox housing. The electric drive motor and clutch are operated within the automatic transmission fluid …” „… system efficiency, the focus at the AUDI AG as a premium car manufacturer is on maintaining driving …” „… single tooth winding based on the aforementioned requirements with a view to maximum system efficiency …”

M. Behzad, V. Saxena, M. Schaefer Thermal-hydrodynamic optimization of grooves in a wet clutch S. I-101-I-118

„… temperature and thereby, overall performance of clutch system. In addition to optimizing thermal behavior …” „… Transmission Fluid (ATF) (see e.g., [6] [7]). Nevertheless, such often one or two dimensional …” „… system level improvement. For example, maximizing the heat transfer for particular conditions of …”

T. Nishikawa, Tomoo Kubo The development of a low friction and low viscosity final drive oil S. I-347-I-356

„… lubricants for Engine, Transmission and Final Drive (F/D). However, as low viscosity lubricants have a …” „… and the mechanism of frictionreduction effect of MoDTC in the system investigated. Details are shown …”

C. Körtgen, G. Morandi, G. Jacobs, Achim Kramer Efficient development by means of automated calibration of tractor control units S. III-45-III-56

„… controllable tractor speed, which is widely achieved by modern power split transmissions. Optimizing the …” „… swivel angle of the hydraulic pump by the transmission control unit (TCU) of the tractor. To achieve …” „… . Christopher Körtgen, Institute for Machine Elements and Systems Engineering of RWTH Aachen University (MSE …”

doi.org/10.51202/9783181023280

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Drivetrain for Vehicles 2016

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Band 2276 2016

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J. Utz, V. Lichtenwald, G. Hirt Short Synchro (STSS) – reduced shift travel for MT’s and DCT’s – Development of a synchronizer system for future demands in transmissions S. 231-242

„… system for future demands in transmissions Dipl.-Ing. (FH) Johannes Utz, Dipl.-Ing. (FH) Viktor …” „… order to get a feeling for the system behavior in the transmission, gear 3 and 4 of a volume-produced …” „… measurements 3. Customer benefits The short system length leads to a weight reduction in the transmission …”

B. Kluge Systematic approach to generate Multi-Mode-Transmissions – Method to evaluate the potential of Multi-Mode-Transmissions S. 157-166

„… Multi-Mode-Transmissions systematically To evaluate the specific potential of Multi-Mode-Transmissions, a systematical …” „… Systematic approach to generate Multi-Mode- Transmissions Method to evaluate the potential of …” „… automatic transmissions, is necessary. With a possible systematic approach to generate …”

B. Löffler, J. Patzner, M. Drabek, K. Armbruster Modular 8-Speed Hybrid Dual Clutch Transmission With Integrated All-Wheel Distributor by ZF S. 85-100

„… transmission system was developed based on a completely new 8-speed dual clutch transmission design (8DT) for …” „… transmission ratio, the new transmission system is thus as versatile as economic. 1. Introduction At its …” „… Concept 2.1 Flexible modular system The new modular 8DT transmission system is designed for higher …”

V. Warth, B. Reick, B. Bertsche, M. Geimer Efficient analysis of complex continuously variable power split transmissions with multiple in- and outputs S. 719-730

„… and explained using a specific exemplary system. As a conclusion, the power flow and the transmission …” „… description Unlike the well-known system from figure 2.3, the extended transmission system b, refer to …” „… the PTO as an example, the code is: . (13) The transmission system might feature further energy …”

M. Maisch, M. Homm, U. Keller The Highly Efficient 9GH-TRONIC Plug-In Hybrid Transmission by Mercedes-Benz S. 339-352

„… system, the 9GH-TRONIC transmission meets the plug-in-specific requirements for all Mercedes-Benz …” „… Mercedes-Benz premium segment. Based on the 7G-TRONIC transmission, hybrid transmissions with P1 and P2 system …” „… modularity possible. The hybrid powerhead is designed as a wet system and is operated with transmission …”

S. Heller, S. Heppel The new BMW hybrid powertrain with eight speed hybrid module S. 353-368

„… vibration damping system (Figure 4). Fig 3: Transmission topology of the new 8-speed hybrid …” „… implemented for the first time in a hybrid transmission. The torsion vibration damper system offers lower …” „… system and the electric machine. Fig. 5: Explosion view of the new 8-speed hybrid transmission …”

W. Hinz, G. Bednarek The new 8-speed FWD Automatic Transmission for General Motors / A. Opel AG S. 383-396

„… challenge of two elements clutch to clutch shifts was taken on by the transmission control system which now …” „… result is a transmission with a controls system which uses only one software code for all applications …” „… -Speed Automatic Transmission with Novel Powertrain Control System, SAE Technical Paper Series …”

S. Foulard, S. Rinderknecht, R. Fietzek Paradigm Change in Transmission Design by Online Condition Prediction – Cost- Efficient and Resource-Optimized Lightweight Design based on the eLIFE and ecoLIFE3 Concepts S. 515-530

„… driver during operation. 2. Condition Prediction for Transmissions: Lifetime Monitoring System Purely …” „… software-based, the lifetime monitoring system acquires the dynamic transmission loads by sensor fusion and …” „… monitoring system As representative components for the service life status of the transmission, the …”

C. Ott, S. Eisenhuth, F. Jonas, T. Hofmann New Generation of Hydraulic Control Modules with Integrated Pressure Sensors for Transmission Control S. 243-256

„… different transmission types will be presented. 1. Current Challenges in Hydraulic Actuation System …” „… based on a series production step automatic transmission. The existing actuation system has been …” „… hydraulic module. 3. Conclusion Future requirements for hydraulic transmission actuation system will …”

J. Willert, C. Bünder Modular and Scalable Approaches in Layshaft Transmission Design S. 167-176

„… systems”. This is represented by a specifically designed hydraulic actuation system with a mechanically …” „… Modular and Scalable Approaches in Layshaft Transmission Design Dr. Ing. Jörg Willert, Dr. Ing …” „… of transmissions has a vertical as well as a horizontal dimension. On one hand, it is for example …”

Y. Takeda, M. Kawaminami, M. Tsuchida, H. Takekawa Gear Whine Noise Reduction Technology of New Model Transmission for FF-Hybrid Vehicle S. 435-450

„… ) We optimized not only the transmission but also the whole hybrid system including the power control …” „… of the new hybrid system 6-1 Low vibration level design of transmission structure We presents the …” „… Gear Whine Noise Reduction Technology of New Model Transmission for FF-Hybrid Vehicle Yasunori …”

F. Brezger, A. Moser Energy Saving Potentials by Advanced Functionalities of Clutch or Brake actuator Systems for Vehicle Drivetrains S. 137-156

„… transmission has six multi-disk clutches and a T/C L/U. The hydraulic circuit starts with a system pressure …” „… automatic transmission is supposed to maintain the system pressure all the time, thus a fast reacting for a …” „… CVT system”. 8th CTI- Symposium Automotive Transmissions, HEV and EV Drives, USA 2014 [9] Yamamoto, M …”

M. Hochrein, F. Mühlfeld, J. Buhl CBW system by ZF – maximum efficiency with maximum acceptance – Maximum efficiency with maximum acceptance S. 109-120

„… comfort functions known from automated transmissions - Component and system protection functions 2 …” „… Entwicklung des Clutch-by-Wire (CBW) Systems die Aufgabe gesetzt, ein System zur Verfügung zu stellen, das …” „… . System/concept requirements Before starting the system design the requirements have to be analyzed and evaluated …”

O. Back, A. Damm, P. Echtler Clutches with positive fit for Automatic Transmissions S. 221-230

„… circulation in the transmission and mechatronics system. The potential for on-demand provision of shifting …” „… level. The fuel savings that can be achieved with the particular transmission systems will be a key …” „… Clutches with positive fit for Automatic Transmissions Ottmar Back, Dr. Ansgar Damm, Peter …”

P. Maurel, B. Bradaï, T. Heitzmann, V. Picron, R. Randriazanamparany, D. Taccoen Entry Mated©: An automated vehicle traffic jam assist function for three pedals entry cars S. 531-542

„… developed a 3 pedals demonstrator, featuring a manual transmission with a Clutch by Wire system, to evaluate …” „… are proposed, in first place, on premium vehicles. While 2 pedal transmissions systems are accounted …” „… transmission. Whereas automation of the transmission has been constantly progressing since the middle of 20 …”

R. Kronstorfer, F. Kolb, U. Pinschmidt Audi quattro – Four wheel drive becomes more efficient S. 369-382

„… are essential: - System architecture - Transmission, all-wheel drive clutch, rear axle …” „… the new all-wheel drive system are the newly developed front-wheel drive transmission S-tronic and …” „… . Furthermore the newly developed S tronic double-clutch transmission and manual VDI-Berichte 2276, 2016 369 …”

M. Seeberger, P. Leipold, R. Schmelzer 8-speed transmission development for motorsport application S. 397-404

„… . Electronic and mechanical modifications make the transmission system extremely fast, lightweight and robust …” „… vZ30SP4Yuu7X6ntVJn4dHQp5FPdS42DTv2b407GqNB0fKIbfqmPv2kHw==_#NP# 8-speed transmission development for …” „… AG, Saarbrücken Fig 1: The new ZF-Racing transmission 8P45R Zusammenfassung Mit dem 8P45R …”

H.-W. Raedt, F. Wilke, C.-S. Ernst Lightweight Design in transmission by forging technology in passenger cars and light commercial vehicles S. 485-502

„… . Another lightweighting idea in the transmission system addresses the gear wheels, which are mostly …” „… transmission housing. The synchronization subsystem and the actuator system is not taken into account for …” „… systems where gears mesh (differential transmission, transfer boxes, etc.). Additionally, the …”

D. Kupka, P. Tenberge Automated concept design for the evaluation of favourable AT structures S. 193-206

„… . Abstract Transmission manufacturers are permanently searching for favourable AT structures due to …” „… changing requirements over time. Therefor transmission synthesis programs are already well known tools …” „… transmission synthesis now continues with algorithms, which test the structure coding for connectability by …”

K. Fronius, A. Harsch, P. Neuwirth, J. Gindele The AMG SPEEDSHIFT DCT from the Mercedes-Benz 7G-DCT Family – Performance for the Road and Race Track in the Compact Segment S. 53-68

„… between the new integrated friction systems of the locking device and the existing basic transmission …” „… to 475 Nm. The dual-clutch transmission also had to meet the new requirements for enhanced …” „… performance. The transmission's torque capacity has been further raised in the given installation space, and …”

M. Jordan, P. Tenberge Optimized Start-Stop-Control of a P2-Hybrid – Identification of critical parameters for comfort and timing S. 421-434

„… hydraulic system and the demanded transmission input torque can be freely distributed between E-motor and …” „… . Abstract Ruhr-University Bochum takes part in the transmission development for a P2-Hybrid drivetrain …” „… based on an 8-speed automatic transmission. For this purpose detailed simulation models of the …”

R. Welter, M. Kneißler, M. Hausner, D. Schulteis The Fascination of Clutch-by-Wire S. 121-136

„… systems supplier, Schaeffler can undertake all the harmonization work required for the clutch system and …” „… the bulk of the systems integration tasks. VDI-Berichte 2276, 2016 123 Fig. 2: CbW system with …” „… should and should not be used. As a result of CbW, start/stop systems for manual gearshift transmissions …”

W. Geis-Drescher Challenging flexibility in transmission production S. 297-308

„… . Prismatics/Housing Machining 5. Transmission Assembly 6. Summary / Outlook Challenging flexibility in transmission …” „… . Flexplant Rüsselsheim 3. Gear Machining 4. Prismatics/Housing Machining 5. Transmission Assembly 6. Summary …” „… / Outlook VDI-Berichte 2276, 2016298 1. OVERVIEW /FLEXIBILIZATION REQUIREMENTS Transmission production is …”

M. Spreckels, U. Christoffer Efficient synchronizer for comfort and performance – increase of manual and dual clutch transmissions S. 207-220

„… re-design of the synchronizer system incl. hub and sleeve and or the transmission is required. The weight …” „… transmissions Dr.-Ing. Marcus Spreckels, Dipl.-Wirtsch.-Ing. Ulf Christoffer, Oerlikon Friction Systems …” „… multi cone synchronizer systems by the new segmented synchronizer system with same performance and …”

D. J. Franco, L. Dalla Palma, P. Rossi, F. Panizzolo HVT high dynamics and power management strategies for wheel loader application S. 595-604

„… . Franco, Ing. L. Dalla Palma, Ing. P. Rossi, Ing. F. Panizzolo, Dana Rexroth Transmission Systems, Arco …” „… Transmission (HVT), developed by Dana Rexroth Transmission Systems S.r.l. (DRTS), is able to fully decouple …” „… emissions. Smart power split transmissions, characterized by advanced control strategies, have already …”

A. Albers, U. Reichert, S. Ott, A. Radimersky Software supported development of a Battery Electric Vehicle powertrain considering the efficiency S. 321-338

„… subsystem of the drive system. Methodology Within the transmission development for a Battery Electric …” „… introduced. Interactions of the gearbox with the residual system Depending on the transmission ratio, it …” „… ) – relating a system’s physical structure to its functionality, An Anthology of Theories and Models of …”

Preface S. 1-2

„… important meeting-point for the automotive industry regarding transmissions and driveline-technology …” „… . Vehicle manufacturers, transmissions suppliers and the whole supply-chain are presenting and discussing …” „… vehicles, • the understanding of the drivetrain system as an overall approach, • high pressure for …”

A. Kooy, D. Eireiner, T. Krause, C. Herbers, B. Vögtle Torsional Damping Systems for all relevant Powertrains – Extending current Damping Technologies S. 257-270

„… drivetrain spring-mass system. In case of the DCDCPA the excitability of the transmission is lowered because …” „… second cylinder, on the needed damper system, are not included in this paper. The damper systems …” „… torque and low engine speed for improved fuel efficiency. For manual transmissions (MT), 3- and 4 …”

D. Engelmann, W. Müller, M. Geimer Project “Line Traction 3” – Mechanical driveline with activewheel hubs S. 731-742

„… systems known from passenger cars. To use the hydraulic system in passenger cars and to give the LT3 …” „… differential lock under poor traction conditions, tensions in the transmission shafts or forced slip at the …” „… can be calculated with the track width, wheelbase, numbers of axles, and the type of steering system …”

R. König, A. Viehmann, S. Rinderknecht Development of the transmission control for a High-Speed Multi-Gear Powertrain Concept for Electric Vehicles S. 543-562

„… Development of the transmission control for a High-Speed Multi-Gear Powertrain Concept for …” „… powertrain concept for electric vehicles high-speed electric motors and multi speed transmissions have become …” „… be increased, which lowers overall mass, installation space and cost. A multi speed transmission …”

G. Jacobs, F. Straßburger, C. Pelger Power split driveswith mechanical variators for small mobile machines S. 605-614

„… Betriebsjahres amortisiert werden können. Ab stract Mechanical CVT transmissions feature a low noise level and …” „… high system efficiency. Thus, they provide a cl ear advantage co m pared to cu rrentl y used h …” „… transmissions having one or two driving m odes of f er th e opportunity to incr ease th e ratio spread of m …”

M. Kraft, W. Pflieger, S. Henzler, C. Nizzola, S. Rinderknecht Simulation-based study of drivetrain electrification to improve driving dynamics S. 177-192

„… of an electric machine. Jobst locates an electric machine between the transmission and engine (P2 …” „… ), at the transmission output (P3), and on the originally nondriven axle (P4) (see Fig. 4). 0 50 …” „… and P4 architecture two variants of e-drive transmissions are considered: one-speed and two-speed …”

A. Pigeard, T. van Dongen, L. Römers, S. Strauss Start/Stop Coasting and CVT – An effective, customer perceivable and attractive fuelsaving combination S. 805-816

„… combination A. Pigeard, T. van Dongen, L. Römers, Bosch Transmission Technology BV, Tilburg, The Netherlands …” „… with SSC: Limited changes in state-of-art CVTs for up-to 100 Euros of additional transmission costs …” „… : General: - Boundaries for Start-Stop-Coasting depends on vehicle, engine, transmission, and calibration …”

G. Miller, W. Rebholz, R. Morrison Introduction of cPower for Skidders S. 589-594

„… System Integration Testing Early Transmission Testing Early End Customer Intro. Production Maturity …” „… Early Integration Testing Testing of latest System Face to Face Meetings Weekly Telephone Conf. C yan M agenta Y ellow B …”

D. Jünemann, M. Eghtessad Evaluation of Electric Working Drives in Agricultural Machines S. 617-626

„… verwenden. Die Ergebnisse werden für den Aufbau exe m pl arisc h er System strukturen von l andtech nisch …” „… ydraul ic system provide th e m otivation f or anal yzi ng th e potential s of el ect ric drive tech …” „… nol ogy. In an initial step, th e various drive system s are anal yze d in q ual itative term s w ith …”

A. Albers, K. Bause, S. Ott, S. Reichert, M. Behrendt, U. Reichert applications Tribosystemic view of CVT in drive systems – Getting tribological mechanisms in CVT under control S. 905-918

„… comple friction mechanisms in conte t of overall system behaviour. In this way, robust friction systems …” „… presented work enable the analyses of tribological system at component level under systemic re uirements …” „… in conte t of overall system and interactions with the other systems is necessary. Previous works …”

R. Hiraku Technologies need to have more Flexibility S. 757-766

„… various requirements, is needed even for technologies. An electric motor-based drive system is assumed to …” „… be the powertrain system with the greatest flexibility. Apart from electric devices, CVT is a …” „… potential to adapt to various needs. The latest CVT could achieve the top level transmission efficiency …”

P. Gwinner, M. Otto, K. Stahl Torque-Vectoring Transmission with Reinforced Plastic Housing for an Electric Subcompact Vehicle – Measures to Integrate a Plastic Housing into an E-Drive Transmission S. 503-514

„… Torque-Vectoring Transmission with Reinforced Plastic Housing for an Electric Subcompact Vehicle …” „… Measures to Integrate a Plastic Housing into an E-Drive Transmission Dipl.-Ing. Philipp Gwinner …” „… . Based on the existing transmission topology of the Visio.M electric vehicle, a new axle gear design is …”

R. Nasdal, U. Bernhardt Cascaded gears: Possible Applications and Experiences S. 101-108

„… system An 8speed transmission in a range of 62kg for main stream engines is achievable. The weight of …” „… . Udo Bernhardt, GETRAG Ford Transmissions GmbH, Köln Abstract The nature of layshaft …” „… transmissions is usually, that each ratio that is provided consists of a pair of gears to create this ratio …”

A. Lampe, U. Mettin, R. Serway Clutch control of stepped automatic transmissions by using a virtual DCT-structure – Power shifts made easy with generic control software S. 405-420

„… Clutch control of stepped automatic transmissions by using a virtual DCT-structure Power …” „… transmission (AT) structure by using a power shift control scheme of a dual clutch transmission (DCT). The …” „… on an analytical investigation of both transmission structures all functional requirements of the …”

S. Fujimoto, N. Shiomura, K. Sato, Y. Kawahara The Trend and Future of Torque Converter for CVT S. 869-878

„… typical step automatic transmission (AT) and for typical continuously variable transmission (CVT), we see …” „… there are several differences of design due to the differences of requirements for each transmission …” „… application of high tensile steel, aluminum and CFRP. For the transmission, while the expansion of …”

M. Graf, M. Brenninger, R. Heindl CVDT – Advanced Hydrostatic Power-Split Drivetrain – The Next Level in Tractor Transmission Technology S. 587-588

„… CVDT – Advanced Hydrostatic Power-Split Drivetrain The Next Level in Tractor Transmission …” „… various transmission technology levels. With the CVDT, a further level on top of the existing technology …” „… fourwheel drive system with torque distribution between front axle and rear axle and thereby can help to …”

F. Pflüger Virtual calibration of conventional & hybrid drivetrain strategy – Transfer drive strategy calibration from vehicle in a virtual environment S. 563-576

„… frontloading approach in the virtual calibration of vehicles with automated transmissions will be presented …” „… drivability in terms of shift strategy of vehicles with automatic transmissions objectively. The first step …” „… to find a solution was to collect all the driver expectations to the powertrain system focused on …”

A. Albers, S. Ott, N. Bursac, S. Rapp Product Generation Engineering – efficient and effective to innovative drivetrain solutions S. 17-32

„… Wintergerst, E. “The Contact and Channel Approach (C&C²-A): Relating a system’s physical structure to its …” „… system with torsional damper. Fig. 3: Description of a powertrain with function "transmitting …” „… embodiment. Connectors allow embedding of the considered system into its environment. They are linked with …”

T. M. Wolf Optimizing the gearbox efficiency rate by rolling bearings – Six speed manual transmission for front wheel drive cars S. 281-296

„… Optimizing the gearbox efficiency rate by rolling bearings Six speed manual transmission for …” „… bearing industry can today provide solutions. Taking as an example a six-speed manual transmission of a …” „… inside the transmission as part of the power train will contribute to this target. And finally even the …”

J.-N. Mach, G. Poll Influence of surface structures on the operational behavior of continuously variable transmissions S. 919-920

„… Influence of surface structures on the operational behavior of continuously variable transmissions …” „… Continuously variable transmissions allow for operating combustion engines and eventually also electric …” „… by gear shifting. A disadvantage in comparison with mechanical transmissions based on interlocking …”

doi.org/10.51202/9783181022764

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DRITEV – Drivetrain for Vehicles 2021

VDI-Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2381 2021

Treffer in den folgenden Teilen:

R. Kockisch, J. Müller, Erik Schneider Modular transmission systems for future BEV platform applications S. 11-22

„… transmission platform itself (Fig. 6) is characterized by a 1-speed system and different 2-speed systems …” „… the demand without changing the basics transmission system. Further, the different coupling …” „… can be combined with every transmission system and uses almost the identical layout and components in …”

A. R. Lowis, R. Smith hofer H8-DCT-850 – High Performance Dual Clutch Transmission for transaxle application S. 179-190

„… , and a mechatronic system, as well as various ancillary sub-systems to support automated transmission …” „… the powertrain, in-particular the transmission. Dual Clutch Transmission systems in the market all …” „… hofer H8-DCT-850 – High Performance Dual Clutch Transmission for transaxle application …”

C. Schmidt, H. Dhejne, J. Karlsson High Efficient 2 speed e-Axle – Highly efficient and shiftable under load S. 145-158

„… complexity of the transmission system on an affordable level [1]. 2.2.1 Performance and Efficiency As …” „… be the choice. 2.2.5 Transmission Controller Dedicated e-axle system with dry clutch, drum …” „… adopted to fit to the customers e-drive system. The transmission controller is integrated in the motor …”

L. de Ruijsscher TREMEC Hybrid Dual Clutch Transmission (HDCT) – Electrification of TREMEC’s high performance dual clutch transmission S. 159-178

„… manufacturing to full transmission system assembly and electronic control unit development including SW …” „… system is placed at the rear side of the transmission, the electric motor is mounted on the back. In …” „… transmission, resulting in 1100Nm wheel torque. Both P2.5 and P3 system allow boosting up to max vehicle speed …”

T. Hillesheim Energy-efficient Hydraulic Control for the Multi-speed Transmission of an Electric Vehicle S. 319-328

„… singlespeed transmission [5] 3 Comparism of two hydraulic shifting systems 3.1 Choosing a system Once a …” „… Energy-efficient Hydraulic Control for the Multi-speed Transmission of an Electric Vehicle …” „… therefore increasingly developing concepts that feature a shiftable transmission – usually with two gear …”

A. Fröhlcke, M. Felbermaier, A. Britten, P. Fietkau Finite element approach for analyzing noise and vibration in electric drives S. 47-60

„… achieve the most realistic analysis possible of the interactions in the motor/transmission system. The …” „… drives during a speed run-up on the test stand The observed frequencies are well below the system’s …” „… to small changes in the system’s load based elastic deformation during a revolution of the rotor and …”

F. Bayer, J. Tochtermann Development of a Heavy-Duty E-Axle S. 621-636

„… Rotor and Transmission Input Shaft When designing an e-axle, one focus has to be on the bearing system …” „… bearing system by using available standard bearings. The support of the transmission input shaft is …” „… capacity was available. Fig. 9: Bearing system for rotor shaft and transmission input shaft …”

A. Nees Flexible Electro-hydraulic Actuation System for Multi-speed Electrified Drivetrains – Requirements and Concept S. 275-290

„… OEM, a potential transmission system with two or more speeds must be efficient itself and fulfil …” „… actuation system based on these different transmission architectures and types of shift elements that need …” „… used by the electro-hydraulic system. Hydraulic transmission control modules usually have to supply …”

Titelei/Inhaltsverzeichnis S. I-XVI

„… , Lannach, Austria Modular transmission systems for future BEV platform applications …” „… � � � � � � � � � � � � � � � � � � 11 R. Kockisch, J. Müller, Erik Schneider, IAV GmbH Analysis of propulsion system architectures …” „… Mechanical Engineering (IMS), Technical University of Darmstadt Frontloading for (Hybrid-) Transmission …”

N. Mueller Electrification of heavy commercial vehicles from the perspective of a bodybuilder S. 555-560

„… engagement system consisting of a multi-plate clutch. In automatic transmissions, the system is driven by …” „… transmissions. Likewise, the system depends on the power requirement as well as on the different power stages …” „… drum of the truck mixer, a direct connection between the transmission and the ePTO system is provided …”

E. Schneider, C. Danzer, E. Schreiterer Modular and highly functional Hybrid Platform for subcompact cars up to full-size SUV S. 191-206

„… transmission system. VDI-Berichte Nr. 2381, 2021 201 Fig. 7: Gear Actuation Definition with IAV Actuation …” „… maximum combined system power of 170 kW the transmission has a competitive length of 384 mm. Fig. 10 …” „… the end user requirement through to the system release recommendation. The systematic process (Fig …”

M. Häßler, O. Werner The Pendulum Rocker Damper – Providing flexible damper characteristics for hybrid powertrains S. 329-346

„… time overcomes this limitation. The transmission ratios of roller equipped cam mechanisms give the …” „… damper system in the environment of the drivetrain is indispensable in defining the mechanical …” „… the damper and the transmission elements from high torque peaks. Here, a bumper stage integrated into …”

G. Brudeli, B. Vestgård, S. Bjørkgård, L. Bjørkhaug Sustainable drivetrain architecture for hybrid and electric trucks S. 567-580

„… environmental targets. 2 The BGM hybrid system The BGM system can be used with most stepped transmission …” „… including powershift. The technology is targeting Heavy Duty (HD) truck Automated Manual Transmissions (AMT …” „… technologies, both planetary gear and standard AMT. Figure 1 shows an example of the system interfacing an AMT …”

J. De Landtsheere TREMEC HYbrid DRive Axle – HYDRA – Hybridization enables RWD dynamics in a FWD car S. 125-144

„… design and manufacturing to full transmission system assembly and electronic control unit development …” „… performance full-system provider for dual clutch transmissions, TREMEC is transitioning along with the entire …” „… transmission is not always possible or favourable. Some vehicles benefit more from a hybridized axle …”

P. Barve Gear Design Challenges of 2-speed-AMT High Torque E-Drives S. 499-516

„… the teeth and the subsequent vibrations through the system [1]. Peak-to-peak Transmission Error (PPTE …” „… electric vehicle. Thus, more stringent NVH design targets were set. This paper presents a system-level …” „… requirements. The system-level approach to consider the impact of design decisions on the NVH and durability …”

K. Hirano E-Axle with multi driving modes for BEV & Mild HEV P4 – The 3 in 1 e-Axle for EV requiring a wide range of driving force S. 229-240

„… with low power consumption is needed. The P0P4 system is also expected to improve the environmental …” „… situations. In recent years, single motor eAxles equipped with two-speed transmission for achieving low …” „… continuously variable transmissions [1, 2, 3]. However, in a vehicle such as a delivery truck in which the …”

J. Nowack, G. Hellenbroich, A. Ghosh, V. Shapovalov, R. Fleuren Park by Wire System for current Electric Drive Units S. 291-302

„… torque over contact stress 5 FEV Transmission Software Architecture For actuation of park lock system …” „… systems are safety critical units. Due to intellectual property rights and different transmission …” „… and diagnostic concept for park-by-wire park lock systems, exemplarily for this system, will be …”

F. Langhammer, A. Kappes, A. Viehmann, S. Rinderknecht Novel “Two-Drive-Transmission for Long-Range” Powertrain: Ecology and Efficiency meet Driving Comfort S. 207-228

„… Novel “Two-Drive-Transmission for Long-Range” Powertrain: Ecology and Efficiency meet Driving …” „… dem DE-REX-Antrieb auf das neuartige Antriebsstrangkonzept "Two-Drive-Transmission for Long Range …” „… knowledge gained from the DE-REX powertrain will be applied to the new "Two-Drive-Transmission for Long …”

X. Zhang, F. Küçükay Driveability optimization of electrified powertrains utilizing machine learning based control and the interaction with ADAS/AD systems S. 361-376

„… elektrifizierter Antriebsstränge, wie z. B. Add-on, DHT (Dedicated Hybrid Transmission) und andere Hybridlösungen …” „… , wird versucht, die Antriebsstrangsteuerung mit ADAS/AD System zu verknüpfen. Wobei die vom ADAS/AD …” „… System bereitgestellten Informationen, wie Fahrzeugabstand, Soll-Beschleunigung etc., als VDI-Berichte …”

G. Gao, D. Schöneberger, S. Rinderknecht Development of an innovative and modular test bench to analyse gear shifts in electrified powertrains S. 415-436

„… Transmission: How a systemic approach accelerates engineering process from concept development to real …” „… requirements and challenges for dog clutches, shift actuators, and powertrain- or transmission control. For …” „… also be examined in detail. A real-time system enables the central control and evaluation of all test …”

B. Krüger, G. Filomeno, D. Dennin, P. Tenberge Holistic Design of All-Wheel Drive Electric Powertrains Using a Multi-Objective Optimization Algorithm S. 377-394

„… transmission ratios are optimized simultaneously aiming at maximum range, maximum performance and minimal …” „… relative length. In case of the transmission, the speed ratio is optimized and the application of a …” „… parameter and the fitness of the system. Based on that, target-orientated powertrain designs can be derived …”

Z. Caba, M. Zafer, C. Harman, G. Hellenbroich, Ö. Eyigöz Multi-speed e-axle for electrified heavy commercial vehicles S. 609-620

„… E-motors 3-Speed Transmission Electrical shifting system Active lubrication system Fig. 7 …” „… an electro-mechanical, shift-drum-based actuation system and an active lubrication system with an …” „… system driven by e-motor instead of pneumatics o Commonality with existing mechanical axle Packaging …”

A. Albers, M. Behrendt, J. Köber, T. Breitinger Development of a method for the automated validation of the shift quality of modern dual clutch transmissions on full-vehicle test benches S. 399-414

„… abort gearshifts) [1]. The transmission control system must react adequately to this change and adapt …” „… . Essential masses of the oscillating system are the body, the aggregates (engine and transmission) and the …” „… transmissions on full-vehicle test benches Univ.-Prof. Dr.-Ing. Dr. h. c. A. Albers, Dr.-Ing. M. Behrendt …”

D. Morgenweck, M. Großmann, W. Fakler, M. Lamke, F. Bitzer ZF E-Mobility Software Functions for Commercial Vehicles S. 703-718

„… , "Prevision GPS — The Anticipatory Gearshift Strategy for the Traxon Transmission System," ATZ worldwide, no …” „… , transmissions, cooling systems, shifting actuator and, power electronics. Wherever possible, synergy effects …” „… cooling is used. It is a matter of the cooling system’s layout how much the different circuits can …”

S. Dussinger, T. Wiedemann, B. Harter, B. Wiedenmann Simulation of induced axial forces on planet gear bearings at example of ZF’s 8-speed automatic transmission S. 469-486

„… transmission S. Dussinger, T. Wiedemann, Engineering System International GmbH, Neu-Isenburg; Dr. B …” „… components must be continuously minimized. Focusing on a ZF 8-speed automatic transmission, axial forces on …” „… initiative to reduce the computation time by connecting the FE solver to system simulation is explained and …”

M. Hein, J. Pellkofer, K. Michaelis, T. Tobie, K. Stahl, D. Kadach Test method A/16,6/90 with injection lubrication for discriminating different lubricants for dual-clutch transmissions S. 437-452

„… dual-clutch transmissions Dr.-Ing. Michael Hein, HOERBIGER Antriebstechnik Holding GmbH, Schongau …” „… clutch transmissions must meet different requirements regarding the frictional behavior for different …” „… to only a limited extent for differentiating typical lubricants for dual clutch transmissions. Gear …”

R. Resch, C. Danzer, A. Poppitz, T. Pirkl Alternative drivetrains for sustainable commercial vehicles S. 669-684

„… this method is rooted in the systematical cross-combination of all theoretically possible system …” „… energy from sustainable sources. In addition, the truck should be equipped with an electric drive system …” „… of an electric drive system it is either necessary to integrate a significantly large battery pack …”

J. Shutty, A. Moser, D. Gajowski Analysis of propulsion system architectures across vehicle segments and markets S. 23-34

„… of interactions between major sub-systems Evolution of the propulsion system from internal …” „… Analysis of propulsion system architectures across vehicle segments and markets John Shutty …” „… , power electronics (Si, SiC), transmissions (single speed, multi-speed) and other major subsystems …”

A. Ramsauer, A. Pujari Frontloading for (Hybrid-) Transmission Integration at BMW S. 101-116

„… Frontloading for (Hybrid-) Transmission Integration at BMW Andreas Ramsauer, AVL List GmbH …” „… acceleration. Although the number of patterns being limited by the system layout, shifting characteristics of …” „… similar transmissions can still be clearly felt in different ways. By means of feature extraction, the …”

T. Kaufhold, F. Schneider, O. Groneberg, A. Moser Modular Starting and Damping System integrated in 48V Hybrid Architectures – Efficient Starting System for Hybrid Vehicle Architectures S. 347-360

„… idle and a good cold start performance. The system is located between the ICE and the transmission …” „… system-related losses depending on engine speed, which ends up in a lowered overall system efficiency. This …” „… Modular Starting and Damping System integrated in 48V Hybrid Architectures Efficient Starting …”

A. Bagh, D. Magnor, J. Kneiber, F. Löhe eTransport – Application of axle-integrated e-drive in urban LCV and MD trucks S. 637-652

„… drive system solution including the application for different types of vehicles. At an early stage BPW …” „… emission-free vehicles as well as to collect user experience and test kilometres. The drive system is …” „… . 1, the company group is a preferred system partner of the commercial vehicle industry around the …”

T. Skubacz, C. Burkhardt, S. Krischke Shift Elements for Electric and Hybrid Drivetrains – Shift elements with low drag losses, high actuation energy efficiency and integrated overload protection S. 487-498

„… als auch im offenen Zustand keine Aktuierungskraft. Bei Überlast nimmt das System einen …” „… ") and require no actuation force in both closed and open state. In the event of an overload, the system …” „… system internal force application mechanisms: The first solution is based on a special bistable …”

D. Lechleitner, M. Hofstetter, M. Hirz, C. Gsenger, K. Huber Parking Lock Integration for Electric Axle Drives by Multi-Objective Design Optimization S. 303-318

„… considerations, electric axle drives (e-drives) are often equipped with a parking lock system, which prevents …” „… design phase to prevent failure of the system. That way, the designs of shafts, gear wheels and bearings …” „… system can thus lead to undesirably high costs and reduced energy efficiency of the entire e-drive – all …”

S. Kaimer Power to the Wheels – Challenges and Benefits of Electrified AWD for EVs and Hybrid vehicles S. 117-124

„… systems require a lot of system integration know-how to exploit expected state-of-the-art drivability …” „… developed a modular system of ‘building blocks’ that allows variants to be based on common standard …” „… 1987, Mercedes-Benz launched the W124, with the 4Matic all-wheel drive system developed by Magna Steyr …”

M. Giannantonio, S. Henzler, S. Rinderknecht Advanced Design of Dedicated Hybrid Drivetrains S. 77-100

„… ntroduction and motivation The variety of new transmission and drivetrain topologies as well as new …” „… up and analysis (e.g. collisions, mass) within the C AD system. The final step (V) is to evaluate …” „… impact on the total axial transmission length – compare axial shifting value Δa C SP1 in Fig. 5 b with …”

G. Herbillon Performances Validation of an electrically-commanded dog clutch system for multi-speed and disconnectable eDrives S. 255-274

„… P erformances V alidation of an electrically- commanded dog clutch system for multi- speed and …” „… : VCST eDrives AMT-concepts including a dog clutch technology ABSTRACT The future transmissions for …” „… electrically-commanded dog clutch that can be used for the “NextGen” eDrives either as SHIFTING system (for multi-speed …”

R. R. Kasibhatla, P. Neidhardt, K. Caliskan Thermal Simulation according to Maturity Level in E-Drive Development S. 61-76

„… thermischen Simulationsergebnisse. Zudem erfordern die verschiedenen System- und Kühlungskonzepte …” „… effizienten Unterstützung des Entwicklungsprozesses notwendig. 2. Abstract Effective cooling system is …” „… essential for e-drives to meet performance and installation requirements. The coiling system effects not …”

K. Seno Prediction for the service lives of drive-train units by model-based development with the measured operational conditions S. 561-566

„… several operational conditions. Reliability evaluation of transmission gears Calculation of a …” „… reliability target in the early stage of the development allows to accurately design transmission gears …” „… transmission gears. Firstly, the operational torque data are measured with actual vehicles on the site where …”

S. Idler, C. Bünder Scaling the functionality of a DCT-based DHD to segmentspecific requirements – The new high torque DHD Plus S. 241-254

„… clutch transmission (DCT) building set. It has five mechanical gears with up to 400 Nm internal …” „… Starting with conventional powertrains with a dual clutch transmission (DCT) like the 7DCT300/400 in the …” „… front, the approach goes over to 48V mild hybrid solutions like the hybrid dual clutch transmissions …”

F. Müller-Deile Advanced design of electric machines for trailers with electric axles S. 653-668

„… operation strategy for eDrive System Dr. Felix Müller-Deile, ZF Commercial Vehicle Control Systems …” „… embedding the control of the e-Drive system in the combined control systems of truck and trailer. The …” „… conventional drive and additional ADAS (Advanced Driver Assistance System) and stability control systems such …”

doi.org/10.51202/9783181023815

Teilzugriff

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International Conference on Gears 2023

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2422 2023

Treffer in den folgenden Teilen:

M. Vivet, A. Rezayat, J. Verhoogen, K. Kucukcoskun, S. Donders Numerical analysis of bevel gear transmission acoustic emission using a 3D gear contact force model within a multibody system dynamics simulation environment S. 689-702

„… system-simulation and analysis. For the dynamic system-level simulations a flexible multibody model of a gearbox …” „… microgeometry, gear alignment errors and system-induced deformation. The gear meshing orders are computed in …” „… create representative digital twin models of their transmission systems [2, 3, 4]. Numerical methods to …”

J. Langhart, S. Ebrahimi, T. Kelichhaus A comparison of time and frequency domain approaches for NVH S. 583-598

„… the transmission, the displacements of the system elements in the rotational and translational …” „… meshing gear wheels in multibody systems. Multibody System Dynamics 16, 55–71, 2006 VDI-Berichte Nr. 2422 …” „… transmissions are meanwhile state of the art and are requested for many applications. For the analysis of …”

H. Jia, D. Qin, G. Hu, X. Xu, W. Bai Electromechanical Coupling Modeling and Torsional Vibration Analysis of Helicopter Electric Propulsion System S. 675-688

„… in the design of helicopter transmission system.Boeing and Sikorsky discovered torsional problems in …” „… of Shaft Torsional Stiffness on Dynamic Response of Four-Stage Main Transmission System[J …” „… . Modeling Techniques for Dynamic Analysis of a Helicopter Transmission System[C]//ASME 2009 International …”

S. Sepp, A. Wenig, M. Otto, K. Stahl Acoustical behavior of periodic flank modifications under dynamic operating conditions S. 341-356

„… behavior of transmission systems is the discreti-zation of the system as a multi-body structure. The …” „… as the load grows because higher loads increase the stiffness in the transmission system. This …” „… design characteristics in modern transmissions. The most efficient way to achieve beneficial noise …”

J. Zheng, D. Qin, C. Liu A Novel Dynamic Modeling Method of High-Speed Thin-Rimmed Gear Transmission S. 1279-1286

„… systemGear body deformationBearing stiffness and dampingThe reduced-order FEM ofgear transmissionGear body …” „… increases, which raises a series of dynamic problems for transmission system. In recent years, a series of …” „… momentsTransformation from the moving to static coordinate systemTransformation from the static to moving coordinate …”

C. Dongu Im, W.-J. Chung, J.-H. Park, D.-J. Moon, Pfor. Y.-J. Park The effect of working surface deviation on transmission error in helical gears S. 1125-1134

„… . Abstract Transmission error (TE) of the gear system describes the difference between the perfect kinematic …” „… was also considered in the simulation model. 1. Introduction Transmission error of the gear system …” „… The effect of working surface deviation on transmission error in helical gears Ph. D. Candidate …”

L. Bonaiti, M. Brambilla, P. Chiariotti, A. Cigada, C. Gorla, G. Boni, P. Codeluppi The effect of pinion axial positioning on noise and transmission error of face hobbed and face milled bevel gears S. 839-852

„… of the two pinion and its cartridge and the gearbox Transmission error and noise acquisition system …” „… The effect of pinion axial positioning on noise and transmission error of face hobbed and face …” „… factors. One of them is the so-called Transmission Error (TE), which generates a dynamic excitation from …”

J. Sanchez-Espiga, A. Diez-Ibarbia, M. Iglesias, A. Fernandez-del-Rincon, F. Viadero, J. Calvo-Irisarri, A. Fernandez-Sison Statistical study of the mesh load factor of planetary gear transmissions affected by inherent manufacturing errors S. 139-156

„… Statistical study of the mesh load factor of planetary gear transmissions affected by inherent …” „… gear transmissions performance represented by the mesh load factor (K ) affected by inherent …” „… number of cases of study in order to assess the probability of producing a planetary gear transmission in …”

C. Westphal, J. Brimmers, C. Brecher Influence of Axis Misalignments in Stepped Planetary Gear Stages on the Excitation Behavior – Test Rig Development and Simulative Analysis S. 175-190

„… manufacturing quality. In power-split transmission systems such as stepped planetary gearboxes, kinematic …” „… in the dynamic multi-body simulation software DASSAULT SYSTÈMES SIMPACK 2022X [10]. The system …” „… displacement behavior the transmission error and the displacements of different components can be measured. The …”

S. Ebrahimi, U. Kissling, C. S. Matkovič Evaluation of the NVH Characteristics of Gear Drives with Plastic Gears by the Forced Response Analysis S. 1403-1418

„… amplitudes of the forces is relied on this fact that the NVH characteristics of a gear transmission system is …” „… transmission system due to the higher values of the gear meshing damping as well as the structural damping …” „… damping on the dynamic response and noise emission of a two-stage gearbox transmission system. For this …”

M. Reichl, P. Lenz, A. Oliva Challenges and possibilities of virtual development of e-axle transmissions S. 485-498

„… the oil flow within the transmission system.Virtualization and simulative predictions are therefore …” „… on the transmission and the related cooling and lubrication system. In addition, cost pressure is …” „… essential during the development process to get a deep understanding of the lubrication system.In this paper …”

Titelei/Inhaltsverzeichnis S. I-XXVIII

„… Power Transmission Research Laboratory, Departmentof Mechanical and Aerospace Engineering, The Ohio …” „… factor of planetary gear transmissions affected by inherent manufacturing errors 139J. Sanchez-Espiga, A …” „… | 15:31:04 | 148 mm x 210 mm Planetary gears: Load distributionParametric system simulation of load sharing …”

A. I. Aydeniz Modelling and Analysis of the Effect of Root Modification on Load Sharing and Stress Values on Spur Gears S. 1039-1062

„… system’s elements should be written and solved. From Figure 9 four equations may be written for the …” „… rotational and lateral displacements of system’s elements as; VDI-Berichte Nr. 2422, 2023 1049Fig. 9 …” „… motions in time domain and dynamic response of the system for steady-state or transient cases …”

O. Harris, C. Poyser, R. Patel, O. Shires Developing CAE solutions for Robotics gears: Cycloidal and Strain Wave Gear Drives S. 1111-1124

„… industries including Automotive and Wind. These system driveline tools provide quicker more focussed …” „… with a system model of the disc, supporting shafts and bearings. A comparison of load distribution and …” „… included in a model of a full drivetrain system to create an RV drive: a two-stage reduction mechanism …”

C. Kirchhoff, P. Tenberge Optimization of the vibrational behavior of ZI crossed helical gears with a plastic wheel and a steel worm S. 1419-1434

„… such secondary drives because they allow a high transmission ratio in a compactly built gearbox stage …” „… extent, so that a transmission error also occurs periodically, which induces vibrations in the gearbox …” „… transmission behavior and the tooth stiffness of crossed-helical gears fully automatically with steel worm and …”

S. Chen, C. Liu, D. Qin Forward Performance-driven Design of Gear Parameters S. 211-226

„… components of the transmission system, and its performance determines the efficiency and reliability of the …” „… transmission system. Designing gears is to obtain gear parameters by kinds of methods. To get a set of gear …” „… research on this topic. Miler et al. [1] took the goal of reducing gear volume and improving transmission …”

F. Concli, M. N. Mastrone Latest advancements in the lubrication simulations of geared systems: a technology ready for industrial applications S. 499-518

„… for the analysis of systems involving fluid flows, including geared transmissions. The main reason why …” „… simulations of complex system’s architectures, International Journal of Mechanical and Materials Engineering …” „… temperatures. A decrease of the power losses allows also a downsize and a reduction of the weight of the system …”

A. Beinstingel, F. Haringer, W. Sigmund, M. Heider, B. Pinnekamp, S. Marburg Investigation of Sound and Vibration Behavior of Cylindrical Gears S. 599-618

„… strategy to meet the requirements of a modern transmission system. 5. ConclusionsThis paper demonstrates …” „… . IntroductionIn modern power transmission systems, noise contributes as a quality feature to the success of a …” „… transmission process of the mating gear teeth, the transfer path of the structure-borne sound is a complex …”

N. Fujimura Application-oriented research on internal generating polishing S. 1863-1876

„… surfaces. (2) Possibility of transmission efficiency increase and better NVH (Noise Vibration and Harshness …” „… provide a higher transmission ratio in a significantly more compact and lighter package than conventional …” „… power trains, leading to a positive effect on the efficiency of the overall system [1]. At the same time …”

G. Devaraj Vibration reduction of planetary gear drive using mesh phasing: modelling and experimental validation S. 157-174

„… , thereby improving its NVH performance. A system-level multibody dynamic model of the planetary gear set is …” „… transmission systems, controlling it via mesh phasing in such a way to improve NVH performance is crucial. In …” „… concept phase of a planetary gear set can help reduce the transmitted vibrations to the rest of the system …”

T. König, L. Cadau, L. Steidle, M. Kley, D. Cansu Güney, J. Albrecht, K. Weber A concept for comparison of new and aged lubricants in transmissions of electric vehicles and a method of oil aging on a test rig S. 1195-1206

„… A concept for comparison of new and aged lubricants in transmissions of electric vehicles and a …” „… environmentally friendly, there is the possibility to replace conventional transmission oils with sustainable …” „… instance, the typical map of an electric machine requires different transmission designs. [2, 3] In …”

E. Grabovic, A. Artoni, M. Gabiccini, E. Ciulli Exploration of trade-offs between NVH and efficiency in bevel gear design S. 853-880

„… Minimizing NVH and friction-induced power losses is becoming paramount in the design of geared transmissions …” „… , whereas the NVH level is measured by the loaded transmission error (LTE), directly available from the …” „… reliability in power VDI-Berichte Nr. 2422, 2023 853transmission. Nevertheless, the deployment of spiral bevel …”

B. Morhard, T. Lohner, K. Stahl Influence of Surface and Material Technologies on Loss of Lubrication Performance of Gears S. 779-784

„… . Improving the LOL behavior of transmissions allows to omit secondary systems and consequently to reduce …” „… without scuffing. Introduction Helicopter transmissions and geared turbofans need to withstand loss of …” „… spinning and (iii) negative-g maneuvers causing a disordered oil flow in the transmission. To ensure that …”

J. D. M. Marafona, J. H. O. Seabra, P. M. T. Marques, R. C. Martins Effect of overlap ratio on gear dynamic behavior and noise level S. 1239-1256

„… vibration in a geared transmission system is the gear pair. Its mesh stiffness fluctuations excite the …” „… system, JSME International Journal Series C Mechanical Systems, Machine Elements and Manufacturing 46 …” „… fluctuations, dynamic transmission error as well as gear noise level is found. Integer overlap ratio gears …”

B. Guilbert, D. Dureisseix, P. Velex Hybrid models for the simulation of displacements and stresses in lightweight gears S. 315-328

„… the global dynamic behaviour of transmissions including the internal displacements and stresses in …” „… coordinate system attached to the meshing and relatively decoupled from the dynamic mesh forces. From a …” „… global equations of motion for the entire system are then expressed in terms of the DOFs of the …”

B. Karba, N. Yildirim Backlash optimization via compatible gear couples on the assembly lines for planetary gearboxes S. 1147-1158

„… main components of transmission should be inspected in each process of design, manufacturing …” „… , operating behavior of system is evaluated in terms of backlash also the automatically self-compensation of …” „… precision gearboxes or transmissions by using the assembly/grouped methodologies and recording the operating …”

S. Sartori, L. Alari, N. Motta, D. Podda Helicopter Drive System Safety Dissertation S. 633-644

„… normative for civil helicopters, the failure of the lubrication system of a power transmission unit should …” „… Helicopter Drive System Safety Dissertation Sergio Sartori, Lorenzo Alari, Nicoletta Motta, Daniele …” „… last decades, (i.e. events involving the loss of helicopters due to a failure of the drive system …”

F. Eigner, S. Oberle, M. Berger A non-restrictive approach of gear geometry calculation for plastic gears S. 1469-1482

„… calculation of gearboxes with a constant transmission ratio, a parameter radius ratio is developed. For this …” „… an optimal power transmission can be achieved regarding the technical properties. The procedure is …” „… correspond to a linear transmission function from gear 1 to gear 2. Another boundary condition is the integer …”

A. F. İnceel, B. Özkan, B. Karba, M. Vardar A study on the efficiency prediction of a gear bearing drive by means of mathematical modelling S. 1135-1146

„… transmission technologies for robotics, several purpose-made gearboxes have been developed. In this paper, it …” „… by considering the power losses of the components within the system. Introduction & Research findings …” „… ]. However, before proceeding with the loss calculations mentioned above, a power analysis of the system …”

A. Donmez, A. Kahraman Experimental Investigation of Influence of Indexing Errors on Gear Rattling S. 703-714

„… Kahraman,Gear and Power Transmission Research Laboratory The Ohio State University, Columbus, USAAbstract …” „… large diesel engines to manual transmissions and engine balancers. While the primary source of rattling …” „… error features are used to form these gear trains. Motion transmission error is measured under different …”

L. Braumann, H. Amri, V. S. Viteri, J. Ochoa LUBGEAR – Experimental Campaign for Aviation Gears in Loss-of- Lubrication S. 1063-1070

„… Zahnraddesign für beschichtete Zahnräder in LOL definiert. Abstract Transmission systems in the aviation …” „… systems increase system weight and complexity, the H2020 research project LUBGEAR investigates surface …” „… necessary design adaptations for coated gears in LOL are discussed. Introduction Transmission systems for …”

P. Chavan, M. Lutz Validation of an industrial gearbox model for predicting vibro-acoustic behavior S. 619-632

„… , allows for an efficient and accurate simulation of the system's dynamic excitation and response. While …” „… . The gear unit with 6450 Nm nominal torque and transmission ratio of i = 13.47 represents the smallest …” „… evaluating the MBS model's accuracy in representing the bearing system and preloads. In this state, the gear …”

J. König, M. Obermayr, T. Klein Digitalization of the Gear Development Process – Chances, Benefits and Risks S. 1017-1026

„… systems. The benefit of these tools is that complex parts of the system simulation software design, such …” „… approach to transmission design and considering complex relationships within mechanical systems. The …” „… focused on individual components, neglecting system interactions. System calculation software introduced a …”

I. Gonzalez-Perez, A. Fuentes-Aznar, J. Calvo-Irisarri, N. Bilbao-Handley, X. Lopez-Fuentes, A. Fernandez-Sison Evaluation of the effect of the rim thickness on the root stress cycle of helical planet gears with integrated rollers S. 553-568

„… . Lopez-Fuentes, Eng. A. Fernandez-Sison, Gamesa Energy Transmission S. A., Spain Abstract Comprehensive finite …” „… cutter in a coordinate system that is rigidly connected to the gear. In a second stage, after …” „… , using a marking compound thickness of 0.0065 mm. The function of transmission errors (unloaded) is …”

T. Inoue, D. Iba, N. Fujita, A. Nishikawa, M. Ishii, J. Hu, H. Shimasaki, N. Miura, A. Masuda, I. Moriwaki, J. Hongu Effect of Load Cycles on Return Loss and Resistance of Sensor and Antenna Circuits Printed on Plastic Gears S. 659-674

„… information from the sensor measured on the rotating gear to the external system.It is currently possible to …” „… transmission from an antenna), Proc. SPIE 10973, Smart Structures and NDE for Energy Systems and Industry 4.0 …” „… . Dr.-Ing. Junichi Hongu, Tottori University, Tottori, Japan Abstract A system consisting of a smart gear …”

A. Yavuz Kanyilmaz, B. Karba, M. VARDAR Classifying plastic beveloid gear quality considering manufacturing errors S. 1159-1172

„… . In terms of uniformity of transmission of motion in systems, the average of the above four quality …” „… both manufacturing method. In terms of uniformity of transmission of motion in systems, profile …” „… transmitting power and motion and the designer must determine a quality range for the gear so that the system …”

J. Zhang, B. Shaw, A. Hammer, I. Sewell Effects of Surface Engineering on the Efficiency of Involute Helical Gears – An Experimental Investigation S. 995-1016

„… auxiliary lubrication systems attached to gear transmission units. Thus, findings of this research may be of …” „… , or to the mechanical power transmission systems of aviation industry where light-weighting of …” „… extremely important for the reduction in weight and size of the overall mechanical power transmission …”

A. Carvalho, R. Rego, N. Fukumasu, D. Tamayo, F. Nascimento, I. Machado PVD Deposition of Nb-MoS2 Coatings on Gear Carburized Steel S. 1071-1082

„… the electric motor brings with it a set of new challenging requirements for the transmission system …” „… . [2] Hailu H. et al. Design and fatigue analysis of an E-drive transmission system of single-speed …” „… results suggest that further studies on Nb:MoS2 coatings for transmission systems applications are …”

M. Geitner, S. Preintner, T. Tobie, K. Stahl Simulation Study on the Tribological Characteristics in the Meshing Contact in the Context of the Load Carrying Capacity Calculation of Internal Gears with Unbalanced Sliding Conditions S. 429-450

„… transmission systems as well as in automotive applications such as automatic transmissions. As a result of the …” „… with coaxial in- and output, planetary gear stages are often part of transmission systems in the …” „… energy and industrial transmission systems as well as in automotive applications such as automatic …”

L. Becker, P. Tenberge Crossed helical gears – simulative studies and experimental results on non-involute geometries S. 1499-1514

„… helical gear with an axis crossing angle. Due to the high transmission ratio in a small installation space …” „… system of the worm, the wheel and the virtual counterpart rack are shown in Figure 1. The polynomial …” „… coordinate system, q1 specifies the gradient of the flank at the same place, q2 enables a concave contour (ZC …”

S. Moschkau, S. Held Optimization of product quality and manufacturing processes in real-time with vibration analysis S. 1821-1828

„… controller in the event of an error. All common control systems can be connected in this way. The system is …” „… . In addition to the structure and functionality of the system, real savings opportunities from …” „… transmission. To avoid unwanted noise, extreme precision is important in manufacturing transmission gears to …”

C. Kunik, J. Kunert Wetting and oil flow analysis of planetary gearboxes using oil flow simulations S. 467-484

„… is used, see Fig. 1. It is characterized by a wide variety of transmission ratios and nominal torques …” „… planet carrier, rotate around a central sun gear. This system is covered to the outside by the ring gear …” „… of the acceleration phase of the test system in the simulation. Without this, the optical validation …”

D. Zorko, N. Vukašinović, B. Černe The effect of gear manufacturing quality on the mechanical and thermal state of a plastic gear S. 1319-1332

„… /10.3390/polym14040705. [8] ISO 1328-1:2013: Cylindrical gears - ISO system of flank tolerance …” „… ). [9] ISO 1328-2:1997: Cylindrical gears - ISO system of accuracy - Part 2: Definitions and allowable …” „… , Beuth Verlag GmbH, 2019. https://doi.org/10.31030/1103368. [13] DIN 3967:1978-08, System of Gear Fits …”

M. J. Herberger, F. Rudolph, B. Sievers Efficient concepts for high ratio angular gearboxes S. 801-814

„… bis 2025) [2] Stadtfeld, H.: Tribology Aspects in Angular Transmission Systems - Part VIII …” „… realized when this gearing type is used. An efficiency analysis for high transmission ratio angular …” „… efficiency, overall ratios of i > 200 can be realized. By using this modular sys-tem, small ratios down to i …”

Y. Koch, E. Kirchner, J. Hirschmann Measuring Instantaneous Angular Speed using a Gear Wheel as Material Measure to detect Pitting Damage during an Endurance Test S. 81-96

„… imc CRONOSflex measuring system. The signals are sampled every 8h for a duration of 60 seconds at 50 …” „… seconds at 50 kHz and transferred to a cloud system. An overview of the data acquisition equipment is …” „… results in angular and speed fluctuations called transmission error. Deviations originate in geometrical …”

T. Kleiber, B. Neubauer Advancing to The Next Level – Cost Efficient Roll-Inspection: Back from End-of-Line NVH to Skiving Process S. 1591-1606

„… powertrain. With a focus on e-Axles, the system requires a lightweight, compact, and power dense solution …” „… performance at the final transmission EOL inspection, where the NVH level is recorded and rated vs. acceptance …” „… because of the excellent production result. This golden center best in view of transmission and EOL …”

D. Park, A. Rezayat, Y. Gwon Design optimization of multi-stage gear trains with asymmetric teeth under a broad range of torques by incorporating multibody simulations S. 383-396

„… ), efficiency, and transmission errors to draw optimal gear teeth under system deflections. For this, it is …” „… but efficient gear contact model that handles asymmetric gear mesh stiffness under system deflections …” „… various key aspects such as transmission error, bearing forces together with gear tooth stress levels, and …”

B. Abert, D. Werner The Influence of Wheel Body Design on Airborne Noise S. 357-366

„… Eigenmoden. Abstract Transmission noise plays a key role in electromobility design. The inability to mask …” „… and manufacturing. Transmission error has the greatest influence on gear noise. This is a result of …” „… optimizing the transmission error, it is possible to reduce the structural excitation and, consequently, the …”

U. Cihak-Bayr, T. Wopelka, C. Wintersteiger Effect of LOL conditions under high velocity and high injection temperatures S. 763-778

„… transmission system is attached to, upwards. The applied oil circuit can supply lubricant with a high …” „… experimentell untersuchten System bei ca. 4 m/s. Dies entspricht bei der kleinsten Umfangsgeschwindigkeit einem …” „… velocity. The maximum sliding velocity of this system was found to be approximately 4 m/s. This corresponds …”

P. Fischmann, A. Hilligardt, V. Schulze Tooth Root Burnishing in the Kinematics of Gear Skiving S. 1829-1844

„… . Fig. 3: Equilibrium of forces of the pin in the tool systemAs described, the influence of tip diameter …” „… a novel tool system for mechanically strengthening the surface, as an adaption of deep rolling, in …” „… trajectory and process parameters was developed for process and tool design. Subsequently, the tool system …”

L. Binanzer, L. Merkle, M. Dazer, A. Nicola Pitting Detection for Prognostics and Health Management in Gearbox Applications S. 97-108

„… set up as an inline concept (2 motor concept). An electric drive motor controls the transmis-sion …” „… input speed and a second electric motor loads the transmission output side. The input and output units …” „… out with an oil circulation system with an oil heating and cooling device. 3.2. Test Conditions / Test …”

I. Gonzalez-Perez, A. Fuentes-Aznar Improvement of the transmission efficiency in electric vehicles by using double staggered helical gears with shortened teeth S. 1083-1090

„… Improvement of the transmission efficiency in electric vehicles by using double staggered helical …” „… contacting tooth surfaces for all the geometries. Several two-stage gear transmissions are analyzed and …” „… Electric vehicles require transmissions with high efficiency, low levels of noise and vibration and high …”

H. Mahe Model based NVH design: e-bike application S. 1229-1238

„… reduce the transmission error (static and dynamic). Proposed modifications have been implemented in a …” „… this system consists in an e-motor + reducer, a 7 speed gear-box and an electronic equipment managing …” „… or manual way. The system allows to implement regenerative braking as well as reverse maneuver for …”

C. Karampatzakis, A. Mihailidis, A. Mantzaflaris, C. Provatidis Contact simulation of tooth flanks using Isogeometric Analysis S. 413-428

„… transmission systems. Power is transmitted from one gear to its mating one through the contacting teeth. Thus …” „… functions increases the computational cost of the system’s assembly and solution. However, this increased …” „… substituting the spline discretization of in the weak form, one can retrieve the discrete system for linear …”

N. De Bie, W. Smet, T. Van Der Kamp Assessing gear mesh misalignment in a parallel gear set by transmission error measurements S. 291-300

„… Assessing gear mesh misalignment in a parallel gear set by transmission error measurements M. Sc …” „… der TE Messung ab. Abstract Gear transmission error (TE) is the main contributor to gear vibration …” „… desirable. This article demonstrates, based on two practical examples, how transmission error measurements …”

J. Vorgerd, P. Tenberge, M. Steinrötter Scuffing load carrying capacity of high-speed gears with an isotropic superfinished surface S. 227-242

„… Before starting a test, the oil system and the test gearbox were heated up to test temperature. Each load …” „… .; Bossler, R.: Advanced Rotorcraft Transmission Program. NASA Contractor Report 191057, 1993 [ISO17] Norm …” „… .; Winter, H.: Scoring tests of aircraft transmission lubricants at high speeds and high temperature …”

A. Wallinger, R. Vonderschmidt, S. Vonderschmidt Lubricant Free Transmissions for the food industry – A Comparison S. 715-726

„… Lubricant Free Transmissions for the food industry – A Comparison Dipl.-Ing Andrej Wallinger …” „… servo gearmotors in a food processing device 2 Lubricant free Transmissions – steel, plastic, magnetic …” „… transmissions. The section is divided into the three technologies presented in this paper - magnetic …”

J. Cathelin Plastic Gears: Investigation on Noise and NVH Behavior S. 1449-1460

„… system. The structure borne noise is finally radiated as airborne noise. Therefore, achieving a low level …” „… of excitation produced by the gear will be the key factor. Traditionally the transmission error is …” „… used to judge the impact of a gear train on the noise behavior. A high Transmission error results in a …”

M. Fürst, S. Sepp, D. Schweigert, M. Otto, K. Stahl Experimental Investigation of Moving Contact Pattern in Helical Planetary Gearboxes S. 569-582

„… evaluation Since a single measurement takes several minutes, the boundary conditions on the system differ …” „… Characteristics of Transmission Planetary Gear Sets: Model and Experiment. SAE Transactions 108, 1954–1963. [7 …” „… ] Singh A, Kahraman A, Ligata H (2008) Internal Gear Strains and Load Sharing in Planetary Transmissions …”

H. Yakaria Securing the Quality Chain by the Networking with the Gear Suppliers S. 1617-1630

„… quality system. The globalization in the production drives company strongly to cooperate with a high …” „… evaluation of measurement results, most gear transmission producers use commonly their own internal corporate …” „… functionality. Standardization To establish an effective quality management system, it is essential to ensure …”

B. van Wissen, L. Pastukhov, F. Mitsuzuka, K. Iwanaga, A. Hasanovic NVH performance of thermoplastic gears: modelling and measuring S. 1389-1402

„… the generated noise will be. Therefor the peak-to-peak transmission error value of gear system is a …” „… variations plus the intrinsic run-out of a pinion and its mating gear results in a total transmission error …” „… . The total transmission is defined as the difference between the actual position of the output gear and …”

M. Brumm, D. Sari Complete machining of complex transmission parts S. 1581-1590

„… Complete machining of complex transmission partsChance or risk for series production?Dr. Markus …” „… industrial gear boxes. Transmission components that are interesting to be manufactured by complete machining …” „… found is the transmission of high torque for rough turning and the low deformation of the workpiece …”

J. Hongu, S. Hattori, J. Kato, T. Koide Gear friction coefficient estimation using directional parameter under ATF lubricated condition S. 753-762

„… estimation equation has been applied to only the case under manual transmission fluid (MTF) lubrication …” „… transmission fluid (ATF) lubricated conditions, which is the current mainstream oil in automobiles. Herein …” „… reducers in automobiles, and the trend of the EV shift has demanded further increases in gear transmission …”

M. Werner, S. Graf, M. Oehler, O. Koch Investigation of the electrical behavior of a spur gear stage pair by means of impedance measurements S. 67-80

„… . The publication presented shows how a spur gear pair behaves as an electrical system and what …” „… electrical substitute system is first explained (chapter 2). This is followed by a presentation of the test …” „… an equivalent electrical system (cf. Fig. 2 b). Assuming a separating lubricant film, a parallel …”

D. Meyering, C. Hussmann Smart Gearboxes for a Sustainable and Reliable Industry S. 645-658

„… integrated long-term measurement system. Values like speed, torque and vibration have been measured over …” „… integrated sensor system is used to monitor many industrial gearboxes. The measured gearboxes are used in a …” „… . All measurement devices are equipped with a threshold monitoring system. Both, speed and torque …”

M. Willecke, J. Brimmers, C. Brecher Experimental Investigation of the load carrying capacity of beveloid gears with optimized flank topography S. 125-138

„… comparison gear set, both having the same transmission ratio. The reference gear unit is specifically …” „… friction losses within the system during operation, an electric motor is employed, ensuring a constant …” „… coupling allows the usage of the same lever and mass system. In the final application all openly placed …”

M. Ruzek, R. Brun, F. Ville, P. Velex, Y. Marchesse On the reduction of windage power losses in gears by the modification of tooth geometry S. 785-800

„… windage power losses (WPL) in high speed transmissions can be mitigated by flanges and/or shrouds close to …” „… Power losses in gear transmissions are traditionally separated into load-dependent and load independent …” „… , as is the case in high-speed turbomachinery, aerospace or pump transmissions. From the onset of …”

B. Černe, N. Vukašinović, D. Zorko In-situ experimental methods for measuring tooth meshing displacements and wear during polymer gear tests using a high-speed camera with microscopy optics S. 1563-1580

„… temperature control system in accordance with the VDI 2736 - Part 4 guideline [14]. During these tests …” „… temperature sensor placed perpendicular to the polymer gear's axis, a heat generation system employing an …” „… infrared (IR) heating lamp, and a heat dissipation system employing a turbine for cool air inflow. Together …”

T. Schmidt, B. Neubauer, D. Merk White Etching Cracks (WECs) on gears of E-Axle applications S. 257-268

„… microstructure. With this result, the oil-chemistry was identified as the main trigger in this system and the …” „… need for an oil change which was not avoidable with small changes in the system. Beside the …” „… compared to oils in manual transmissions in the last 20 years. High requirements for efficiency in …”

A. Hilligardt, V. Schulze Gear Skiving with Minimum Twist Errors S. 1749-1764

„… to high power density and good efficiencies at high transmission ratios, planetary gearboxes are …” „… combustion engine-driven transmission solutions, internal gears of DIN Q6 qualities are required for …” „… profile can be determined by solving the three-dimensional basic requirement of a gear tooth system [11 …”

D. Gallagher, E. Wiita, R. Weidig Improved Method for Validation of Root Stress in Polymer Gears S. 1333-1350

„… transmission paths. Unfortunately, neither standard (above) provides a definition, nor is there any definition …” „… the tooth root under load, as well as conventional closed loop thermal control of the system. The load …” „… 3990-1:1987 Section 2 [15], to the effect that KA K should be used for gear systems with multiple …”

I. Criscuolo, F. Carneiro, G. Guimarães, R. Rego, J. Mascheroni Indirect Selective Laser Sintering: Modeling and analysis of surface densification by shot peening S. 1681-1698

„… iSLS requiring high mechanical properties, such as automotive transmission gears, knowledge about the …” „… : Laser system, 2: Feed chamber, 3: Spreader, 4: Manufacturing chamber, 5: Powder overflow chamber, 6 …” „… systems. 3. Results and Discussions In order to investigate the surface densification through shot …”

G. Vasileiou, C. Vakouftsis, C. Kalligeros, V. Spitas, C. Papalexis, A. Tsolakis, P. Zalimidis Continuous prestressed reinforcement of plastic gear teeth and its effect on bending strength vs conventional reinforcement S. 1375-1388

„… . IntroductionMetallic gears are widely used in power transmissions due to their high strength and reliability. They …” „… ( ) with the increase of the number of teeth. It should be mentioned that the effect of the transmission …” „… on strength of the cycloidal gear system,” Int. J. Precis. Eng. Manuf., vol. 16, no. 3, pp. 537–546 …”

L. Amar Review of the definition of the loads for spur and helical gears in standards and handbooks S. 301-314

„… for defining a reference system and the sign of gear forces. • The ISO standard does not explicitly …” „… act on the bearings in the direction opposite to the direction of rotation at the transmission point …” „… the radial force remains the same. In addition to the forces at the transmission point, bearings may …”

U. Kissling Impact of manufacturing deviations on the NVH behavior of modern gear design concepts S. 367-382

„… analysis under load), to determine the usual critical results such as transmission error, excitation force …” „… contact analysis (LTCA) generates many interesting results, such as the peak-to-peak transmission error …” „… rack tooth profile, 1998. [8] ISO 1328-1, Cylindrical gears — ISO system of flank tolerance …”

I. Hong, D. Talbot Tooth Bending Strain Rate Analysis in a Counter Shaft Drivetrain and Implications on Fatigue Strength S. 53-66

„… Strength Isaac Hong, David Talbot, Gear and Power Transmission Research Laboratory Department of Mechanical …” „… microstructures of large volume and high-quality gearing. Most gears made for power transmission purposes are made …” „… gear measured tooth bending strains. Signals are taken from the rotating system to a high-speed data …”

M. Rothemund, M. Otto, K. Stahl Applicability of classic analytical calculation approaches for the design of plastic gears S. 1483-1498

„… . The inner diameter of the pinion is fixed so that it can rotate to introduce a torque into the system …” „… torque is introduced into the system via the pinion as is in the FE model. The pinion is made from steel …” „… . Conclusion The design of plastic gears for transmissions for higher power levels can only be achieved by …”

A. Drechsel, J. Pellkofer, K. Stahl Transferability of the scuffing load capacity of gear oils determined on spur gears to hypoid gears S. 881-896

„… gesamte tribologische System des Getriebes berücksichtigt werden. Neben den auftretenden Belastungen und …” „… development of gears. In addition to the gear geometry, the entire tribological system of the gearbox must …” „… ensure safe operation, highly additivated gear oils are generally used in hypoid transmissions. Since it …”

L. Klee, T. Bergs, M. Solf, J. Brimmers Binder Jetting in Gears – Process Design and Tooth Bending Strength for Gears made of 17-4PH S. 1665-1680

„… optimization of the noise behavior of transmission components is becoming increasingly important [22]. Powder …” „… binder is applied to the BJT system DM P2500 via two cartridges. The amount of binder applied can be …” „… good flowability as well as a high filling density [3]. To date, commercial systems mainly process …”

J. Gründer, A. Monz Analytical Method for Calculating the Nominal Tooth Root Stress in Worm Gear Shafts S. 1091-1110

„… higher-strength bronze alloys, cast iron or steel to increase the transmission capacity of worm gears. This …” „… during operation. On the one hand, stresses occur in the tooth root due to the load transmission like a …” „… elastic multibody models. The 5th Joint International Conference on Multibody System Dynamics, Lisboa …”

M. Gebhardt, A. Rhode, B. Legrady Lubrication improvement at the HS-IS spline shaft interface of a wind turbine gearbox using the smooth particle hydrodynamic method S. 519-536

„… . Moritz Gebhardt, Dr.-Ing. Alexander Rhode, NGC Transmission Europe GmbH, Duisburg; Dipl.-Ing. Benjamin …” „… the purpose of the spline is pure torque transmission and centering would lead to constraining forces …” „… generate pictures from a coordinate system that rotates with the spline shaft. 3. Results and Discussion …”

B.-R. Höhn, Y. Zhang, M. Geitner, M. Otto Efficiency-improvement with low-loss-gears by two different application S. 13-18

„… transmission systems try to manufacture all parts with low tolerances- often with unsatisfactory results. So …” „… far, these transmission systems are only rarely produced and used in practical applications as the …” „… * Corresponding author: hoehn@fzg.mw.tum.de1 Introduction Wolfrom-transmissions are well-known by …”

S.-J. Tsai, Q.-Y. Zhuang, L.-C. Chang Design and analysis of compound stepped planetary gear drives for better transmission performances S. 537-552

„… Design and analysis of compound stepped planetary gear drives for better transmission performances …” „… . The influences of the different combinations of tooth numbers on the transmission errors and load …” „… smallest transmission error and evener load sharing is that the planets mesh with the sun gear in phase and …”

S. Reitschuster, T. Tobie, K. Stahl Experimental Verification of High-Performance Polymer Gears in an Electric Vehicle Powertrain S. 1533-1534

„… systems is still almost exclusively limited to applications with restricted power transmission, like …” „… actuators. To extend the field of application to power transmissions as well, in this study a transmission …” „… of polymer gears. Compared to the series transmission with all gear stages out of steel, one of them …”

K. Suzuki, K. Sakai, K. Sakai, T. Hara Considerations on Lubrication of High-Speed Rotating Gear (First Report) S. 741-752

„… transmission and 4WD transfer case, and has started mass production of hybrid (hereafter HEV) gearbox in 2005 …” „… lubricant injection direction, position, and speed can lead to a low-loss lubrication system that satisfies …”

B.-S. Kim, D. Im, J.-H. Park, W.-J. Chung, Y.-J. Park Development of Optimal Design Program for Macro-Geometry of Planetary Gear Set using Multi-Objective Optimization Algorithm S. 1181-1194

„… performance parameters of gears, mass, transmission error, and power loss, were used as the objective function …” „… (1)𝑚 (2)2.2.1. Gear transmission error calculation In order to accurately calculate the gear …” „… transmission error, time varying mesh stiffness that varies according to the mesh cycle is required. Methods …”

F. Mieth, D. Tazir Local load capacity analysis for the design of a balanced flank modification for cylindrical gears according to bevel gear procedures S. 927-944

„… distribution includes the interaction of the overall system with all of its components and their associated …” „… only factor that can consider the system's stiffnesses and the resulting flank line deviations in tooth …” „… with the gear environment is to analyses the gear in a mechanical model of the overall transmission. By …”

J. I. Pedrero, M. Pleguezuelos, M. B. Sánchez Analysis of the tip interference in low gear ratio internal spur gears with profile modification S. 957-974

„… order to reduce the size of gear drives for mechanical power transmission systems and, consequently …” „… interference. The influence of the quasi-static transmission error on the tip interference is also considered …” „… transmission error on the tip interference is also considered in the analysis. Although the geometrical …”

Foreword S. 1-2

„… platform for researchers on and manufacturers of gears and transmission systems. At the 10thissue of the …” „… gear systems by repairing and reusing them in compliance with this goal is also the subject of expert …”

F. Reinle, D. Mangherini, A. Bongiovanni Enhancing gear performance through advanced mass finishing and DEM simulation S. 1777-1786

„… mind, the following shaft (Fig. 4) was also treated: Fig. 4: Treated manual transmission shaft with 1st …” „… the insights obtained, we focus on the transmission shaft, which incorporates the 1st, 2nd, and …” „… , large-scale movements in blocky rock systems. 1971 [2] Zhao T., Coupled DEM-CFD Analyses of Landslide-Induced …”

C. Herzog, D. Drummer Influence of the injection molding process on the tooth deflection of plastic gears during operation S. 1435-1448

„… , they are widely used in power transmission systems in various industrial sectors such as automotive …” „… geometrical accuracy leads to an improved meshing kinematic and thus better force transmission. The measured …”

S. Matkovič, D. Šeruga, M. Nagode, M. Kalin Prediction of tooth root fatigue failure of polymer gears for dry and oil lubricated contact and its comparison to experimentally obtained results S. 1301-1318

„… Material 100Cr6 Delrin 500P Normal module, mm 0.8 Number of teeth 17 22 Helix angle,° 0 0 Transmission …” „… polymer gears in various systems including gearboxes, actuators, and other applications. The rise in …”

P. E. Schnetzer, J. Pellkofer, K. Stahl Calculation method for wear of steel-bronze rolling-sliding contacts relating to worm gears S. 907-926

„… high transmission ratios in one stage, a compact design, the ability to self-lock, and low-noise …” „… authors are not aware of any paper in which systematic wear investigations have been carried out on the …”

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N. Wan, L. Yao Efficiency modelling and analysis for a novel double-arc bevel gear nutation transmission system for pure electric vehicles S. 1253-1258

„… Efficiency Modelling and Analysis for a Novel Double-arc Bevel Gear Nutation Transmission System …” „… development of pure electric vehicles (EVs), small and efficient transmission system is the trend. The paper …” „… proposes a novel double-arc bevel gear nutation transmission system with two inputs and one output for …”

Y. Cai, L. Yao, J. Ding, S. Ouyang, J. Zhang Analysis of dynamic transmission error for nutation drive with double circular arc gears under assembly errors and different loads S. 343-354

„… gear transmission system. Wei et al. [1] investigated the influences of involute contact ratio …” „… impact characteristics of a crowned gear transmission system with experimental static transmission error …” „… errors and different loads on the DTE of nutation drive system. 2. Assembly errors and transmission …”

H. Xu, D. Qin, C. Liu, Y. Yi, H. Jia Investigation of dynamic modeling and vibration transmission characteristics of helicopter main gearbox S. 449-460

„… transmission system, and its vibration characteristics directly affects the safety and reliability of a …” „… . Bearing model The transmission system is coupled with the housing structure through bearing model. Based …” „… 32.2 — 21.0 — 31.8 26.6 — The first mode shapes of transmission system with and without …”

C. Natali, A. Rezayat, D. Park, P. Jiranek, T. Tamarozzi Analysis of manufacturing variability on the transmission error of an internal gear pair using a multibody framework S. 1099-1110

„… and efficiency of the transmission system. Once these intended design parameters are obtained …” „… of the gear transmission system with a sufficient level of speed and accuracy. Currently, the …” „… depends on the type of transmission system and the level of compromise between simulation accuracy and …”

X. Yang, N. Yue, Q. Yang, L. Wang, Y. Shao, H. Xiong Dynamic simulation for double input compound power-split mechanism of in-wheel motor driven EVs S. 481-492

„… Characteristics Analysis of DICPSM Here, the NSK’s IWM transmission system is analyzed as an example. The motor1 …” „… ] Fangquan N., Qing Z., et al.: Dynamic Analysis of Double Input Planetary Gear Transmission System. Machine …” „… EVs Xiaodong Yang, Nian Yue, Qifan Yang, State Key Laboratory of Mechanical Transmission …”

H.-W. Raedt, T. Wurm, A. Busse Lightweight forging initiative III: transmission lightweighting potential based on design and material concepts in a split-axle hybrid vehicle and a heavy-duty truck S. 1777-1786

„… Lightweight Forging Initiative III: Transmission Lightweighting Potential Based on Design and …” „… a split-axle hybrid vehicle. Furthermore, the transmission, propeller shaft and drive axle of a …” „… based on a transmission, propeller shaft and the rear axle. To determine lightweighting potential, the …”

F. Concli, C. Gorla Dynamic models for planetary gearboxes SHM S. 471-480

„… that can be achieved, they are employed for transmissions with high power density. There are several …” „… fields of applications of this type of transmissions, including but not limited to automotive, aerospace …” „… the transmission, based on a hybrid FE-analytical formulation. The method used also allows to …”

C. Chevrel-Fraux, R. Fargere, J. Bruyere, P. Velex Modelling of high power geared transmissions, introduction of a filling material S. 903-914

„… systems by using continuous system model”, Journal of Sound and Vibration, 166(3), pp 539-556, 1993 [3 …” „… Modelling of high power geared transmissions, introduction of a filling material PhD …” „… into a flexible wheel on the geared transmission behaviour. To this end, a hybrid model using …”

C. Hegger, T. Kruger, J. Maas Two-speed transmission based on energy-efficient MRF-coupling elements and power split mechanism S. 867-876

„… Two-speed transmission based on energy-efficient MRF-coupling elements and power split mechanism …” „… Abstract This contribution deals with the development of a two-speed transmission based on a power split …” „… engagement and the integration in the mechanical design of the overall transmission. 1. Introduction …”

M. Heider, B. Pinnekamp, A. Beinstingel Planetary gears: modes, noise and modifications application and validation of simulation and experiment S. 57-68

„… knowledge of the elastic and dynamic behavior of the transmission system and the excitation mechanisms of …” „… real dynamic system. Noise excitation Noise transmission Noise radiation VDI-Berichte Nr. 2355 …” „… transmission systems. The actual gear mesh is the most decisive criterion for noise generation with two …”

Titelei/Inhaltsverzeichnis S. I-XXVI

„… nutation transmission system for pure electric vehicles …” „… micropitting formed on particle-based parkerized gears 69 R. Saito, K. Matsuo, Hardware System …” „… ., Zhengzhou, PR China f Transmission error Investigation of transient response motion of differential …”

K. Landet, J. Perret-Liaudet, E. Rigaud, J. Y. Guerder, M. Fraces Experimental study of railway gearbox whining noise S. 79-90

„… the meshing process, by using a specific test bench. The test bench consists of a back to back system …” „… to minimize static transmission error fluctuation amplitude for a large range of operating torques …” „… by the meshing process. It is usually assumed that the well-known transmission error and the mesh …”

M. Keuthen REXS – Standardized gear unit model S. 701-712

„… as much as possible, meaning that most companies do not just use one CAE tool for transmission …” „… transmission calculation data between these tools. This leads to many cost- and maintenance-intensive …” „… simple data exchange in transmission development under the name REXS (Reusable Engineering EXchange …”

E. V. Kozharinov, J. M. Temis Dynamic model of bevel gearing with friction damper S. 635-644

„… gear with friction damper has been developed. Frequency response of «gear - damper» system depending …” „… contact slippage has been studied. Transmission error depending on value of transmitted torque has been …” „… calculated. Characteristic parameters of transmission error has been studied. Reduced dynamic model of bevel …”

D. Park, F. Santini, A. Rezayat, T. Tamarozzi, J. Pavel Experimental and numerical investigation of helical gear transmission error under gear misalignments S. 355-366

„… performance of gear transmission systems have increased thanks to accurate and robust modeling techniques …” „… Experimental and Numerical Investigation of Helical Gear Transmission Error under Gear …” „… include the influence of gear manufacturing and assembly errors to better predict the Transmission Error …”

J. Ahn, C. H. Choi, J. H. Yu, S. C. Kim A study of dynamic behavior of tractor pto driveline to analyze a rattle noise S. 461-470

„… & Materials, South Korea Abstract Recently, According to advancement in transmission and engine …” „… PTO(Power Take-off) system to transmit the engine power to the outside. However, it makes gear rattling …” „… acquired data. As a result, it is discovered that the dynamic characteristics of the system are changed …”

J. Neufond, E. Rigaud, J. Perret-Liaudet, A. Carbonelli Influence of tooth profile modifications on the dynamic behavior of a planetary gear set – Experimental investigation and numerical validation for different amplitudes of tooth profile modifications S. 765-776

„… are widely used in automatic gearbox transmissions of hybrid vehicles, energy production systems such …” „… considered in order to study the influence of tooth profile modifications on the static transmission error …” „… corrections. First, the internal parametric excitations, corresponding to the static transmission errors (STE …”

V. Heuer, D. Bolton Lean heat treatment for distortion control S. 1749-1764

„… applications the high demands regarding fatigue properties of transmission components can be reached only by …” „… the steel-grade of the component. Fig. 2 shows a typical industrial system for the HPGQ-process. The …” „… treatment system for 3D-treatment 3. Lean heat treatment Today’s production philosophy for gear …”

L. Hui, X. Changl, Y. Shouw, L. Cheng, Z. Chen, L. Yu Research on Dynamic Drum Shape Modification of Helical Gear Pair S. 1011-1026

„… transmission, the gear 1 drives the system transmission at an input angular velocity 1 . 2 are constant …” „… alleviates the rollover phenomenon. 1. Introduction The helical gear transmission includes helical gear …” „… system is actually a three-dimensional model. When the working conditions are complicated, strong axial …”

Z. Zhan, H. Liu, C. Xiang, Q. Yan, H. Li, W. Wei, L. Xu Study of lateral and torsional vibration distribution of two-stage planetary gears based on vibration energy theory S. 1245-1252

„… . Introduction Gearbox is one of the core components in the transmission system. A failure of the gearbox may …” „… mechanism for nonlinear planetary gears system, which has significant academic and engineering value. 1 …” „… transmissions, and they have more complex structures than ordinary gear train. Thus, accurately analyzing …”

M. Fromberger, S. Sendlbeck, M. Rothemund, J. Gotz, M. Otto, K. Stahl Comparing data sources for condition monitoring suitability S. 257-268

„… : Higher-end DAQ system used for tests Fig. 5: Lower-end DAQ systems used for tests Raw Data …” „… . However, other measurable variables such as the loaded transmission error exist, too. Even for one …” „… In our industrialized world, power transmissions form an essential component of many machines that …”

K. Stahl Foreword S. 1-2

„… . Digitalization includes the use of digital tools on a system level, like multi-body models to analyze the …” „… production, but also allow a deeper understanding of the properties of gears and transmissions during …” „… of the conference is the NVH-behavior of geared transmissions. Not only for automotive powertrains …”

J. Zhang, J. Wang Dynamic modeling and analysis of a star-wheel reducer S. 741-752

„… subsystem are derived and assembled to formulate a governing equation of the overall transmission system …” „… gear trains have been widely used in various power transmission systems due to their distinct merits …” „… of more starwheel shafts brings more virtual constrains, making the system’s dynamic responses very …”

M. Lutz, J. Hermes Use of multiple-body simulation during the development process of gear units S. 1077-1086

„… used in system simulation, to a tool also used in drive technology during the product development …” „… with a high level of detail for determining stiffness and loads to system models to support the …” „… modular gear unit system are also provided. This allows models to be created automatically and thus opens …”

B. Guilbert, P. Velex, P. Cutuli Hybrid models for the study of gear body dynamic deflections – Gear body modes S. 823-834

„… gears as is the case in helicopter transmissions, which usually comprise high-speed lightweight gears …” „… the quasi-static and dynamic responses in lightweight helicopter transmissions. VDI-Berichte Nr …” „… design of the power transmission whose data are listed in table 1; the input torque is 310 Nm and the …”

D. V. Kalinin, J. Y. Temis Influence of tooth profile modification on planetary gear sets dynamic S. 777-784

„… aviation engine drives. The effect of tooth profile modification on the dynamic stresses in the system, as …” „… aviation transmissions and drives continues to be relevant to develop modern aircraft engines. Its levels …” „… the analyzing system. The main subsystem of the planetary gear set dynamic model is a hybrid dynamic …”

J. Han, Y. Zhu, X. Tian, L. Xia A method of tooth longitudinal modification for internal gearing power honing S. 1725-1738

„… internal gearing power honing is widely used in the gear processing of automotive transmission, aerospace …” „… are widely used in high-speed transmission equipment to meet the requirements of service life …” „… , transmission accuracy and strength of gears. When processing modified gears, a diamond dressing wheel with …”

P. Scholzen, C. Lopenhaus, C. Brecher, D. Billenstein, F. Rieg, G. Hammerl Investigation of the influence of elastic gear body structures on the operational behavior of gears S. 785-796

„… increasing technical and economic requirements on power transmissions lead to a continuous need for …” „… gear body is constrained in the hub. The resulting equation system is then solved with an FE solver …” „… into the equation system of the FEA using the perturbed VDI-Berichte Nr. 2355, 2019786 Lagrange method …”

B. Hu, M. Zheng, C. Zhou Tribo-dynamics model of a spur gear pair with gyroscopic effect and flexible shaft S. 541-554

„… . Peng, Survey of nonlinear vibration of gear transmission systems, Applied Mechanics Reviews, 56 (2003 …” „… system, Mechanical Systems and Signal Processing, 76–77 (2016) 294-318. [22] J. Wei, A. Zhang, G. Wang …” „… transmission error, but the fluctuations of mesh force and surface tangential velocity caused by gear …”

P. Lopez Garcia, S. Crispel, T. Verstraten, E. Saerens, B. Vanderborght, D. Lefeber Wolfrom gearboxes for lightweight, human-centered robotics S. 753-764

„… of their power supplies, has a negative impact[TV14] on the system’s autonomy and often burdens [TV …” „… , especially with reversing loading directions. • System Stiffness (blocked input) as[TV7] a result of the …” „… accuracy under variable loading. • Transmission Error is the speed fluctuation caused [TV8]mainly by …”

A. D. Rauch, C. Wirth An easy-to-use and fast computational model for the prediction of the influence of manufacturing errors on gear transmission error S. 645-656

„… errors on gear transmission error Andreas D. Rauch, Dr.-Ing. Christian Wirth, MAHLE ZG …” „… Transmissions, Eching Abstract This paper presents an efficient tool for analyzing the transmission …” „… transmission ratio along the line of action, is a result of tooth deformation, mesh misalignment, and …”

M. Chapron, Q. Theurillat-Bonjour Tooth contact analysis of non-circular gears with non-involute tooth profiles: Application to horological spur gears S. 925-936

„… transmission system. Secondly, the model is validated by comparing the results provided by the model with the …” „… 933 not sufficient to design these transmission systems and consequently, the proposed lumped …” „… ) the barrel spring acting as the source of energy, (b) the power transmission unit, composed of …”

B. Brodmann, H. Bodschwinna Scattered light measurement on worm gears with high efficiency requirements S. 1567-1578

„… ) obvious. An exact system-theoretical description of the method is provided by Seewig in [15]. 4 …” „… the efficiency of the transmission can be established by measuring the scattered light parameter Aq …” „… transmissions is crucial. Any amount of energy not converted into heat means more outreach and, in total, lower …”

R. Weidig, H. J. Weimar Powertrain NVH improvement with high-performance polymer gears S. 1421-1430

„… system where temperatures range from -40 °C (-233 K) to 150 °C (425 K). The gears in engine systems …” „… contributing to the overall requirements for cost reduction, supporting weight reduction and improving system …” „… viscosity transmission fluids, engineering polymers no longer deliver the required performance in this …”

L. Ryali, D. Talbot A gear load distribution model for planetary gear set with a flexible carrier S. 809-822

„… also affect the system’s behavior, were not considered in these studies [12-13]. In this study, a …” „… , which can capture the impact of planetary carrier-pin deformations on the system’s behavior. The model …” „… , David Talbot, Gear and Power Transmission Research Laboratory, Department of Mechanical and Aerospace …”

M. Ruzek, F. Ville, P. Velex, Y. Marchesse Windage power loss reductions in high-speed gear pairs S. 91-100

„… these load-independent losses become prominent over other sources in mechanical transmissions with …” „… transmissions. In most common gear transmission, it can be neglected in comparison to much more important power …” „… . That is why the gears do not mesh in order to avoid a very important meshing loss. The system is …”

K. Matsuo, Y. Suzuki, I. Moriwaki Simulation of tooth flank profile in the gear honing process S. 1707-1724

„… System Development Department, JATCO Ltd, Kanagawa, Japan; Dr.-Ing. Yoshitomo Suzuki, Kenichi Fujiki …” „… vehicle interior quietness in recent years, there has been a need for low-noise automotive transmission …” „… transmission gears undergo tooth flank modification because of the requirements for strength and noise …”

A. Spatzig, N. Fujimura, T. Monden, T. Kikuchi, K. Yoshikawa, A. Georgoussis Machining process solutions to support the reduction of distortion in ring gears after heat treatment S. 1635-1646

„… Aachen University Abstract Ring Gears are present in all types of modern transmissions and need to …” „… , the surface quality of the ring gear impacts the performance of the transmission. The right …” „… interaction between all parts of the planetary gear system is fundamental. While planet and sun gears are …”

G. Vasileiou, N. Rogkas, V. Spitas, P. Zalimidis Optimisation of spur gear tooth fillet for maximum bending strength using Bezier curves S. 149-160

„… . Introduction Nowadays, the increased power demands in industrial transmission systems, require the design and …” „… , the potential of spur gears in power transmission systems of high reduction ratio has not yet been …” „… order to determine the coordinates of point (3) a local coordinate system (p1Op2) is created whose …”

K. Holder, C. Salander, S. Rudolph, R. Stetter Automated requirements-driven design synthesis of gearboxes with graph-based design languages using state of the art tools S. 713-726

„… For the design of gear systems, a process is implemented in a GBDL with which gear system …” „… vendorindependent bogie platforms. Thus, vehicle manufacturers (OEMs) develop and deploy different transmissions …” „… the area of digital gear system development. Digital modeling in product design is already well …”

P. Barreiro, J. Hoffmeister, J. Hermes, A. Bronner New improvement opportunities through applying topology optimization combined with 3D printing to the construction of gearbox housings S. 1823-1834

„… 4, No. 2). Rigidity and safety of the structure were analyzed on this basis. Since the system’s …” „… carried out by removing all irrelevant parts and simplifying all force transmission points. The resulting …” „… result of topology optimization into a bionic structure using a CAD system. An iterative construction …”

M. Uhlig, C. Pastor Simulation tool-chain for plastic gear design S. 1453-1460

„… system and high dynamic pressure build-up. Bosch developed the electromechanical brake booster iBooster2 …” „… consists of an electric motor in combination with a transmission which amplifies the motor torque and …” „… system requirements, such as the load profile of brake maneuvers, service life and environmental …”

Y. Hawwari, J. Touzet, H. Andre, H. I. Cakar, I. Khelf, L. Alloin Ring gear tooth cracks detected using instantaneous angular speed: wind turbine application S. 1039-1052

„… transmission system is composed from a planetary train where the ring gear (1) is fixed. The three planet …” „… ), in series with the two parallel trains (4/5) (6/7), allows the multiplication of the transmission …” „… spectrum is analyzed to recognize the expected transmission ratios. Thus, the algorithm proposed by …”

R. Slatter Condition monitoring of gearboxes using magnetoresistive sensors S. 229-244

„… , rather than increase system complexity by adding additional sensors. Magnetic sensors based on the …” „… cases the transmission path between the excitation and the sensors can lead to a time delay …” „… sensors may change the system dynamics due to modification to overall system stiffness or to the addition …”

F. Concli, L. Maccioni, C. Gorla Power loss analysis of different high-power density gearbox typologies: CFD analysis and experimental measurements on a cycloidal gear set S. 101-114

„… transmissions can be classified, according to Niemann [4], into load dependent and load independent one …” „… domain. The solution of the system is performed with a PIMPLE (merged PISO-SIMPLE) algorithm. This …” „… stage robotic transmissions,” 2012 IEEE Int. Conf. Robot. Autom., pp. 4130– 4135, 2012. [2] C. Gorla, P …”

B. Schlecht, T. Schulze Improved tooth contact analysis by using virtual gear twins – How helpful is AI for finding best gear design? S. 203-216

„… micro geometry of tooth flank In the final step, the transmission is optimized in terms of load …” „… open source system was used. However, this may still be the focus for the future. In the following …” „… consideration all relevant influences. JSME International Conference on Motion and Power Transmissions May …”

K. Liu, H. Liu, W. Shi Investigation on dynamic behavior of differential gearing with herringbone teeth S. 1215-1222

„… counter-rotating system. Keywords: Planetary Transmission, Coaxial Counter-rotating System, Gear Dynamics …” „… : Parameters of planetary transmission system sun planet ring carrier Number of teeth 47 48 143 - Normol …” „… handle the differential equations of the transmission system with herringbone teeth. The initial values …”

Y. Zhao, Q. Meng, Z. Yang Curvature interference characteristic of conical worm gear S. 607-618

„… is rigidly associated with a coordinate system a a a a a; , ,O i j k . According to the …” „… . 2.2 Cutting meshing of enveloping conical worm The unit vector o1 k of a static coordinate system …” „… system 1 1 1 1 1; , ,O i j k is linked to the conical worm blank and utilized to denote its …”

B. Karpuschewski, T. Lierse, S. Schulze Inline-deep rolling – a new approach to increase tooth root load capacity S. 1787-1798

„… is necessary to raise the tooth root load capacity. Based on this objective a tool system was …” „… strength in industrial practice the majority of the gears used in power transmissions are surface …” „… square steel specimen, the prototype of the inline-deep rolling tool system and the tooth root deep …”

B. J . Siewerin, T. Tobie, K. Stahl, A. Dobler Flank load carrying capacity of hard-soft gear pairings S. 173-184

„… with a flow grease spray system on a modified FZG back-to-back test rig confirmed the lower load …” „… about the load capacity of such transmissions under the specific lubrication conditions. The pitting …” „… contact stress number of the present gear system to define a pitting safety SH (1). (1) Several …”

M. Trubswetter, M. Otto, K. Stahl Evaluation of gear flank surface structure produced by skiving S. 1799-1812

„… . investigate the influence of the modification parameters on tooth deviation, contact path and transmission …” „… a2 is chosen to be the origin of the Cartesian coordinate system. 0 0 0 . (3) The …” „… axis directional vector b2 is parallel to the z-direction of the coordinate system: 0 0 1 …”

X. Du, B. Chen, X. Shan Robust force control of series elastic actuator using disturbance observer S. 1111-1122

„… . To realize high fidelity force control, a high-gain control method makes system unstable. In this …” „… transmission devices for converting rotary motion to linear motion. Paine et al. [4] use a harmonic derive and …” „… system of SEA is shown in Fig. 1 that is composed of two-mass-springdamper system. In this Fig., the …”

T. Kleiber DIN Q6 meets DIN Q10 – Need for modern internal gear production S. 415-424

„… . Competition tightens specifications for e-transmissions, e.g. compact design, weight, coaxial design, double …” „… split of 30 % ICE – 40 % Hybrid – 30 % E-vehicles. Transmission engineers will do their best in …” „… classes Transmission gear noise is influenced by several failures as geometrical deviations, gear …”

M. Zapf, J. Klose, F. Zanger, V. Schulze Analysis of process forces and surface topography when manufacturing case-hardened gears by double flanked hard skiving S. 1647-1658

„… transmission components with high power density. To increase load capacity, gears are case-hardened and then …” „… requirements. Use of planetary gears, which provide high transmission ratios at high efficiency and power …” „… measuring platform from Kistler. Machine, measuring system and data processing were developed, tested and …”

B. H. Kien, D. Iba, Y. Ishii, Y. Tsutsui, N. Miura, T. Iizuka, A. Masuda, A. Sone, I. Moriwaki Vibration-based plastic gear crack detection system using a pre-learned convolutional neural network S. 1443-1452

„… Vibration-based plastic gear crack detection system using a pre-learned convolutional neural …” „… , Kyoto, Japan Abstract Failure detection of gears in transmissions plays a critical role in the …” „… construct a crack detection system of plastic POM (Polyoxymethylene) gears using a pre-learned convolutional …”

C. Liu, W. Shi, F. Maria Cura, A. Mura Prediction of transmission accuracy lifetime of RV gearbox S. 425-436

„… Prediction of transmission accuracy lifetime of RV gearbox Chang Liu, State Key Laboratory of …” „… Mechanical Transmission, Chongqing University, Chongqing, China, Department of Mechanical and Aerospace …” „… Transmission, Chongqing University, Chongqing, China; Francesca Maria Curà, Andrea Mura, Department of …”

A. Pogačnik, U. Kissling Layout of profile modifications for symmetric and asymmetric plastic gears S. 1461-1472

„… pressure, wear, power loss and transmission error. In case of applied tip and/or root relief, the …” „… important factors are the motor, the transmission elements and the housing. In this paper, only …” „… transmission optimization is discussed. NVH can be improved in different ways; for instance, selecting an …”

C. Boehme, D. Vill, P. Tenberge Extension of the application limits for crossed helical gearboxes by new geometries for smaller sliding paths or smaller contact pressures S. 1299-1310

„… known insensitivity of the transmission behaviour to centre distance deviations, there is also an …” „… transmission behaviour between the face gear and a spur gear generated by this is ideally uniform. This also …” „… ensures the uniform transmission between the two spur gears. The two spur gears mesh as a gear pair …”

B. Cao, G. Li Effect of installation errors on beveloid gears’ precision ground by cone-shape worm wheel S. 1165-1172

„… Cao, Guolong Li, The State Key Laboratory of Mechanical Transmissions, Chongqing University …” „… ) in any coordinate system. For easy calculation the solution of the meshing equation is unified in …” „… the coordinate system 4S . Therefore the surface of a beveloid gear ground by the cone-shape worm …”

A. Carbonelli Transferring knowledge about gear systems to machines in order to improve diagnosis efficiency S. 1065-1076

„… labelled data). In this paper, we discuss the possibilities of diagnosis of geared system from a naive …” „… its whole process oriented by the goal of the analysis: determine whether a given gear system is …” „… ), it means to detect any sign which can predict an incoming failure of the system to prevent it before …”

T. Pinel, J. Bruyere, P.Velex, L. Billet Parametric Study of a 3D trochoidal reducer model with involute profile S. 437-448

„… the high precision circle arc tool profile cannot be economically used, or extreme low transmission …” „… phenomenon in the reducer, the output of the system is realized by pin and bore contacts modeled as elastic …” „… define the transmission error between gears. VDI-Berichte Nr. 2355, 2019 439 Fig. 3: Circular arc …”

D. Iba, I. Moriwaki, H. Noda, H. Inoue, M. Kim Visualization of phase differences between tooth helix deviations using graph theory S. 1191-1198

„… application examples of the graph theory are system analysis of electricity transmission networks, railway …” „… noise and high efficiency transmission. It is well known that properties of gear tooth flanks generally …” „… affect not only the strength, but also efficiency and noise of the gears in transmissions. High surface …”

K. Mukaiyama, M. Nakagawa, T. Hirogaki, E. Aoyama Investigation of meshing phenomenon of hypoid gears with different offsets via high response infrared video thermography S. 505-516

„… contact area. Therefore, the transmission efficiency of such gears is lower than that of spiral bevel …” „… Co., Ltd.), which measures the meshing transmission error, was used in the driving experiments. The …” „… . Hirogaki, E. Aoyama, Y. Nakano, H. Tange, Y. Katayama, Construction of an Estimating System of Gear Noise …”

K. S. Ivanov, E. K. Yaroslavtseva Creation of gear self-controlled variator S. 1135-1144

„… ] Harries John. Power transmission system comprising two sets of epicyclic gears. Patent of Great Britain GB …” „… mechanical system [2]. However a definability of motion of the mechanism practically is absent. The …” „… definable transmission two links (3 and 5) can be as the output links simultaneously or separately. And …”

R. Saito, K. Matsuo, Y. Suzuki Noise characteristics induced by micropitting formed on particle-based parkerized gears S. 69-78

„… Saito, Dipl.-Ing. Kouji Matsuo, Hardware System Development Department, JATCO Ltd, Kanagawa, Japan …” „… for the further downsizing of transmissions for the sake of improving vehicle fuel economy and …” „… ensuring collision safety performance, among other requirements. The space allowed for transmission gears …”

T. Sturmlinger, A. Comak, A. Albers, S. Gerdhenrichs, R. H. Schmitt Methodical analysis and selection of auto identification systems in the gear box manufacturing S. 1509-1520

„… system [2] products and production systems and the development of services and business models in the …” „… process development. Two auto-ID systems, Data-Matrix-Code (DMC) and the Track&Trace Fingerprint System …” „… deploying the method “to find the right Auto-ID system”, different Auto-ID systems and optimized ID label …”

D. Marino, H. Binz, M. Bachmann Analytical design method for beveloid gears with a small shaft angle and offset S. 391-402

„… second step, beveloid gears can be designed for the given axis arrangement. Based on the system of …” „… with the index “p” and determine the tooth geometry. For the transmission ratio u, the following …” „… With the results from the pre-dimensioning process and the manual inputs, the system of equations …”

S.-J. Tsai, VDI, L. C. Chang, C.-H. Huang A study on tooth profile modification of cycloid planetary gear drive with tooth number difference of two S. 997-1010

„… in power and precision motion transmission, especially in robotics. In general, tooth number …” „… backlash in gear drives considering the influences of errors on transmission and manufacturing. Overall …” „… tooth profile effectively. The unloaded tooth contact analysis such as transmission error and backlash …”

E. Lothman, L. Kamjou, E. Claesson Gear performance beyond current standards – Implementing increased material fatigue performance in gears S. 915-924

„… enhance the system further, without altering or adding manufacturing processes. FZG of Technical …” „… the whole system. Combined, this will allow for an increase in power density. VDI-Berichte Nr. 2355 …” „… supply the system owner with the steel specification recommendations provided by the ISO for ME and …”

T. Fukuda, M. Nakagawa, T. Hirogaki, E. Aoyama Investigation of transient response motion of differential planetary gear train during reverse rotation and starting by using high-speed camera monitoring S. 331-342

„… complexity of the system, making it difficult to elucidate planet gear motions [3]. The study aims to …” „… decelerate. This shows that all gears do not decelerate uniformly. Next, the transmission delay time Td …” „… transmission is as shown in Fig. 7 (a), with the input power being partly absorbed by the carrier. 0 1 2 3 …”

I. Moriwaki, S. Doi, Asso. D. Iba, T. Yomenura, K. Haizumi Conjugate tooth profile of circular spline to involute flex gear in strain wave gearing S. 973-984

„… respectively, with the fixed flame coordinate system fS . When the elliptic cam rotates by e, the circular …” „… , Proceedings of ASME International Power Transmission and Gearing Conference, 1989, pp.607-612. [5] Shoichi …” „… coordinate systems cS and fS , which are rigidly connected to the circular spline and the flex gear …”

H. Wang, X. Wen, C. Zhou, Z. Liu Wear prediction for double helical gears grinded by forming method S. 315-330

„… . 2355, 2019 315 1. Introduction Double helical gears is a core part of the main transmission system of …” „… contact model to calculate the contact pressure. A new coordinate system, in which the contact line is …” „… three-dimensional finite element contact model to calculate the contact pressure. A new coordinate system, in which …”

A. Kubo Influence of stressed volume of tooth flank on the surface durability S. 15-24

„… . Introduction The first design condition of speed changing gear box is to realize the transmission ratio. On …” „… . The tooth flank damage develops in the positive feedback system as shown in Fig.6. The triggering …” „… system of failure development, and as the result, almost whole dedendum tooth flank becomes severely …”

F. Siglmuller, U. Weinberger, J. Gotz, M. Sedlmair, T. Lohner, K. Stahl Scaling of planetary gear stages according to gear loss similarity S. 115-126

„… configuration, the electrical motor driving the test rig only has to provide the power losses of the system …” „… modern, state of the art high power planetary transmission is the power gearbox of the Rolls-Royce …” „… , the following aspects have to be considered: Lubrication system: Preferably usage of the same …”

H.-J. Dennig, S. Monn, A. Vodermayer Thermoplastic high performance composite gears S. 1279-1290

„… decreases continuously until it is too low for force transmission. The teeth soften or are pushed away …” „… superior to other gear plastics (e.g. polycarbonate, polyethylene), especially for power transmissions. At …” „… transmission. The teeth soften or are pushed away within a very short time. Tooth root fract r Too high …”

J. Brimmers, M. Willecke, C. Lopenhaus, C. Brecher Investigation of the potential of using surrogate models in the gear design process S. 727-740

„… requirements, e.g. transmission ratio and maximum design space. This degree of freedom leads to a huge …” „… simulation are used to fit a surrogate model to the given input variables in order to approximate the system …” „… behavior of the engineering system. Possible approximation types for surrogate models are shown in Figure 1 …”

K. Daubach, Manuel Oehler, Bernd Sauer A method to determine local wear of worm gears with highly resolved circumferential backlash curves S. 595-606

„… includes a wear measurement system that uses the causal relation between wear and an increasing …” „… widely used in transmission applications, since they allow gear drives with a compact design, high gear …” „… torque. Couplings are used for torque transmission (2), (4), (8). Torque and speed are measured at the …”

K. Lubke Virtual gauge for splined shaft-hub joints – Quality inspection and assembly of involute splines in the context of Industry 4.0 S. 1497-1508

„… is transmitted via multiple flanks. A steady transmission of the torque via all flanks requires high …” „… transmission. In contrast to the 20° specified in DIN 867 [2] the pressure angle is larger. DIN 5480 and ISO …” „… there are three degrees of freedom in the datum coordinate system (Figure 7a): translation in x- and …”

J. Hongu, H. Noborio, T. Koide, A. Tamura Proposal of linear mapping model among machining processes for gear tooth surface using graphic analysis S. 1199-1206

„… homogeneous coordinate system (i, p, 1) is used in this study, and then the sets of scale f the featured …” „… . Kageyama, N. Kato, S. Kato and T. Ohmori Total Vibrational Excitation and Transmission Error of Gears as …” „… Index of Vibration and Noise of Power Transmissions, JSME C, Vol. 56, No. 532, p. 3404-3409, C, 1990 …”

Z. H. Wu, Y. Q. Xu, K. A. Liu The Analysis on Grease Lubrication at Two Tapered Bodies Contact Considering Surface Roughness S. 1223-1236

„… in transmission or supporting mechanisms is a contact of two non-equal cross-section bodies, such as …” „… coordinate system o-xzy is established in the contact plane. The coordinate origin is at the middle of …” „… clearance δ(x, y) in the contact coordinate system o-xzy is yx f pfcfyx f pscfyxδ ,,, rTrT …”

H. Aurrekoetxea, I. Ruiz de Ocenda Experimental and theoretical study of load mesh factor for different boundary conditions in wind gearbox planetary stages S. 835-844

„… with JRD Transmission Dynamics instrumentation partner is used to install a bespoke electronic system …” „… conditions, such as the number of planets, system flexibility, manufacturing and assembling errors and …” „… order to achieve accurate calculation and improved gear system sizing, tolerancing schemes, and torque …”

L. Stocco Complementary strengths of orbitless & planetary drives S. 1485-1496

„… Planetary and Orbitless drives are simulated side-by-side in a common SimulationX Multi-Body System (MBS …” „… . The associated total system power loss and corresponding efficiency are plotted in Fig. 3. As expected …” „… gear meshes. Fig. 3: Total System Power Loss & Efficiency Noise is not explicitly measured by …”

R. Beilicke, L. Bobach, D. Bartel Transient 3D TEHL simulation of spiral bevel gears under mixed friction conditions S. 529-540

„… to each other in any meshing position at the point of contact, resulting in a continuous transmission …” „… octoid. Within the Cartesian coordinate system (x‘,y‘,z‘), according to Figliolini and Angeles [5], any …” „… bevel gears [2]. Fig. 3: Line of action and local Cartesian coordinate system of the tooth flank …”

F. Rudolph, S. Schumann, B. Schlecht Consideration of solid particles in a gear lapping simulation S. 1675-1686

„… hard finishing hypoid gears for appliances with high demands regarding transmission noise. The absence …” „… for different applications. In Archard’s theory, the tribological system consists of two …” „… , however, is dependent on the actual tribological system and needs to be determined experimentally …”

B. Mahr, A. Pogacnik, A. Langheinrich Derivation of tooth stiffness of asymmetric gears for loaded tooth contact analysis S. 937-948

„… the resulting lower contact ratio. The transmission error, which can be evaluated with a loaded tooth …” „… y-axis of the coordinate system is defined to be normal to the plane. The intersection point of the …”

T. Inoue, S. Kurokawa Improving the Estimation accuracy of fishing reel sensation caused by gear vibration using tactile response delay time S. 1123-1134

„… , I., Handbook of physiology: The nervous system. Bethesda, MD: American Physiology Society 1984, pp …” „… . and Kurokawa, S., Influence of waveform components derived from the transmission error of a face gear …”

M. Geitner, T. Tobie, K. Stahl, B. Zornek Investigations on the pitting load capacity of internal spur and helical gears S. 301-314

„… systems but also in automotive applications such as automatic transmissions, planetary gear drives are …” „… turbine systems and automatic transmissions for vehicles. Due to several requirements considering improved …” „… . Recently, the continuous increase in required power density of transmission systems enhances the risk of …”

V. I. Goldfarb, E. S. Trubachev, K. V. Bogdanov, T. A. Pushkareva Prospects of manufacturing spiroid gears with small gear ratios S. 1665-1674

„… in scheme of the Cyclo palloid system (Oerlikon and Face Hobbing [11]). b) a) VDI-Berichte Nr …” „… Families of Generating Lines. “Theory and Practice of Gearing and Transmissions. In Honor of Professor …”

A. Miltenović, M. Banić, V. Miltenović Prediction of heat generation of crossed axis gearbox S. 583-594

„… bevel or cylindrical gears. Their operation is followed by high power losses of the transmission and …” „… . Introduction Crossed axis gearboxes are compact and can provide high transmission ratio in just one gear pair …” „… benches with a center-to-center distance of 30 mm. The transmission of the asynchronous motor was mounted …”

J. Tavčar, J. Kos, D. Zorko, J. Duhovnik A multi-criteria polymer gears design optimisation procedure S. 1473-1484

„… example of the geometry and transmission ratio is taken from a planetary gear drive (Fig. 1). Planetary …” „… measures also increase the size of the transmission drive, which is not always acceptable. An alternative …” „… ), z1 = 20, z2 = 20 … 100), transmission ratio is increasing from 1 to 5. 0 10 20 30 40 50 60 70 …”

A. Mihailidis, A. Psarros FEM analysis of the load distribution over the face width of helical gear pairs considering deviations, misalignments and deformations S. 193-202

„… misalignments that need to be considered which are caused from both manufacturing and torque transmission …” „… of other members of the transmission besides the gear teeth. Furthermore, manufacturing deviations …” „… analysis based on generalized loaded static transmission error and dynamic investigation of wide-faced …”

U. Kissling, U. Stolz, A. Turich Combining gear design with manufacturing process decisions S. 1533-1544

„… is provided by subcontractors. Additionally, gear transmission design continues to become more …” „… important. These new, smart systems include gear design, process simulation, manufacturing and metrology …”

T. Kahnenbley, G. Gravel Gear standards for reliable measurement of noise-causing gears – Quick verification of the measurement precision S. 1813-1822

„… constantly increasing. As soon as a noise excitation occurs in the transmission, tooth flank ripples at the …” „… evaluation, all-systematic orders are considered, being potentially present on the normal. The 20 largest …” „… systematic or significant deviations cannot be detected in the frame of the evaluation. Figure 7 shows …”

B. Gierl, D. Drummer spur gears S. 1367-1378

„… the pinion side, which due to the transmission of the gear pairing translates to n2 = 1308 min-1 on …” „… 2013 [4] Künkel, R.: Auswahl und Optimierung von Kunststoffen für tribologisch beanspruchte Systeme …” „… Advanced Mechanical Design, Systems and Manufacturing Bd. 12 Nr. 1 2018 [8] Rösler, J.: Zur …”

doi.org/10.51202/9783181023556

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Dritev 2023

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2420 2023

Treffer in den folgenden Teilen:

C. Gürlich, S. Demmerer, M. Winkel, K. Führer Transmission – the most underestimated part of the electric drive – Next generation transmission S. 183-196

„… considerable wear and tear on the transmission system. ZF is a leading supplier of transmission systems and has …” „… single-stage transmission, on the other hand, is the most efficient transmission system from ZF, capable of …” „… new generation of its 8-speed automatic transmission as a hybrid modular system. It is the technical …”

H. Sandquist, E. Barrientos, S. Klacar Systemized Modular Approach for Electric Drive Unit Family Development S. 89-106

„… Sub-systemsInfiMotion develops and manufactures inhouse transmission sub-system including differentials, locked …” „… design. This suggests finding a suitable complete propulsion system solution, e.g., transmission …” „… platforms require both systems in the same transmission; the shifting elements were designed in a way that …”

P. Geradts, M. Kasten, A. Landvogt Psychoacoustic optimization of the NVH behavior of an eDrive power train – Application of a Targeted Micro Geometry Scatter on Helical Gears to break-up the regularity of the transmission error excita... S. 459-470

„… the transmission error under load, considering the elastic deformation of the system and the …” „… electric drive systems has been pro-posed and evaluated for a 3-in-1 system. As an alternative to further …” „… Micro Geometry Scatter on Helical Gears to break-up the regularity of the transmission error excitation …”

Z. Liu, S. Rinderknecht A sequential adaptive sampling strategy for surrogate model construction of transmission losses S. 425-440

„… vehicle system, transmission losses have been extensively investigated with the experimental approach. In …” „… individual losses cannot be directly measured at the transmission sys-tem level, and are normally estimated …” „… A sequential adaptive sampling strategy for surrogate model construction of transmission losses …”

C. Mohr Acoustic Optimization of Electric Powertrains from a Vehicle Level Perspective S. 471-XVI

„… generated by the electric motors, transmission, or power electronics system, for example, and transmitted …” „… motor, power electronics system, and trans-mission form a single unit. In contrast to vehicles with a …” „… entire system with the lowest possible excitation, optimized transmission, and minimal emission is of …”

A. Kappes, S. Frei, P. Noone, Stephan Rinderknecht Development and Design of a Range Extended four-speed Two-Drive-Powertrain S. 253-280

„… , 07. and 08. June 2011 = Transmissions in vehicles 2011 - efficiency im-provement in drive systems …” „… connected to a two-speed sub-transmission, providing a total of four different electric speeds. This …” „… additional internal combustion engine connected to both sub-transmissions to extend the vehicles range and …”

L. Bayoux, K.-L. Kimmig, D. Reitz Has the potential in terms of weight, installation space, and function already been exhausted for hybrid transmissions? S. 205-220

„… exhausted for hybrid transmissions? Innovative component development for hybrid systems Dipl.-Ing. Laurent …” „… dedicated hybrid transmission as drive systems for hybrid vehicles VDI-Berichte Nr. 2420, 2023208 Electric …” „… developed. To this end, Schaeffler as a component and system supplier offers innovative solutions around the …”

M. Gukelberger Magna’s Dedicated Hybrid Drive DHD Duo – a Platformbased two e-Machine System S. 197-204

„… building block system for conventional and hybridized Magna dual-clutch transmissions. Other standard …” „… Magna’s Dedicated Hybrid Drive DHD Duo – a Platform-based two e-Machine System Marc Gukelberger …” „… transmission losses at the same time in parallel operation. The share of serial and parallel operation can be …”

T. Hofman, J. Van Kampen, O. Borsboom Electric Mobility Design – From Powertrain Components to Vehicle Fleet Optimization S. 391-410

„… motor, power electronics, and the transmission –, this also re-quires a system-level perspective and a …” „… discrete mathemat-ical models and optimization models and methods for system-level powertrain design. In …” „… , together with the in-creasing computational capacity in design, led to the flourishing of system-level …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… -levelinvertertopologies 107L. Roslaniec, T. Hackl, hofer powertrain, NuertingenDisconnect Actuator System (DAS) for AWD …” „… DHTTransmission – the most underestimated part of the electric drive – Next generation transmission 183C. Gürlich …” „… Drive DHD Duo – a Platformbased twoe-MachineSystem 197M. Gukelberger, Magna Powertrain …”

J. Jennings, D. Finn, T. Hunter Novel Multi-Functional Clutch Technology for EV Drivetrain Disconnects – Next Generation Disconnect with One-Way-Clutch for Automatic, and Non-Blocked Shifting S. 325-338

„… • Smooth shifting. Note that EV systems do not mask NVH as compared to ICE systems. • System must be …” „… and the shift interruption challenges associated with dog clutch systems. The DCC system offers fast …” „… system with integrated disconnect. • Shift system with integrated park-lock. Shift systems with …”

D. Schweigert, B. Morhard, F. Oberneder, L. Pointner-Gabriel, M. Otto, K. Stahl Speed4E: Simulative and Experimental Results on the Vibration Behavior of a High-Speed Planetary Gearbox S. 441-458

„… . RIKOR is a software for calculating the elastic load and deformation behavior of transmission systems …” „… electric motor speeds of up to 50,000 rpm, combined with a torque of up to 45 Nm at the transmission input …” „… the whole system. This can be achieved by increasing the driving speed of the electric machine, since …”

J. Gindele, F. Faistauer The Future of BEV: High Performance Without Compromising Driving Efficiency S. 37-44

„… variants. The data showed somewhat greater differences in the transmission losses. Namely, the losses …” „… powerful motors allow for transmissions with longer ratios and thus reduced losses. VDI-Berichte Nr. 2420 …” „… “complementary” use of both primary and secondary of the eAWD system. Figure 5 shows a consideration of all the …”

C. Reumüller, M. Sedlmair, M. Hein, A. Damm Transformation from conventional to electric powertrains Challenges in testing mechatronic shifting systems S. 359-376

„… elements are mechatronic systems, the main difference in system testing these shift elements is the two-way …” „… systems. In the first part of the paper the focus was laid on explaining the HOERBIGER emDOC system and …” „… : System Engineering for Faster, Cheaper, Better, Center of Systems Management, 1998. [8] Verein Deutscher …”

J. Bonifacio, V. Warth, S. Scharr Optimizing sustainable high-performance e-drives S. 349-358

„… , transmission, inverter and cooling system can be started. Using an efficient cooling strategy and advanced …” „… , W., Warth, V.: System Optimization for 800 V e-drive Systems in Automotive Applications. ATZ …” „… e-drive system. The extensive use of holistic system optimization and the related computation and …”

R. Fehrenbacher, P. Duck, K. Bause Ways to increase sustainability by expanding product development processes for vehicles using the example of a hybridized automated transmission S. 411-424

„… example of a hybridized automated transmission Development methodology and modular system design of …” „… systematically mapped. Based on this reference system, subsystems of a new system are developed through three …” „… . For this purpose, the foresight results are usable in a systematic design for target system building …”

T. Schneider, K. Völkel, K. Stahl Failure Characteristics of Wet-Clutches in Limited Slip Differentials S. 307-324

„… friction linings of Friction Systems 1 and 2. For Friction System FS3, thinner thicknesses of the friction …” „… , have increased the power density in transmissions over the last decades [1]. Consequently, wet …” „… service life, loss behavior, and shifting comfort. Failure of wet-running clutches in vehicle transmission …”

J. Ahn, S. Yang Disconnect Actuator System (DAS) for AWD EV’s Driveline – Increasing electric efficiency, Seamless shifting system S. 115-130

„… Disconnect Actuator System (DAS) for AWD EV’s Driveline Increasing electric efficiency, Seamless …” „… shifting system Jongbae Ahn, Sedong Yang, Hyundai-Transys, Hwasung, Korea ABSTRACT This paper proposes …” „… DAS (Disconnect Actuator System), a system that is applied to EV’s Driveline to improve electric …”

C. Gropp Leading sustainable transportation: Bringing our vision to the road S. 1-12

„… required Dipl.-Ing. (BA) Christian Gropp, Director R&D e-axles, axles and transmissions, Daimler Truck AG …” „… displacements from 4 to 16 liters and transmissions with up to 16 gears, a large variety of axle ratios as well …” „… Beyond that, Daimler Truck also presented an Actros based truck with a Fuel Cell system, indicating that …”

M. Magnusson, O. Nicklasson, H. Jacobsson Electric Cross Differential, eXD S. 235-252

„… versions, the oil is shared with the transmission. VDI-Berichte Nr. 2420, 2023236The friction system …” „… system.Figure 2, eXD (off-axis) sectioned viewThe friction system consists of friction discs with intermediate …” „… pressurized hydraulic fluid separated from the friction system.Figure 2, eXD (off-axis) sectioned …”

B. James Demonstration of a Cloud-based Gearbox Digital Twin – Using telematics data for reliability predictions S. 165-182

„… micro-geometry is introduced to accommodate misalignment from system deflections, impacting gear stress and …” „… the system was set up to provide insight into what the results mean. This will be the focus for the …” „… contribute to the likelihood of failure of the complete system, plotting all the vehicles together makes …”

A. Freiburg Virtual development – optimized E-Drive selection by system simulation S. 73-88

„… Virtual development – optimized E-Drive selection by system simulation System model based on …” „… automotive industry. VDI-Berichte Nr. 2420, 2023 73Benefits of system simulation:  Reduced development …” „… time having the system model available for the quotation phase up to 6 months earlier of physical parts …”

R. Plavullathil, M. Rihn, C. Bridier Marelli’s eAxle family strategy – Agile answer to a moving EV market S. 281-294

„… , disconnect and pump control. Finally, regarding the transmission, multi-speed and parking systems are …” „… owned by Marelli – will be focused on a system approach for optimized integrated e-axle solutions. The …” „… venture will have a facility for production, prototyping and testing on-site. E-axles are a key system of …”

doi.org/10.51202/9783181024201

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LAND.TECHNIK AgEng 2019

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2361 2019

Treffer in den folgenden Teilen:

R. Himmelsbach, J. Pohlenz, K. Grad eCVT for Tractors – Continuously Variable Driving and Electric Power for Implement Drives S. 127-134

„… power-split, continuously variable transmissions from ZF must be taken into account in system evaluation …” „… transmission concept. On the one hand, we can expand the existing system to include an additional electric …” „… a DHT available on the market which is designed as an electric power-split transmission system …”

S. A. Duppong, M. Kuhl, O. Delvaux Production System Optimization with Electrified Powertrain S. 421-426

„… transmission to demonstrate increased system productivity and reduced input cost while also preserving soil …” „… Production System Optimization with Electrified Powertrain Steven A. Duppong, Marcus Kuhl, John …” „… transmission (IVT™) with the integrated ability to offboard electrical power to implements. The Joskin slurry …”

G. Pasch, G. Jacobs, G. Hopfner, J. Berroth Multi-Domain Simulation for the Assessment of the NVH Behaviour of a Tractor with Hydrostatic-Mechanical Power Split Transmission S. 19-28

„… noise caused by transmission excitations. Due to numerous interactions and couplings within the system …” „… cost-effective measure along the sound transmission chain, a system model is needed that considers the entire …” „… Hydrostatic-Mechanical Power Split Transmission G. Pasch, M.Sc., Prof. Dr.-Ing. G. Jacobs, G. Höpfner, M.Sc …”

C. Gentz, G. Jacobs, C. Wyrwich, J. Munch, M. Marsel, M. Lindner, T. Herlitzius Electric mechanic power split PTO for implements S. 119-126

„… Fig. 2: Favoured transmission structure The implement drive is developed as a modular system which …” „… implements. Its current design as a mechanic, manually switchable transmission enables efficient power …” „… transmission, but does not provide the variability needed for automated optimization of the operating points …”

S. Igl, G. Grommer, M. Auer, K. Grad Power Trains, Electric Drives and Mobile Hydraulics S. 135-144

„… systems (eTRAC). A consideration of market and system requirements, challenges and methods for finding …” „… continuously variable transmissions and integrated generator systems for tractors, which provide electrical …” „… of transmission ratios. With computer-aided synthesis [5], it is now possible to systematically …”

H. Schallermayer Next Machine Management – A new Ag-Software generation S. 77-82

„… . Part of the system is also the module Guidance Information Transfer. You can transfer all relevant data for guidance systems …” „… Management system for automatic documentation, task planning and live agricultural telemetry. The universal …” „… system uses ISOBUS DDIs (data dictionary IDs) as process data information for automated data detection …”

G. Bombarda, T. Maxeiner Remotely Controlled Electro-Hydraulics ready for the IoT S. 289-294

„… systems. The concept of electrohydraulic sub-system is so applied to off road vehicles and implements b …” „… integrated with the pump. A second step is to ease the mounting of this system, and for this reason all …” „… Electro-Hydraulic pump. Data can be read and sent and the system is compatible with IoT principles. Another …”

H. Neurath, L. Frerichs Approach to reduce the complexity increase in development processes of mobile machines S. 265-272

„… transmission. The program sequence for determining the most suitable system configuration is discussed below …” „… heterogeneity leads to an increasing development effort. In [8] a list of 54 possible power split transmission …” „… GRIMME potato harvester. Technology independent description Due to varying system technology, the …”

H. J. Nissen, A. Kluge, D. Cowan, N. Shafer DataConnect – A solution for Cloud to Cloud data exchange S. 83-90

„… enabling the system providing the equipment information to send updates to subscribed systems, the data …” „… Farm Management Information System (FMIS) in the office once had to be handled through files on memory …” „… system in Fig. 1. Fig. 1: Situation so far - OEMs have independent portals However, the challenge for …”

M. Sax, R. Latsch, T. Anken, V. Moser, P. Krummenacher Automated site-specific overseeding of grassland S. 165-228

„… implemented for powershift transmissions. In this case, instead of adjusting the engine speed, the system …” „… control the system, because for tractors with continuous variable transmission the wheel velocity is the …” „… System Functional components of retrofit and OEM SprayMon Systems (see Fig. 6) are: - CW Doppler …”

S. Liljenberg, M. Frederiksen, T. H. Langer Methods to evaluate steering performance of agricultural tractors S. 29-34

„… transmissions to reach speeds of 50-60km/h, still using hydraulic steering systems. With higher speeds, a …” „… design engineers on front axle and steering system design, but also poses a challenge on how to test and …” „… tests normally needed for a statically founded evaluation of the steering system. To quantify steering …”

M. Piechnick Multi-domain simulation of agricultural system solutions S. 281-288

„… Multi-domain simulation of agricultural system solutions Dr.-Ing. Martin Piechnick, marpitec GmbH …” „… it gets more and more important to adopt a holistic view on the entire system while optimizing the …” „… machines makes it necessary to care for interdisciplinary system approaches and development methods based …”

T. Fedde, M. Peeters, R. Stirnimann Soil pressure and pulling behavior of standard and half-track tractor chassis concepts S. 35-46

„… transmission configuration with CVT transmission. The results are, that the CLAAS Terratrac track system …” „… track systems. The oval track system with friction drive concept of the AXION 960 Terratrac at the rear …” „… tractor and can also result in a pitch effect of the track system, depending on the design of the track …”

A. Volbracht, J.-H. Wolker, J. Jeninga TIM empowers cross vendor couples to higher performance S. 573-XVI

„… overall system. VDI-Berichte Nr. 2361, 2019 573 The AEF has taken the basic idea of TIM and made decisive …” „… the leading role if the data transmission is safe and absolutely reliable. For this purpose, AEF has …” „… for higher productivity of the overall system. Automatic processes replace manual operation and …”

M. Ehrl, G. Happich Advanced On-board Electronics Architecture with Automotive Ethernet S. 107-112

„… ‐ Engine Engine Engine OBD AGR Actuator VTG Actuator Odometer Transmission EDC Engine Control …” „… AUX Valves Nmax = 8 AGR Actuator VTG Actuator Valve Odometer Transmission EDC Engine Control …” „… , B. and D. Bollati. (2017). IEEE 100BASE-T1 System Implementation Specification. Version 1.0. OPEN …”

D. Peitsmeyer Hydraulics in electrified machines – Electrification needs high efficiency S. 145-152

„… transmission of rotation into translation, e.g. with threaded or ball rolling spindles. Construction machines …” „… controlled in a simple manner and have no consequences for the components. In the hydraulic system, the …” „… , the costs of the drive system with electric motor and pump per cylinder must be weighed against the …”

S. Pfaffmann, F. de Moraes Boos, N. Tarasinski, V. Kegel Swarm Unit – Development of a Fully Electric Agricultural Machine with External Power Supply S. 401-408

„… the system to 300 kW. This technology serves as the foundation for the following developments shown in …” „… agricultural system with an unmatched level of power density, by both increasing the installed power and …” „… Unit shall have a ballasting system to adjust the weight according to the requirements of different …”

V. Stocklin, M. Zimmer Development of future machine concepts for the needsbased fertilisation of individual plants – The RAUCH MultiRate dosing system for pneumatic spreaders AERO GT and AERO X S. 447-454

„… machine concepts. The main system-dependent disadvantage of the twin-disc spreader is the extremely large …” „… . Using the MultiRate system in conjunction with section control systems reduces the overlap in …” „… RAUCH MultiRate dosing system for pneumatic spreaders AERO GT and AERO X M.Sc. Volker Stöcklin, M.Sc …”

P. Sivasothy, G. Bulun, J. Seewig, J. Imwalle Implementation of a Dynamic Product Development Method for Agricultural Engineering Based on Virtual Prototypes S. 273-280

„… manufacturer have shown that the conveyor belt is the most critical component in this system. A failure of …” „… . With novel system solutions, smaller thinking errors can often be looped along. Only through …” „… individual components of the critical system must first be modelled. Three different approaches can be …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… , Wageningen University, The Netherlands f Cyber Physical Systems Modular Multi-Purpose Battery Storage System …” „… Control, Darmstadt An Analysis of the Energy Consumption in the High-Pressure System of an Agricultural …” „… with Hydrostatic-Mechanical Power Split Transmission …”

J. Sonnen, J. Moller, A. Hammerschmidt agrirouter: First user experiences and next steps with the manufacturer-independent data exchange platform S. 69-76

„… https://my-agrirouter.com and compile their individual ECO system from the machines and agricultural software solutions they …” „… respective Farm Management Information System (FMIS). For the first time, it is possible to create …” „… courier or similar to the relevant field. Thanks to the routes (data transmission paths) in the …”

D. Engelmann, S. Becker, R. Stirnimann Transferring agricultural machines from field to the laboratory for emission check S. 479-488

„… intended engine and exhaust gas aftertreatment system are tested often on an engine test. The engine test …” „… high reproducible investigation of the engine, exhaust aftertreatment system components with their …” „… system (PEMS) [5,6,7]. Since the space on the machines is usually extremely limited and the equipment …”

M. Hinrichs, P. Pickel, R. Isermann Model-Based Chiptuning Detection of Diesel Engines S. 1-8

„… on a mass balance around the entire high-pressure system m m m m , m , ∝ ρ p, T , (1) where …” „… high-pressure system remains approximately constant, mass changes in the rail are proportional to density …” „… changes of the fuel inside the system. The fuel mass which has left the rail during an injection can also …”

X. Tian, A. Vacca, S. Fiorati, F. Pintore An Analysis of the Energy Consumption in the High-Pressure System of an Agricultural Tractor through Modeling and Experiment S. 9-18

„… for current technology and proposing new system architectures for the hydraulic systems of …” „… , 2013. [3] A. Vacca, G. Franzoni, and F. Bonati, “An Inclusive, System-Oriented Approach for the Study …” „… An Analysis of the Energy Consumption in the High-Pressure System of an Agricultural Tractor …”

M. Trimmel, P. Riegler-Nurscher, R. Streimelweger Broadband SHF Radar measurements for soil moisture estimation in the range between 1 and 18 GHz S. 347-354

„… system, Geophys. Res. Letters [2] Yap, C. W.; Mardeni, R.; Ahmad, N. N. (2015) Microwave Surface …” „… water content: measurements in coaxial transmission lines. Water resources research, 1980, 16. Jg., Nr …” „… GPR systems represents a good opportunity for contact-less and dynamic moisture analysis. GPR uses …”

T. Herlitzius, H. Fichtl, A. Grosa, M. Henke, M. Hengst Feldschwarm – Modular and Scalable Tillage Systems with Shared Autonomy S. 409-420

„… additional system cost for such modular systems. VDI-Berichte Nr. 2361, 2019412 The growth in installed …” „… system requires defined spaces for a large variety of tools, component parts and storage capacities. In …” „… addition, the interfaces for mechanical connection, power transmission and data transfer need to be …”

R. Schildroth Design and Development of an Autonomous Mower for Agricultural Use S. 153-158

„… mechanical power, drive transmission, electrical system, control system, obstacle detection sensors …” „… agricultural use has been developed. This involved developing a complete system from the ground up, including …” „… , navigation system, and the associated software. Standard software modules, obstacle sensor, and control …”

G. Molari, M. Mattetti, M. Varani, F. Paolini, S. Fiorati, P. Mancinelli, K. Štefek, C. Di Dio Field performance of Trelleborg PneuTrac tyres S. 57-62

„… Trelleborg PneuTrac 480/65R28@0.4bar Continental AC65 480/65R28@1bar Transmission Semi power-shift, 16 …” „… Dio, Trelleborg Wheel Systems, Tivoli, Italy Abstract Tractors have become heavier and more …”

doi.org/10.51202/9783181023617

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Dritev – Drivetrain for Vehicles 2020

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2373 2020

Treffer in den folgenden Teilen:

M. Saborío, O. Sarmiento, C. Böhm High efficiency electric transmission oil pump – Transmission hydraulic efficiency improvement through hybridization S. I-149-I-158

„… system are observed. This paper shows the benefits in terms of transmission and fuel efficiency for a …” „… speaking, the mechanical oil pump has been a complementary system of the transmission responsible of …” „… is assumed. 2 Assuming a 12V system and a transmission hydraulic requirement of 450W or more …”

D. Schöneberger, S. Rinderknecht, D. Reitmeier, A. Mertens Development of a transmission control for an innovative high-speed powertrain using motor-related control – Simulative approach to develop an angular position controlled engagement of dog clutches in ... S. I-195-I-212

„… necessary level of dynamics and control quality. At the system level, the transmission control is developed …” „… Development of a Transmission Control for an Innovative High-speed Powertrain using Motor-related …” „… two drive transmission Daniel Schöneberger, M.Sc., Prof. Dr.-Ing. Stephan Rinderknecht, Institute …”

D. Kieninger, J. Hemsen, G. Witham The highly integrated ModulED drive module – Holistic concept design S. I-27-I-44

„… machines, power electronics and transmission: It features a high-speed hybrid synchronous machine with six …” „… phases and injection mold polymer-bonded magnets, a high-ratio dual-speed transmission with double …” „… transmission is a 2-speed automatic transmission with ratios of 21.9 and 12.2. The challenge in transmission …”

K. Kim New high efficiency CVT for middle class FWD vehicle S. I-271-I-284

„… was newly designed to reduce the overall length of the transmission and the clutch, hydraulic system …” „… weight. In this paper, the new planetary gear, new belt & pulley system, and newly optimized systems …” „… , Hyundai Transys Inc., Korea Abstract Many kinds of transmissions have been developing and recently …”

C. A. Spangler Borg Warner’s P1 and P2 hybrid drive modules – Modular kit for P1 and P2 hybrids S. I-221-I-232

„… transmission hydraulic control system BorgWarner has solutions for both conventional 20bar and high-pressure 40 …” „… system to connect the eMotor to the transmission input shaft. Fig. 9: Self-Contained Off-Axis P2 …” „… hydraulic actuation systems. P2 On-Axis modules for Dual Clutch Transmissions and Automatic Transmissions …”

M. Deiml High speed electric drive system – A solution for the next generation E-cars S. II-49-II-62

„… High Speed Electric Drive System A Solution for the Next Generation E-Cars Dipl. Ing. (FH …” „… transmissions in one housing. The dual inverter uses an interleaving switching strategy to reduce the DC link …” „… capacitor size. The power density reaches 3,5 kW/kg on e-axle-system. VDI-Berichte Nr. 2373, 2020 49 …”

P. Tenberge, A. Alnahlaui E-drive and hybrid-drive with 2 high-speed E-motors and a 2-speed gearbox S. I-233-I-252

„… transmissions require a shifting system. Today, hydraulically or electrically driven actuators can synchronize …” „… them drives via an already explained damping traction gearset into a transmission system in which the …” „… 1 of the transmission system. The second electric motor E2 drives the shaft 4 of the transmission …”

Titelei/Inhaltsverzeichnis S. I-I-I-X

„… Transmission Systems, P. Armiroli, Valeo Engine & Electrical Systems, Amiens Cedex, France Borg Warner’s P1 and …” „… . Peter, Volkswagen AG, Wolfsburg f System integration The highly integrated ModulED drive module …” „… , Tokyo, Japan Cost efficient PHEV powertrain solution based on dedicated hybrid transmission – Cost …”

K. Sabzewari, M. Vieracker, J. Sagstetter Cost efficient PHEV powertrain solution based on dedicated hybrid transmission – Cost efficiency for small and mid-size plug in hybrid vehicle S. I-89-I-102

„… simplification of components and systems such as ICE or transmission. Most of the currently available solutions …” „… increment “system” summarizes the cost of components for other systems such as the thermal management …” „… Cost efficient PHEV powertrain solution based on dedicated hybrid transmission Cost efficiency …”

P. Lück, K. Bennewitz, J. Tousen, J. Peter The front-axle drive of the MEB – Volkswagen expands the e-drive portfolio S. I-7-I-26

„… are located in the system housing on the transmission side (A side) and in a bolted bearing shield on …” „… , including the differential, is enclosed by the transmission case and bolted onto the system housing …” „… : Single-speed transmission of ID. 4 front-axle drive 4.5 Electric axle-drive cooling system Heat is …”

P. Ramet Dedicated hybrid transmissions (DHT) by PUNCH Powerglide – Innovative concepts for optimized DHT in terms of efficiency, cost and packaging S. I-253-I-270

„… Dedicated Hybrid Transmissions (DHT) by PUNCH Powerglide Innovative concepts for optimized DHT …” „… , Strasbourg Cedex, France The Automotive industry is currently looking for efficient hybrid transmission …” „… de-contenting VDI-Berichte Nr. 2373, 2020 253 of the combustion engine and transmission. This is one logical …”

F. Brezger, A. Moser Investigation and potential analysis of shiftable form-locked one-way clutches for hybrid and electric vehicles S. I-133-I-148

„… & Function Transmissions not only enable vehicles to use their propulsion system over a wide range of …” „… the MMCM and selected application possibilities of different propulsion system layouts (conventional …” „… simulation and test results of prototypes. These are not only pure function tests like force transmission …”

C. Danzer, T. Voigt, A. Forell, M. Sens, E. Schreiterer, R. Kockisch, J. Müller, E. Schneider The systematic way to your sustainable powertrain platform – holistic and customizable – Systematical methods to investigate mobility scenarios of tomorrow S. I-385-I-402

„… development process on the system level for powertrain and vehicle, as well as a long-term product strategy …” „… whole development process, from the end user requirement through to the system release recommendation …” „… the proven synthesis methods among others for transmission, electric motor and actuation. The final …”

H. Gürbüz, S. Ott, A. Sutschet, J. Kern Highly efficient clutch system for multispeed BEV S. I-119-I-132

„… . „Potentials for improving the system behaviour of highspeed clutches for BEV using optimal transmission …” „… Technology (KIT), ensures the system-side validation of the clutch (Fig.1). [5] VDI-Berichte Nr. 2373, 2020 …” „… Highly efficient clutch system for multispeed BEV M.Sc. H. Gürbüz, IPEK – Institut für …”

G. Gardner Ford MACH-E Primary Electric Drive Unit S. I-1-I-6

„… integrated e-transaxle consisting of a high voltage motor, inverter and system controller, final drive …” „… gearing, lubrication system, and a mechanical park mechanism for securing the vehicle. This architecture …” „… all-electric propulsion system. Drive for Electrification As global CO2 standards become more and more …”

S. Worrall, J. Foulsham, I. Stone, T. Gassmann CeDrive – Electric drive technology for a new era – Advanced cooling and control of high-speed eDrive S. II-33-II-48

„… extensive experimental testing have been used to design and validate EDU component design and system layout …” „… continuous power and system efficiency in the driving cycle. This comes with the desire for smaller, more …” „… transmissions. To address all these new challenges GKN started the project ACeDrive, presented in this paper …”

T. Casper, G. Spengler, M. Bromberger The high-efficiency fully electric drivetrain of the new Porsche Taycan S. I-289-I-304

„… and rear axle transmissions. The two-speed rear axle transmission is a particular highlight. It is the …” „… first transmission developed by Porsche in-house in more than 25 years. Consistent optimizations of …” „… efficiency and constructive weight reduction measures are shown. The resulting transmissions are predestined …”

P. Ramminger, R. Jäger Evolution of the drivetrain and high voltage system in the new Corsa-e S. I-173-I-194

„… Evolution of the drivetrain and high voltage system in the new Corsa-e Dr. Peter Ramminger, Dr …” „… until arrival in a BEV’s energy storage system, and further assuming a BEV car with 15 kWh per 100 km …” „… season due to cabin heating and entire HV system conditioning as well as some other friction and aero …”

F. Völkel, M. Tietz, A. Schamin, S. Giehl Rolling into the future – Bearing solutions for electric mobility S. I-103-I-118

„… processing areas, offers a system-level downsizing potential. The sensor alignment is unnecessary and the …” „… conventional transmissions. This is true for mechanical properties such as high speed capability and smooth …” „… electric axle in lay-shaft design with the bearing positions for the rotor shaft and for the transmission …”

S. Demmerer Next generation electric drives S. II-63-II-74

„… . Looking at highly developed automatic transmissions, with many generations, it is obvious, that the …” „… disconnect and 2-speed transmissions, the mechanical gearbox will be extended and equipped with actuators …” „… shaped like an automatic transmission. VDI-Berichte Nr. 2373, 2020 69 Plug-In hybrid transmissions show …”

A. Manelli, F. Filippo Irato, C. Cavallino, R. Gay e-FDU: Concept, develop & industrialization of a novel P4 powertrain – From concept to industrialization of a novel P4 powertrain in 24 month S. I-45-I-78

„… actuation system layout. Like all the classic actuator systems it was constituted by a pump, an accumulator …” „… system is tested, e-FDU + inverters, and all the necessary auxiliary systems, like lubrication oil …” „… installation constraints and introduction of new features to allow a more controllable system. Dana Graziano …”

T. Korb, M. Nussbaumer, S. Rinderknecht Generic optimization environment and knowledge-based guided evolutionary algorithms for automated transmission calibration – Method to generate a knowledge base through impact analysis of parameters a... S. I-355-I-384

„… represent the system behaviour – in this case the transmission and the TCU – simulation models are built up …” „… transmission calibration Method to generate a knowledge base through impact analysis of parameters and …” „… . Abstract The effort for calibration tasks regarding the transmission control unit and especially the …”

D. Vietze, M. Hein, K. Stahl Method for a cloud based remaining-service-life-prediction for vehicle-gearboxes based on big-data-analysis and machine learning S. I-403-I-416

„… ., Tobie, T. u. Stahl, K.: Test method for time-scaled fatigue tests of gear transmission systems …” „… and kinds of machinery. 2. Motivation Transmissions are a key component of vehicle drive trains …” „… every gearbox are the gears, realizing the transmission of the engine torque and reducing or increasing …”

L. Wittmann, M. Wein, M. Wolf Consistently quattro S. I-159-I-172

„… non-selectable two-stage transmission. However, it is software that makes these two axle drive systems quattro …” „… flexibility of the Torsen differential, the anti-lock braking system remained effective whenever it was …” „… car into the bend. The system thus counteracts any tendency to under- or over-steer. The RS series …”

A. Esser, T. Eichenlaub, S. Rinderknecht Real-driving-based comparison of the eco-impact of powertrain concepts using a data-driven optimization environment S. I-309-I-342

„… the transmission system in Gear ratio of the transmission speeds to iEM,Hybrid Relative ratio of …” „… speeds and accelerations, compared to the pool-vehicle profile. During highway driving, the ACC system …” „… sub-transmissions TM1-TM3. The resulting tractive force is transmitted to one of the wheel axles. A specific …”

P. Schwanemann, T. Pfund Market-driven electric motor designs from Schaeffler – Optimized electric motor design process via technology and production kits S. II-1-II-16

„… combine electric drive systems, transmissions, combustion engines and several energy sources like gasoline …” „… system variants requested on the market is still huge. Specific optimized electric drive systems and …” „… , battery voltage levels and different transmission arrangements already lead to a massively increased …”

P. Cholvy, P. Armiroli 48V eDRIVE Modularity: An answer to eMobility complexity S. I-213-I-220

„… Transmission Systems, Dipl.-Ing. Paul Armiroli, Valeo Engine & Electrical Systems, Amiens Cedex, France …” „… . Fig 2: PSA O2C System specification per segment Vehicles electrification leads to a variety of …” „… eDRIVE system. This product has been optimized for package, NVH, efficiency and cost. Fig 9: 48V 25kW …”

G. Gardner 10R80 – Cost efficient modular hybrid transmission (MHT) S. I-285-I-288

„… 10R80 MHT Cost Efficient Modular Hybrid Transmission (MHT) Greg Gardner, Ford Motor Company …” „… accomplish this a modular hybrid architecture that was an add on to the existing 10R80 transmission was …” „… Transmission Plan. The resulting transmission was integrated and assembled by Ford in conjunction with our …”

K. Sakai, T. Kishimoto, T. Kobayashi, T. Maekawa, T. Shinohara, M. Ogawa Development of the new chain CVT for middle capacity S. I-79-I-88

„… which has enlarged ratio coverage and new hydraulic system. This article introduces devices and those …” „… density, and constantly high transmission efficiency over the overall ratio. As a result, the base …” „… % compared to the previous CVT by reducing hydraulic and stirring loss (Fig3, 4). Fig. 3: Transmission …”

D. Evenschor, P. Tenberge, M. Wolkerstorfer Package-optimized configuration of transmission elements for automated design concepts – Design concept generation based on results of transmission synthesis S. I-417-I-434

„… Package-optimized configuration of transmission elements for automated design concepts Design …” „… concept generation based on results of transmission synthesis M.Sc. David Evenschor, BMW Group …” „… eines durchgängigen Beispiels veranschaulicht. Abstract For transmission development it is …”

doi.org/10.51202/9783181023730

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Powertrain Systems in Mobile Machines 2022

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2402 2022

Treffer in den folgenden Teilen:

R. Himmelsbach, J. Ziegler, E. Nachbaur eCVT for Tractors – Experience report about potentials and challenges S. 223-232

„… requirements on the tractor system have motivated ZF to further develop and improve these CVT transmissions …” „… sys-tem at the same time. In the past, computer-aided synthesis and analysis of different transmission …” „… result, it was shown that the ZF TERRAMATIC transmission system with outstanding low power demand for the …”

R. Morrison, J. Legner Future Electrified Drivetrain for Off-Highway in the 60-80kW Power Range S. 163-170

„… different applications. ZF is offering the 2eCD50-90 transmission with axles as a system solution for an …” „… wheel loaders. Inline with market demand, the focus has been on system solutions for compact machinery …” „… using single speed transmissions and low to high voltage electric motors. But when considering the …”

L. Serrao Driving the electric transformation – The evolution of off-highway powertrain S. 135-150

„… transmission system is designed considering together electric motor, inverter, gearbox, and control, and …” „… developed to address them at sys-tem and component level, including examples based on a case study. 1 …” „… trans-missions, with fewer speeds, compared to ICE applications. e) Electric motors are fully reversible, so …”

T. Woopen, S. Hammes, S. Bild Solutions for a needs-based range optimization of battery-electric vehicle platforms S. 127-134

„… efforts for the exhaust gas aftertreatment system) is connected to an electric motor via a transmission …” „… (7) Transmission oil cooler (8) Cooler HV system Fig. 02: Range extender based on conventional …” „… hydrogen, too. (1) H2 Engine (2) Electric Motor (3) Inverter (4) Transmission (5) H2 tank system (6 …”

S. Rinderknecht, S. Foulard, R. Fietzek Resource-efficient dimensioning, usage and maintenance of machine components through AI-based virtual sensors S. 241-XII

„… the virtual sensor, a load & lifetime monitoring system is deployed. Especially for transmissions, the …” „… or pressures in a brake system and electrical values like currents and voltages. The data generated …” „… train a virtual sensor for a transmission of a specific type of mobile machine requiring low memory and …”

S. Mutschler eLION: A New Platform Approach for the Electrification of Mobile Machines S. 151-162

„… Diesel-hydraulic systems, the requirements to the implement pump system highly depend on the application. However …” „… . Increased requirements to efficiency and noise lead to innovations, both on system and component level. In …” „… this paper, system solutions for the drive train and the implement function are presented, based on the …”

T. Bögel, T. Herlitzius Wann kommen elektrifizierte und sensorgesteuerte Antriebssystemmodule in der Landtechnik? S. 211-222

„… units for mobile work machines. Due to the high power density, the power and power transmission to …” „… transmission in combination with a discharge tank including an electrically driven axle from Joskin. The …” „… corresponding control of the machine. Using the example of the "Kronos" tool system, consisting of the actual …”

F. Wohlfahrt, T. Göres, S. Terörde, L. Frerichs Decarbonization Strategies for Heavy Duty Harvesting Machinery S. 47-64

„… needed to enable systems that can play out their advantages against existing mechanical transmission …” „… . VDI-Berichte Nr. 2402, 2022 57 Fig 9: Specific system costs of different gas storage systems for the depicted …” „… throughput enhancements regarding the needed specific power. The effect regarding the system efficiency gets …”

W. Breu, L. Reuter HELIOS – A hydrogen-electric operated tractor system S. 95-104

„… 100 kW electric motor – the power source for the transmission. To keep the system simpler, in a first …” „… HELIOS – A hydrogen-electric operated tractor system Dipl.-Ing. (FH) Wolfgang Breu, AGCO GmbH …” „… prototype HELIOS (hydrogen-electric operated tractor system) is presented and challenges to the planned use …”

A. Kampker, H. H. Heimes, M. Kehrer, S. Dünnwald, S. Hagedorn, S. Biegler Integration and modularization approaches for fuel cell solutions in commercial vehicles S. 171-184

„… : Hydrogen storage density at system level In addition to the storage systems, the available energy …” „… day. This leads to a hydrogen storage system of around 30 - 80 kg. The reason for the very high …” „… Climate Agree-ment. System design for a cross-platform vehicle application with different vehicle …”

M. Birk, S. Biel Potential and Implementation of Neural Networks on Volume Production Control Units for Off-Highway Applications S. 233-240

„… implementation using the example of predicting the clutch temperature in a ZF transmission. 1. Motivation In a …” „… classic hardware-oriented software environment, complex functions on transmission control units (TCU) are …” „… complexity of transmission functions, the effort for software development and application increases as well …”

doi.org/10.51202/9783181024027

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Dritev 2022

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2401 2022

Treffer in den folgenden Teilen:

J. Gindele, U. Franzmann, L. Herdle, A. Pawlenka The Magna 7HDT400 for BMW’s new 48V hybrid drive family S. 1-12

„… Magna's 7HDT400 48V hybrid dual-clutch transmission as stand-ard. As the system output, BMW specifies …” „… over from the wheel brake to the regen-erative system. This interaction between the transmission …” „… regulatory requirements. BMW has chosen the Magna 7HDT400 hybrid transmission to reach its targets while …”

K. Lee, M. Song, S. Lim Multi-body Dynamics of a Vehicle Axle System Based on a Time-varying Gear Mesh Model for Investigating Hypoid Gear Noise and Vibration S. 185-196

„… excitations coincide with the system’s natural frequencies. Compared to measurements, the predicted values are …” „… Multi-body Dynamics of a Vehicle Axle System Based on a Time-varying Gear Mesh Model for …” „… drivetrain system. In order to identify the dynamics of the drivetrain system, the drivetrain system coupling …”

T. König, L. Stütz, L. Bauer, M. Kley Model-based simulation of a longitudinal dynamics vehicle model with a single-wheel drive S. 381-396

„… powertrain. The trans-mission efficiency is modelled accordingly. The whole efficiency model is measured on a …” „… processes. Due to the single-wheel drive, a transmission with electric motor must be modelled for each wheel …” „… , takes idealized electric motors, transmissions and vehicle data into account. The efficiencies of the …”

A. Eßer, J. Mölleney, S. Rinderknecht Potentials to reduce the Energy Consumption of Electric Vehicles in Urban Traffic S. 133-152

„… shifting. Normally, a two-speed BEV with a single EM requires a transmission system including a friction …” „… comfort. But such transmissions systems generally result in higher costs and a reduced overall efficiency …” „… vehicle dynamics, the design of the transmission ratio in battery electric vehicles (BEV) is analyzed for …”

M. Hein, S. Prinke, A. Damm, P. Fischer Testing of shift elements – Standardized Methods, State of the Art and Future Challenges S. 73-94

„… Synchronizers are key elements in modern Dual-Clutch (DCT) or Manual (MT) Transmissions. They enable the easy …” „… synchronizer system consists of different components that are shown in Fig. 1. During the synchronization …” „… : Synchronizer System (triple-cone system) Multi-Plate Clutches Clutches for PC and CV are used in different …”

F. Lagier, N. Freund, K. Bause, S. Ott, A. Albers Simulation-based evaluation of high-speed PEEK gears in automotive powertrains and design of a validation environment for high-speed gears S. 223-240

„… and efficiency of electric powertrains for individual mobility require a whole-system approach to the …” „… components in the drive system. Research shows the potential of future-proof powertrain to-pologies with …” „… high-revving traction engines and shiftable transmissions that enable downsizing of the electric motor. Such a …”

P. He, A. Eßer, S. Rinderknecht, M. Schmiedt A Degradation Model of a Wet Friction Clutch based on Theoretical and Experimental Analysis and the Application for a Condition Monitoring Method S. 303-320

„… CoF-gradient is varied between 0.01 and 0.01 in steps of 0.0001 . The system’s eigenvalues are calculated …” „… vibration amplitude and system stability. However, the investigations are based on idealized experimental …” „… system behavior of a vibrating powertrain including a friction clutch. The aim is to investigate how the …”

F. Schuchter, M. Schönstein, K. Bause, A. Albers Temperature Modelling of a Dual Clutch with Artificial Neural Networks S. 335-346

„… vehicle transmissions play a crucial role for their control and regulation. In this context, clutch …” „… multi-disc dual clutch in a dual clutch transmission. The coupling contains several steel and lining plates …” „… in automatic transmissions and depends on many parameters such as friction material, sliding speed …”

F. Pfister, N. Hetzel, K. Büttner Objectified Evaluation of Fundamental Driveability Maneuvers at Powertrain-in-the-Loop Testbeds for Electric Drive Units S. 61-72

„… 10 to 100 times faster. Additionally, the mechanical transmission path from the motor to the wheel is …” „… workflow enable new software functions and their impact on the full vehi-cle system to be developed, tested …” „… mechanical transmission from the motor to the tire is significantly stiffer. The longitudinal forces …”

J. Merckling Use of Power-Dense Fuel-Efficient Tapered Roller Bearings in E-Drives under Low-Viscosity Oil and High-Speed Conditions S. 153-168

„… speeds compared to traditional axles and transmissions. Typically, ball bearings are used due to their …” „… initiative, The Timken Company began work on FE TRBs for electric vehicle (EV) transmissions. All the …” „… engine axles and transmission applications. Some of this experience is in sport or prestige cars that …”

H. Spånberg Electric Torque Vectoring Disconnect unit, eTVD S. 253-266

„… Vectoring Disconnect unit, eTVD Hannafia Spånberg, BorgWarner, Landskrona, Sweden 253System Overview The …” „… shows the layout of such a system. An important feature is a connect/disconnect function by extra …” „… separation of the discs when the system does not need traction force on the rear axle. Then the rear E-motor …”

S. Cortès, A. Albers, C Dettmann, P. Boche Chassis Dynamometer – a development environment for calibration and validation of vehicle drivetrains in context of RDE legislation? S. 347-364

„… chassis dynamometer. The environment, driver and residual vehicle model systems are grouped as System in …” „… , 2022360By having to accept this system-related imprecision, the values for the determination coeffi-cient …” „… system-related imprecision because of the drive train ten-sioning in standstill phases has an impact on the …”

J. Kniel, M. Göckler, B. Müller Holistic thermal management as a “must have” for efficient BEV S. 397-406

„… Fig. 8. We are combining the sub-systems electric motor, transmission and power electronics and …” „… ganzheitlichen Ther-momanagement-Ansatz und entwickeln gemeinsam mit unseren Kunden ein optimal pas-sendes System …” „… Optimierung der Schnittstel-le zwischen den Integrationsebenen ermöglicht Vorteile auf System- und …”

Z. Liu, V. Stegmayer, S. Rinderknecht, U. Fechter Multiphase CFD investigation of splash lubrication S. 169-184

„… churning losses inside a two-speed pure electric vehicle transmission Zhihong Liu, Vanessa Stegmayer …” „… the churning loss under splash lubrication in a complex two-speed vehicle transmission, Computational …” „… transmission. For meshing, the domain is divided into a stationary part using real housing shape and the …”

H. Seidl, L. Momsen, D. Güth, S. Nett Network-based System Development and Integration Approach S. 277-290

„… Network-based System Development and Integration Approach Development & Validation, Development …” „… Qualifikation im Bereich der Systement-wicklung entschieden. Die zentrale Methodik stützt sich dabei auf einen …” „… ab-gestimmte Entwickeln von Systemanforderungen, Systemarchitektur sowie Integrations- und Teststrategien im …”

T. Skubacz, C. Burkhardt, S. Krischke Proof of Concept: Bistable Shift Element S. 241-252

„… validiert. Das System erfüllt – in Abgrenzung zu anderen existierenden Lösungen – neben einer hohen …” „… kann, begrenzt das System selbsttätig das Moment und geht temporär in einen Schlupfzustand. Dadurch …” „… closed state, for which the concept was validated in tests. VDI-Berichte Nr. 2401, 2022 241The system …”

G. Göppert, M. Adrian AI Approach to Wet Friction Torque Model Adaptation S. 321-334

„… of a friction system plays a central role for example in P2 hybrids to fulfill seamless shifts or …” „… are other exam-ples where high accuracy of the clutch system is required. In this work a novel …” „… change strongly over lifetime and with samples. It depends on the system pressure ? provided by an …”

F. Duchi, M. Ivarson, A. Schmitt, F. Haag Innovative E-Drive testing and software optimization – Key to maximize range, comfort and robustness of modern electric powertrains S. 37-60

„… system-oriented testing that are difficult to be performed, too time consuming or even not possible on the E-Drive …” „… . How the application of the inverter is performed has a big impact on the system and the quality of it …” „… how the expected E-Motor production tolerances will affect the system performance and characteristic …”

M. Schröder, K. Herold, C. Monissen Efficiency Increase of Electric Machines with Active Thermal Field Weakening S. 119-132

„… dependence of the machine is represented in a system model for the drive cycle simulations, based on lookup …” „… resistance ? and the acceleration resistance ? are summed up. Table 2: Vehicle parameters for system …” „… ⋅ ? ⋅ ? . (3)To calculate the quantities at electric machine level, the transmission ratio ? needs to be …”

S. Bümmerstede Flowforming – High-strength complex components including toothing formed from a single sheet of metal S. 197-208

„… , transmissions of various E-vehicles ( bike, car, sports car... ) pressure vessels, bearing bushings, cylinder …” „… and inner tooth systems, we use the GROB cold forming process (named after the Swiss machine tool …”

doi.org/10.51202/9783181024010

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Nutzfahrzeuge 2017 – Commercial Vehicles 2017

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2298 2017

Treffer in den folgenden Teilen:

F. Sauter, H. Mozer, B. Fessler, J. Glückler Development of an 8-speed Automatic Transmission for Medium-duty Trucks and Buses – Market analysis, selection, detailed definition and comparison of concepts and rollout of a segment-optimized tra... S. 197-208

„… transmission system Dipl. Ing.(FH) Frank Sauter, Dipl. Ing. Herbert Mozer, Dipl. Ing. Bernhard Fessler …” „… suited when the task is to develop an advanced transmission system for specific vehicle segments? Which …” „… particular gear set to identify the ideal transmission design for a system of this type in light and medium …”

M. Dietrich, M. Kohler, F.-D. Speck Electrification in Commercial Vehicles – Megatrends and Solutions – Electric Drives for Light and Medium Commercial Vehicles and TraXon Hybrid for Heavy Duty S. 13-24

„… , the vehicle system's total cost of ownership is nevertheless of high importance and therefore it is …” „… 9.6:1 is achieved by means of a two-stage transmission; more than one gear is not required. Asynchronous …” „… differential from which the wheels can be driven directly. Electric motor, transmission and differential are …”

Titelei/Inhaltsverzeichnis S. I-IX

„… definition and comparison of concepts J. Glückler and rollout of a segment-optimized transmission system D …” „… component Seite/Page Drive Systems & Concepts F. Sauter, Development of an 8-speed Automatic Transmission …” „… integrated System Approach from ZF M. Wenger M. Dietrich, Electrification in Commercial Vehicles …”

J. Witzig, A. Grossl, M. Wenger E-Mobility for City Bus and Coach Applications – An integrated System Approach from ZF S. 5-12

„… drivetrains as well as hybrid electric drivetrains based on existing conventional transmission systems …” „… well as hybridization of conventional transmission systems. The decision whether a full electric or …” „… E-Mobility for City Bus and Coach Applications – An integrated System Approach from ZF …”

M. Eckert, M. Thiem, C. Beidl Development of an Electric Powertrain System for Truck Trailers S. 155-166

„… Development of an Electric Powertrain System for Truck Trailers Dipl.-Ing. (FH) Martin Eckert …” „… sensorial kingpin, the trailer becomes a stand-alone hybrid system, which can operate independent of the …” „… cooperation system for truck-and vehicle-trailers” which is funded by the German federal ministry for …”

S. Gohl, F. Tenbrock, L. van Rooij, D. Williams, G. Gumpoltsberger ZF Innovation Truck 2016 – Advanced Driver Assistance Systems are increasing safety and usability S. 41-52

„… equipped intra-vehicular systems. The ReAX-G system provides a specific torque derived from sensor …” „… : the hybrid drivetrain TraXon Hybrid, the active steering system ReAX, and the camera and radar …” „… WABCO. This system automatically steers tractor trailer combinations around hazardous areas safely …”

G. Chen, C. Keller-Ebert, Z. Liu Requirements of Chinese domestic market for introduction of disc brakes for medium and heavy tractor truck axles – Sino German collaboration to enhance the product introduction process into Chinese ... S. 179-196

„… ] Tang Haichuan, Li Xingyuan, The innovation of commercial vehicle braking systems. Transmission …” „… overloading are expressed. The domestic Chinese logistic system stands in front of a dramatic change from a …” „… chassis system development is set up. YIHE joins the national industry standards development team of …”

C. Neumann, S. D. J. Bosch New system architectures for commercial vehicles to support complex functions for autonomous driving – Sensor set-up for redundant 360°-coverage of the environment S. 63-72

„… New system architectures for commercial vehicles to support complex functions for autonomous …” „… camera heads. Fig. 3: Comparison of a digital mirror system with the view of a conventional truck …” „… mirror The first step will be the introduction as an independent mirror replacement system, but the …”

B. Grzegorzewski The next generation of natural gas trucks – Development of a 4x2 tractor with a natural gas engine S. 223-234

„… the Stralis Diesel. Axles, transmissions, propeller shafts and even the gearbox are carry-over parts …” „… , liners, cylinder head, ignition system, knock detection, injectors and others. The 6 cylinder engine …” „… system The pipes to supply gas from the tank to the engine are designed in stainless steel. In addition …”

G. Nitzsche, S. Wagner, M. Engel Electric Drivelines in Semi-Trailers – TRANSFORMERS: An additional Way to Hybridisation S. 167-178

„… introduced by the HoD-system and their implications on the existing systems. Even with this restriction a …” „… concept. This shows the applicability of the system over multiple truck brands. The mechanical …” „… . Fig. 1: TRANSFORMERS Truck-Semitrailer combination VDI-Berichte Nr. 2298, 2017168 2 System …”

C. Brinkkötter, R. Baumgart, S. Moldenhauer, J. Aurich, O. Predelli, A. Meyer Energy Efficient Standstill Air Conditioning for Trucks S. 125-142

„… -Emissionen sichergestellt werden. Nach der Pause wird das System mittels der Abgaswärme des …” „… standstill air conditioning system powered by a zeolite/water adsorption heat pump. With this system it is …” „… system is regenerated during the drive using the waste heat of exhaust gas from the internal combustion …”

B. Barrois, A. Mink Mercedes Benz Future Bus – First partly automated city bus with CityPilot S. 53-62

„… values, networking with traffic light systems and an automatic braking system – these are the technical …” „… buses, especially when used as a complete, individually coordinated transport system for urban …” „… the Lane Keeping Assist system in other Mercedes-Benz buses and trucks. A further lane-tracking …”

D. Bergmann, S. Lauer, S. Ghetti, K. Eichler, S. Petri Holistic Simulation Tool for the Commercial Vehicle Powertrain Development S. 209-222

„… Waste Heat Recovery (WHR) system applications. A WHR system makes use of the Organic Rankine Cycle (ORC …” „… their overall system concept regarding the upcoming CO2 certifications. CO2-Trends for Heavy Duty …” „… a PID-controller - is very detailed and therefore needs a lot of input data, like transmission …”

T. Huber, T. Grossner Future CO2 legislation and innovations to reduce TCO – using Continental Innovation Truck as an example – Evaluation of Photovoltaic System and Coasting Technology S. 79-102

„… example Evaluation of Photovoltaic System and Coasting Technology M. Eng. Tobias Huber, Dipl. Ing …” „… , automated manual transmission, automatic engine shutdown, automatic tire pressure control, hybrid …” „… technologies, improved aerodynamics, low rolling resistance tires and stop/start system in mind [5 …”

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