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VDI Wissensforum GmbH - Drivetrain for Vehicles 2016

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VDI Wissensforum GmbH (Hrsg.)

Drivetrain for Vehicles 2016

Reihe: VDI-Berichte

Band 2276 2016

Treffer in den folgenden Teilen:

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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

VDI-Wissensforum GmbH - DRITEV – Drivetrain for Vehicles 2021

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VDI-Wissensforum GmbH (Hrsg.)

DRITEV – Drivetrain for Vehicles 2021

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

„… , 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 …”

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 …”

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 …”

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

VDI Wissensforum GmbH - International Conference on Gears 2023

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VDI Wissensforum GmbH (Hrsg.)

International Conference on Gears 2023

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 …”

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 …”

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 …”

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

„… 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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

doi.org/10.51202/9783181024225

VDI Wissensforum GmbH - International Conference on Gears 2019

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International Conference on Gears 2019

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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

„… 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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

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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. 471-0

„… 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

„… -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 …”

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