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VDI Wissensforum GmbH - Dritev – Drivetrain For Vehicles 2018

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VDI Wissensforum GmbH (ed.)

Dritev – Drivetrain For Vehicles 2018

Series: VDI-Berichte

Volume 2328 2018

Results in this title

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

„… pressure of C4 is controlled to make the transmission slipping and control the pressure of C0 to start the …” „… .1(c) illustrates the clutch control logic diagram of the transmission. Different combinations of …” „… the basis of the stable shift control of transmission and complex shifts are the key to improve shift …”

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

„… a discrete control variable that determines the transmission mode: , ∈ 1, 2, … , , (2) with the …” „… number of modes of the topology. For topologies with only one transmission mode control variable , can …” „… and Ψ are directly dependent on , , as this control variable dictates the transmission mode. The …”

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

„… existing sensors within the transmission to provide extra information to aid with existing control methods …” „… methods typically used in the control of automotive transmissions to be used in off highway applications …” „… Getting more out of existing sensors: control algorithms to measure true torque, backlash and …”

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

„… G-Series transmissions have a die cast aluminium housing with the external control module located on top of …” „… launched in 2018 with new efficient 8-speed automatic transmissions in combination with one Gasoline and …” „… Aisin AW G-Series transmissions 8G30 and 8G45 in Opel vehicles. The transmissions, also used in Peugeot …”

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

„… reduce cost, as a conventional transmission control unit is no longer needed. The clutch control and …” „… control software of a 2-speed transmission. Via CAN, it does communicate with the smart clutch actuator …” „… launch torque and top speed requirements is difficult to solve with a 1-speed transmission, especially if …”

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

„… the transmission without multiplying the number of actuators and control units. Having installed two …” „… do without a transmission control unit (TCU). VDI-Berichte Nr. 2328, 2018 53 The modular structure …” „… the control behavior of the actuators in combination with the physical conditions of the transmission …”

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

„… transmission: BMW AGS: Further development of BMW’s own adaptive transmission control and engine interaction …” „… The new BMW automatic transmission Challenges in development Dipl.-Ing. (FH) Martin …” „… . Abstract In July 2018 BMW introduces the 3rd generation of the ZF 8HP automatic transmission in the …”

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

„… transmissions, in order to control the kit extensions. The real challenge was catering for the requirements of …” „… hydraulics takes place via cable routing from the transmission control unit (TCU) to the solenoid valve. Here …” „… for complex adjustments to the control unit layout when the electrified transmission derivative was …”

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

„… building an affordable and energy efficient solutions thanks to manual transmission. Different topologies …” „… electromechanical actuator concept, based on field oriented control that can deliver most of this high level …” „… architecture is available; some of them are based on existing transmissions, others on completely dedicated …”

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

„… the mechanical functions of the transmission. Electrical measurements need to be recorded and …” „… regulated. The integration of additional control hardware and communication software is an additional …” „… electrified and electric drives, based on its existing range of transmission test benches. Motivation …”

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

„… adaption of the transmission control, it’s therefore possible to cover various driving profiles and to …” „… AVL’s Future Hybrid X Mode A modular transmission family concept AVLs Future Hybrid X Mode …” „… dieses Konzept kann als konventionelles AT (Automatic Transmission), 48-Volt- oder Hochvolt-Hybrid bis …”

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

„… and efficient clutch coordination control in a P2 hybrid automatic transmission …” „… , Bonn Main topics: Automatic and dual clutch transmissions Transmission topologies as part of …” „… BMW automatic transmission – Challenges in development � � � � � � 11 M. Roßhuber, G. Schromm …”

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

„… , 2018 337 In a first version of the transmission control software, the speed controller was deactivated …” „… vehicle. The transmission control was developed in a simulation environment and tested respectively …” „… strategy), transmission control, HV coordination and cooling control are running. Therefore, the input …”

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

„… Entry Hybridization of Manual Transmission Drivetrains A review of P0/P1 structures with an …” „… transmission drivetrains will cover a significant portion of the worldwide drivetrain portfolio within the …” „… the vehicle emissions on all levels, suggests to apply hybrid technology to manual transmission …”

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

„… Shift simulator for shift feel and quality development of manual transmissions Dipl.-Ing …” „… costumers’ expectations. With a digital model of the transmission a real-time force feedback system is …” „… necessity of a manual transmission shift simulator seem valid. Opel as well shared its vision of …”

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

„… the selected gear. The transmission control unit (TCU) triggers torque synchronization subsequently …” „… now runs up to the speed target under zero load controlled by increasing transmission intervention …” „… control technology ongoing improvement can be expected in shortterm future. One current example …”

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

„… in the automation of transmissions and control of electric drives. Architecture and advantages …” „… Electrified automated manual transmission (eAMT) Synergies by combining an electric drive with …” „… an automated transmission Dr.-Ing. Florian Mühlfeld, Dipl.-Ing. Matthias Hochrein, Dipl.-Ing …”

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

„… Abstract As demand of transmission efficiency goes higher, churning oil path and loss optimization is …” „… transmission of optimized oil flow during the design stage. And bench test shows successful result …” „… . Introduction During transmission design process, many different kinds of dynamic fluid simulations are …”

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

„… hydraulic requirements of the transmission enables direct solenoid actuation. Direct control has a positive …” „… . Klaassen, A. van der Leest, A. Brandsma, M. Tweehuysen, Bosch Transmission Technology, Tilburg …” „… also offers an excellent base for dedicated transmissions, with the potential to improve on aspects as …”

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

„… the capabilities of the differential, it is necessary to control the superposition of the speeds and …” „… torques for each wheel independently by means of a dedicated electrical control unit. Compared with …” „… gears and differentials. The control of the powertrain is mainly determined by the ECU. This brings the …”

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

„… dioxide emissions. In selecting the best possible transmission technology, manufacturers increasingly …” „… need to consider not only the transmission’s own efficiency and flexibility, but also its …” „… efficiency levels and the influence of current conventional transmission technologies on carbon dioxide …”

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

„… swivel angle of the hydraulic pump by the transmission control unit (TCU) of the tractor. To achieve …” „… controllable tractor speed, which is widely achieved by modern power split transmissions. Optimizing the …” „… Efficient development by means of automated calibration of tractor control units Dipl.-Ing …”

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

„… are indispensable for its function (e.g. electric motor and transmission control functions). The …” „… , performance and drivability can be achieved through optimizing control software and calibration [Hasel et al …” „… powertrain control software of related product generations with electrified powertrains. It also presents …”

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

„… customerspecific transmissions 4. 3. 2 Project targets Creation of a control instrument for the output shaft …” „… Industry 4.0 in the automatic transmission production Dipl.-Ing. (FH) K.-P. Fritsch, ZF …” „… transmissions at ZF is characterized by the highest demands in terms of employee qualification, complexity in …”

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

„… motor is functionally placed between the ICE (internal combustion engine) and the transmission. An ICE …” „… details, please see Figure 1. HEV P2 Module Concepts for Different Transmission Architectures Clutch …” „… Transmission Systems, Germany VDI-Berichte Nr. 2328, 2018 441 Figure 1: common nomenclature for HEV e-motor …”

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

„… by means of modern transmission simulation methods Dipl.-Ing. Reinhard Buchberger, Dipl.-Ing. Dr …” „… among the main conflicting engineering targets within developments of electric drive transmissions …” „… suitable to consider the transmission as a single sub-component. It has to be considered as a part of the …”

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

„… Development of New Torque Converter Lockup Control for New Generation of Infiniti QX50 Yasuhiro …” „… engine’s attractive performance. Notably, a new torque converter lockup control operates in cooperation …” „… with the engine control and CVT shifting control in various driving conditions such as for vehicle …”

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

„… , as in the case of a failure of the control system. In order to avoid damages in the event of a fault …” „… simulations Established PMSM control schemes rely on the rotating DQ reference frame, where the fundamental …” „… Current drive and transmission concepts of OEMs, TIER I suppliers and universities Opportunities and …”

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

„… separate transmission loss calculation. It is possible to integrate up to nine electric machines into the …” „… gearbox, this is why hybridized transmissions can be modelled as well. Due to the backward simulation …” „… are chosen: P1, P2 and P0P3. The transmissions are pictured in Fig. 5. The P0 hybrid topology is a …”

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

„… . In this way, the transmission control unit can be forced to perform drive to neutral shifts for …” „… ) controller. In order to adapt the combustion engine control (ECU), an additional load for shifting the …” „… heater Active body control Roll stabilization DC/DC converter e-Catalyst A/C compressor e-Charger …”

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

„… hybrid vehicles. GKN supports this goal with a broad portfolio of electric transmissions and axles, and …” „… advantage of designing the entire transmission as well as the sideshafts mechanically with significantly …” „… required because transmission and the actuators share a common oil circuit. Independent of the modular …”

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

„… dynamics by torque vectoring via direct 48V electric motor control with significant CO2 savings by 48V …” „… control resulting in outstanding vehicle dynamics performance. The emergence of the 48V electric …” „… electric motor control with significant CO2 savings by 48V hybridization. It utilizes the electric machine …”

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

„… situated close to the wheels, the number of control variables to actively influence the horizontal motion …” „… of such an electric vehicle increases compared to that of a conventional vehicle. The control …” „… structure presented in this paper uses these additional control variables for torque vectoring to enhance …”

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

„… prediction quality is inadequate for a closed-loop clutch control. For this, the prediction quality in all …” „… existing closed-loop control is updated periodically by an adaptation algorithm. It compares the empiric …” „… model parameters used in the existing closed-loop clutch control. The result quality could be achieved …”

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

„… transmission. Thanks to the new pressure controller technology, the shift sequence as well as the shifting …” „… Third Generation of ZF’s 8-Speed Automatic Transmission Reducing CO2 emissions in the 8HP …” „… transmission Christian Sibla, Andreas Donges, Friedemann Jauch, ZF Friedrichshafen AG, Friedrichshafen …”

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

„… and in the number of possible combinations with the other components - transmission, electric motor …” „… configurations for the combustion engine, transmission and electric motor, indicating and describing specific …” „… configurations. Described by parameters and maps for combustion engines (ICE), transmissions, electric motors …”

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

„… CO2 emissions of passenger vehicles is however impellent. Traditional automatic transmissions with …” „… torque converter own a consolidated share of the overall transmission market, especially in northern …” „… ]. This solution can be found e.g. in ZF’s 9HP transmission [10]. Synchronizer: it is composed of both …”

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

„… Transmission Fluid (ATF) (see e.g., [6] [7]). Nevertheless, such often one or two dimensional …” „… transmission characteristics of automatic transmission wet clutches: experimental results and numerical …” „… , "Physical and chemical properties of a typical Automatic Transmission Fluid," in SAE Technical Paper Series …”

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

„… gearbox housing. The electric drive motor and clutch are operated within the automatic transmission fluid …” „… water cooling jacket of the stator, the automatic transmission fluid of the disengagement clutch in the …” „… precisely controlled by combined water and oil cooling. The cooling and lubricating oil within the hybrid …”

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

„… hydraulic drives has been put into question in various studies [2, 3]. Continuous variable transmission …” „… controllability [1]. Current disadvantages, such as power density and component costs are weakening, due to …”

doi.org/10.51202/9783181023280

VDI Wissensforum GmbH - International Conference on Gears 2017

Partial access

Select

VDI Wissensforum GmbH (ed.)

International Conference on Gears 2017

Series: VDI-Berichte

Volume 2294 2017

Results in this title

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

„… strategy for the Electro-mechanical transmission 3.1 Architecture of the closed-loop coordinated control …” „… ] DELPRAT. S, LAUBER J, GUERRA T, et al. Control of a parallel hybrid powertrain: optimal control[J]. IEEE …” „… Research on the dynamic power split characteristics and the electric power coordinated control …”

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

„… , B., Zhang, N.: Powertrain dynamics and control of a two speed dual clutch transmission for electric …” „… ., Tamba, R.: Control of gearshift sin dual clutch transmission powertrains, Mech.Syst. Signal Process …” „… Design and experimental validation on a novel tow speed transmission for electric bus Jie Yu …”

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

„… transmission efficiency of a half-toroidal CVT variator, and also enabled visualization of frictional force …” „… being downsized in order to reduce friction. In the area of transmissions, there are calls for wider …” „… to increase fuel efficiency by bottom trace control that keeps the engine at fuel-efficient …”

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

„… Design of Transmission Accuracy of the Involute Cylindrical Gear-Worm Gear System under Large …” „… Vehicle Technology, Beijing, China; G. Liu, L. Liu, Shaanxi Engineering Laboratory for Transmissions and …” „… Controls, Northwestern Polytechnical University, Xi’an, China Abstract Involute cylindrical gear …”

Titelei/Inhaltsverzeichnis S. I-XXVII

„… J. Yu, Design and experimental validation on a novel tow 97 L. Yao, speed transmission for …” „… dynamic power split characteristics 131 L. Han, and the electric power coordinated control for a hybrid …” „… Q. Yan, transmission system C. Xiang, Y. Li Page Gear Endurance – Micropitting and Tooth Flank …”

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

„… A reduced order internal combustion engine model for transmission development Dr. Kazuhide …” „… Abstract Internal combustion engine (ICE) torque model is required to evaluate transmission performance …” „… cylinder and fuel transportation delay from the control mean to a combustion cylinder. If required …”

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

„… , after case hardening is necessary for high quality gears. Transfer Case Sprockets and Transmission …” „… controls six independent part levels and three gear surfaces. Sintering takes place at 1280°C (2336°F …” „… characteristics into account. Fig. 6: Transmission Error Characteristics of PM and Wrought Gears It …”

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

„… , The State Key Laboratory of Mechanical Transmissions, Chongqing University, Chongqin, China, State …” „… Technology, Yokohama, Japan; Ma Shuai , Jin Guoguang, The State Key Laboratory of Mechanical Transmissions …” „… for proper tolerance distribution and control in design and process. Keywords: displacement …”

P. Wang, M. Yang, Y. Guan, Z. Yang, Q. Li Global synthesis of speed increasing spiral bevel and hypoid gears S. 433-434

„… Laboratory of Mechanical Transmissions, Chongqing University, Chongqing, China; Mingbo Yang, Yanzhi Guan …” „… their adjustment needs the full control of the entire contact point paths on gear tooth surfaces. The …” „… sizes and unavoidable transmission errors. For the design of speed increasing spiral bevel and hypoid …”

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

„… reductions in vehicle transmission weight and size. Engine torque has also been increased to enhance vehicle …” „… reliability of transmission gears under more severe operating conditions than in the past. Gear durability …” „… recent years to downsize automotive transmissions further from the perspectives of improving fuel economy …”

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

„… design. 1. Introduction Helicopter transmissions require high-speed lightweight gears and hollow …” „… transmissions as they mostly rely on solid pinion and gear models. More recently, several attempts have been …” „… initial normal tooth gap at ijM , point of control of each discrete cell in the plane of action (fig. 1 …”

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

„… Simultaneous experimental characterization of dynamic transmission error to noise and vibration …” „… account as a highly considered requirement for rotating machines performances. Transmission error is …” „… correlation between Transmission Error and radiated noise emitted by a gear system. The scope is also to …”

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

„… The influence of overlap ratio on transmission error in parallel axis gears Layue Zhao …” „… , National Key Lab of Vehicular Transmission, China North Vehicle Research Institute, Beijing, China …” „… research, transmission error (TE) has been used to predict the dynamic performance and noise excitation …”

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

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

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

„… geometries at constant boundary conditions. To control the operating conditions, a speed-controlled electric …” „… process of transmissions, one quality criterion is the resulting noise emission of the powertrain due to …” „… made from steel can be correlated to the quasi-static transmission error. According to the noise …”

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

„… ) At JATCO, we mass produce automatic transmission gears under process control levels determined for …” „… Engineering Department, JATCO Ltd, Shizuoka, Japan Abstract Automotive transmission gears are …” „… , including consideration of workpiece mounting accuracy. In this study, key control factors in the hobbing …”

J. I. Pedrero, M. Pleguezuelos, M. B. Sánchez Load sharing model for spur gears with tip relief – An investigation on the influence of profile modifications on the mesh stiffness S. 795-806

„… controlling the quasi-static transmission error. VDI-Berichte Nr. 2294, 2017 805 8. References [1] Velex …” „… affected due to the different contact conditions, which will have influence on several transmission …” „… parameters, as the load sharing or the transmission error. In this paper, the influence on the load sharing …”

C. Gosselin, E. Fritz, L. Seiler CnC manufacturing of circular faced cylindrical gears S. 1343-1352

„… in the face width direction while modified roll is used to control Transmission Error (TE) in order …” „… used to control the lengthwise dimensions of the contact pattern, which conditions contact stresses and …” „… generate both the pinion and gear. Cutter tilt is introduced to control the width of the contact pattern …”

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

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

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

„… Abstract In comparison with parallel shaft power transmission designs, planetary gear trains possess …” „… efficiency, relative high transmission ratios. The frequency analysis is especially significant for the …” „… numeric investigation of planetary gear trains and transmissions are deduced by the authors’ team. The …”

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

„… components through it, and should be controlled by a transmission mechanism from the parallel shaft. With …” „… Development of novel test stand for three-axis driving planetary gear train control and analysis …” „… , assuming the PGT as a mechanical continuously variable gear ratio transmission. INTRODUCTION Although …”

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

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

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

„… Test method for time-scaled fatigue tests of gear transmission systems Dipl.-Ing. Michael Hein …” „… of Munich, Garching 1. Abstract Under real operating conditions, gear transmissions usually …” „… . In this paper, an extensive test methodology for time-scaled fatigue tests of transmission systems …”

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

„… transmission, especially within automotive engineering. This paper presents an extensive experimental …” „… ]. As a result the use of polymer composite gears in power transmission is limited due to the lack of …” „… composite gear injection mould design, development of functional requirements and moulding process control …”

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

„… . Until the end of the 19th century, they were used to realize complex control tasks. With progressive …” „… high gear transmission ratios with a small need of installation space and weight, since the loads are …” „… , from 500 up to 60.000 rpm, as well as high transmission ratios, of up to 35 for two-staged gearboxes …”

L. Geng, N. Mimi, L. Lan, Z. Ying, W. Liyan Mesh stiffness of cylindrical gear including tooth surface – Friction based on FEA method S. 807-814

„… Geng, Nan Mimi, Liu Lan, Zhao Ying, Wu Liyan, Shaanxi Engineering Laboratory for Transmissions and …” „… Controls, Northwestern Polytechnical University, Xi’an, China Abstract The tooth friction and oil film …” „… points, C is the total normal deformation at each point, which is the transmission error regardless of …”

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

„… virtual-axis Xu Kai, Li Guolong, The State Key Lab of Mechanical Transmission, Chongqing University …” „… .: Research on Error Modeling and Control of Worm Gear Grinding Machine. Hefei University of Technology, 2014 …” „… the Helical Gear. Journal of Mechanical Transmission, 10 (2014), pp. 14-17 [4] Deng Xiaozhong, Li …”

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

„… known a priori, it is impossible to have a control on the remeshing procedure that therefore often …” „… original. As accurately described in [22], before each time step, all the dictionaries that control the …” „… approach ensures a better control of the mesh regeneration and this impacts on the time step and …”

D. Ghribi, C. Peyrac, M. Octrue Shot peening of gear tooth flanks: Search for an optimal surface topography against the micropitting S. 153-162

„… micropitting Dr.-Ing. D. Ghribi, Dr.-Ing. C. Peyrac, Dr.-Ing. M. Octrue, Power Transmissions Department …” „… objective of this study is to use the shot peening treatment to control and optimize the roughness with …” „… due to an excessive micro-pitting increase the amplitudes of the transmission error producing …”

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

„… transmission ratios, which can lead to high noise contrary to current comfort requirements. Identifying …” „… can design a control system, which shuts down the machine automatically (here within approx. 60 …” „… – mechanics, electronics, thermal, hydraulics and control. All experiments (modeling, result analysis, etc …”

M. Kalin, A. Kupec Wear and Fatigue Behaviour of Polymer Gears under Controlled Temperature Conditions S. 1637-1648

„… . Fig. 5: S-N curves at controlled root temperatures. The curve obtained without temperature control …” „… rig consists of a driving shaft with a servomotor that is used to control the operating speed and of …” „… control in polymer-gear testing. To summarise, the gear temperature changes with the change in the load …”

Z. Roth, J. Opferkuch High load capacity gear root fillet contour with a bézier curve S. 719-732

„… the definition of a cubic Bézier curve ü VDI-Berichte Nr. 2294, 2017720 occurs by the four control …” „… Bernstein polynom: ∑ 3 1 In this context the control variable t depicts the progression of the …” „… factor Be and the length of the cathetus of the deepest triangle. By moving the control points P2 and P3 …”

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

„… these figures several times into machine controls. The main cause is the heterogeneous system …” „… input speed of the transmission can extend 30,000 rpm and the masking noise from the combustion engine …”

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

„… flank area can provide holistic information of a produced gear for both process control and product …” „… parameters characterizing these modifications and deviations keep their meanings in terms of both a control …” „… automotive and various industrial transmission systems. They have to meet high accuracy requirements in …”

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

„… with nominal load or duty cycles. To determine the reliability of the drive system, the transmission …” „… controls how wide the distribution is. However, although for small σ the density looks like it becomes …”

J. Reißmann, E. Leidich Computation of the tooth root strength of Worm Wheels with a calculation program based on local stresses S. 373-394

„… Worm gear units are simple converter with a large transmission ratio (Figure 1). Possible failures of …” „… , FKM-reports, Phd-thesises, internal R&D-Projects, internal quality control measurements as well as …”

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

„… planetary gears multi-degree-of-freedom modelling is built. Eigenmodes, dynamic transmission errors and …” „… for transmission, especially in the case of hybrid and electrical vehicles or of new production …” „… they provide compact power transmission design with high gear ratio. Indeed, these transmissions are …”

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

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

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

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

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

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

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

„… .: Epicyclic Gear Transmission Error - The lmportance of Controlling Tolerances. SAE transactions - Journal of …” „… and transmission error measurement to identify hypoid gear whine noise. International Journal of …” „… Model for the Complete Transmission System. SAE transactions - Journal of Passenger Cars (2002), p …”

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

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

C. Brecher, C. Löpenhaus, R. Greschert Influence of the grinding process on the formation of boundary layers on gears S. 1427-1438

„… economical design of gears. 1. Introduction Gear transmissions are usually run under mixed friction, i.e …” „… transmissions [6]. The profile grinding process is applied using a corundum grinding wheel with ceramic bonding …” „… studies on tribological surface modifications formed on roller bearings under controlled lubrication …”

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

„… gears enable significantly higher power transmission compared to dryrunning gears. One of the most …” „… on Motion and Power Transmissions, Proceedings of MPT2017-Kyoto, Vol.2, 2017 [11] Hachmann, H. and …” „… using a temperature controlled oil bath. In prior tests [10], the increase in tooth temperature …”

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

„… Engineering and Modern Manufacturing Methods for Angular Transmissions Company Publication, The Gleason …” „… timing cannot be controlled with individual front face distances between outside and inside blades. The …”

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

„… Motion and Power Transmissions, February 28 –March 3, 2017, Kyoto, Japan Table 1: Summary of the …” „… path and can apply deformation controlled cyclic loads. Figure 1(a) shows schematics of the tester …”

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

„… evaluations of helicopter transmissions, ICAF 2011 Structural Integrity: Influence of Efficiency and Green …” „… to form a closed mechanical power recirculation loop. A controlled rotating hydraulic actuator …” „… , controlled by an inverter, which, during tests, only needs to provide the power losses of the system. On the …”

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

„… conditions and premature failure of the transmission. There are a few options regarding finishing operations …” „… consisting of a controller, a production specialist and a production manager at the case study company. The …”

doi.org/10.51202/9783181022948

VDI Wissensforum GmbH - Dritev – Drivetrain for Vehicles 2020

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Dritev – Drivetrain for Vehicles 2020

Series: VDI-Berichte

Volume 2373 2020

Results in this title

D. Schöneberger, S. Rinderknecht, D. Reitmeier, A. Mertens Development of a transmission control for an innovative high-speed powertrain using motor-related control – Simulative approach to develop an angular position controlled engagement of dog clutches in ... S. I-195-I-212

„… , position-controlled gear engagement and disengagement [7]. The communication between the transmission control and …” „… Development of a Transmission Control for an Innovative High-speed Powertrain using Motor-related …” „… developed concepts. Transmission controls have already been developed at the IMS for both, the electric …”

C. A. Spangler Borg Warner’s P1 and P2 hybrid drive modules – Modular kit for P1 and P2 hybrids S. I-221-I-232

„… exchange is possible with the main transmission but additional control solenoids are required there small …” „… transmission hydraulic control system BorgWarner has solutions for both conventional 20bar and high-pressure 40 …” „… hydraulic actuation systems. P2 On-Axis modules for Dual Clutch Transmissions and Automatic Transmissions …”

G. Gardner 10R80 – Cost efficient modular hybrid transmission (MHT) S. I-285-I-288

„… transmission architecture changes were kept to a minimum by utilizing motor cooling and clutch feeds/controls …” „… incorporates controls for the MHT K0 clutch. Figure 2 provides a crosssection of the 10R80 MHT Transmission …” „… 10R80 MHT Cost Efficient Modular Hybrid Transmission (MHT) Greg Gardner, Ford Motor Company …”

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

„… Automobile GmbH, Rüsselsheim f Powertrain concepts Development of a transmission control for an innovative …” „… controlled engagement of dog clutches in a two drive transmission …” „… , Tokyo, Japan Cost efficient PHEV powertrain solution based on dedicated hybrid transmission – Cost …”

K. Sabzewari, M. Vieracker, J. Sagstetter Cost efficient PHEV powertrain solution based on dedicated hybrid transmission – Cost efficiency for small and mid-size plug in hybrid vehicle S. I-89-I-102

„… Cost efficient PHEV powertrain solution based on dedicated hybrid transmission Cost efficiency …” „… dedicated hybrid transmission (DHT) genannt. Abhängig von den Fahreranforderungen werden durch die …” „… and transmission by removal of engine turbocharging, drive off elements, mechanical gear …”

P. Tenberge, A. Alnahlaui E-drive and hybrid-drive with 2 high-speed E-motors and a 2-speed gearbox S. I-233-I-252

„… ratio does not require any further control unit and control power for efficient power transmission …” „… Control of the Shifting Process in Automatic Transmissions with respect to Spontaneity, Comfort, and …” „… . The shifting is controlled by torque and speed control of the e-motors. The necessary shifting-brake …”

F. Brezger, A. Moser Investigation and potential analysis of shiftable form-locked one-way clutches for hybrid and electric vehicles S. I-133-I-148

„… Dual Clutch Transmissions (DCTs) this is one of the most important functionalities. However, control …” „… simulation and test results of prototypes. These are not only pure function tests like force transmission …” „… & Function Transmissions not only enable vehicles to use their propulsion system over a wide range of …”

M. Deiml High speed electric drive system – A solution for the next generation E-cars S. II-49-II-62

„… transmissions in one housing. The dual inverter uses an interleaving switching strategy to reduce the DC link …” „… widely in use. They integrate the electric machine, the transmission, the differential and in most cases …” „… transmission can be avoided there is a substantial cost saving in the machine. These relations between …”

T. Casper, G. Spengler, M. Bromberger The high-efficiency fully electric drivetrain of the new Porsche Taycan S. I-289-I-304

„… starting and accelerating. Launch Control is also available in these modes. In this mode, the transmission …” „… and rear axle transmissions. The two-speed rear axle transmission is a particular highlight. It is the …” „… first transmission developed by Porsche in-house in more than 25 years. Consistent optimizations of …”

K. Sakai, T. Kishimoto, T. Kobayashi, T. Maekawa, T. Shinohara, M. Ogawa Development of the new chain CVT for middle capacity S. I-79-I-88

„… density, and constantly high transmission efficiency over the overall ratio. As a result, the base …” „… % compared to the previous CVT by reducing hydraulic and stirring loss (Fig3, 4). Fig. 3: Transmission …” „… power loss forecast as of 2016 (80km/h road load) Torque converter Control valve FWD & REV planetary …”

G. Gardner Ford MACH-E Primary Electric Drive Unit S. I-1-I-6

„… controls are integrated into a common module that is direct mounted to the transmission as shown in Figure …” „… electrified hybrid and conventional planetary automatic transmissions. These include an integrated park …” „… integrated water to oil cooler assembly that mounts directly to the transmission case as shown in Figure 3 …”

S. Worrall, J. Foulsham, I. Stone, T. Gassmann CeDrive – Electric drive technology for a new era – Advanced cooling and control of high-speed eDrive S. II-33-II-48

„… CeDrive – Electric Drive Technology for a new era Advanced Cooling and control of high-speed …” „… Cooling and control of high-speed eDrive” und wird von der Englischen Regierung gefördert. GKN Automotive …” „… stands for “Advanced Cooling and control of high-speed eDrive”. It is a UK funded project led by GKN …”

P. Ramet Dedicated hybrid transmissions (DHT) by PUNCH Powerglide – Innovative concepts for optimized DHT in terms of efficiency, cost and packaging S. I-253-I-270

„… Dedicated Hybrid Transmissions (DHT) by PUNCH Powerglide Innovative concepts for optimized DHT …” „… , Strasbourg Cedex, France The Automotive industry is currently looking for efficient hybrid transmission …” „… de-contenting VDI-Berichte Nr. 2373, 2020 253 of the combustion engine and transmission. This is one logical …”

M. Saborío, O. Sarmiento, C. Böhm High efficiency electric transmission oil pump – Transmission hydraulic efficiency improvement through hybridization S. I-149-I-158

„… High Efficiency Electric Transmission Oil Pump Transmission hydraulic efficiency improvement …” „… system are observed. This paper shows the benefits in terms of transmission and fuel efficiency for a …” „… hybrid DDP solution on a WLTC cycle. Introduction: transmission oil requirements Historically …”

A. Manelli, F. Filippo Irato, C. Cavallino, R. Gay e-FDU: Concept, develop & industrialization of a novel P4 powertrain – From concept to industrialization of a novel P4 powertrain in 24 month S. I-45-I-78

„… hybrid driving mode, special control strategies have been implemented. Fig. 1: e-FDU Overview EMA …” „… , valves for pressure control of the actuator and of the whole circuit, and finally the hydraulic piston …” „… , which is located at the output stage of the transmission. VDI-Berichte Nr. 2373, 2020 53 Fig. 6 …”

L. Wittmann, M. Wein, M. Wolf Consistently quattro S. I-159-I-172

„… two superposition gears on the differential, activated by a control unit via multi-plate clutches …” „… : No transmission tunnel and centre differential The ability to meet these new challenges has …” „… non-selectable two-stage transmission. However, it is software that makes these two axle drive systems quattro …”

K. Kim New high efficiency CVT for middle class FWD vehicle S. I-271-I-284

„… the biggest losses in the transmissions using hydraulic control and We could improve transmission …” „… , Hyundai Transys Inc., Korea Abstract Many kinds of transmissions have been developing and recently …” „… electrification is processing rapidly to reduce fuel consumption. Automatic transmission has been developing in …”

T. Korb, M. Nussbaumer, S. Rinderknecht Generic optimization environment and knowledge-based guided evolutionary algorithms for automated transmission calibration – Method to generate a knowledge base through impact analysis of parameters a... S. I-355-I-384

„… . Abstract The effort for calibration tasks regarding the transmission control unit and especially the …” „… Introduction The effort an OEM has to put into calibration tasks regarding the transmission control unit and …” „… actuators to control e.g. the transmission. The latter leads to the fourth group, which contains effects …”

F. Völkel, M. Tietz, A. Schamin, S. Giehl Rolling into the future – Bearing solutions for electric mobility S. I-103-I-118

„… conventional transmissions. This is true for mechanical properties such as high speed capability and smooth …” „… electric axle in lay-shaft design with the bearing positions for the rotor shaft and for the transmission …” „… and transmission input shaft. Speeds of up to 20,000 rpm are now the state of the art, with several …”

S. Demmerer Next generation electric drives S. II-63-II-74

„… . Looking at highly developed automatic transmissions, with many generations, it is obvious, that the …” „… disconnect and 2-speed transmissions, the mechanical gearbox will be extended and equipped with actuators …” „… and controls. Fig. 7: Future generations of electric axle drives will be highly integrated and …”

P. Lück, K. Bennewitz, J. Tousen, J. Peter The front-axle drive of the MEB – Volkswagen expands the e-drive portfolio S. I-7-I-26

„… get smooth power output, both electric machines are combined with a single-speed transmission. In …” „… of the electric machine, a power inverter and a single-speed transmission in a parallel-axis …” „… drive. In this case, an induction machine with a power inverter and a single-speed transmission in a …”

D. Evenschor, P. Tenberge, M. Wolkerstorfer Package-optimized configuration of transmission elements for automated design concepts – Design concept generation based on results of transmission synthesis S. I-417-I-434

„… Package-optimized configuration of transmission elements for automated design concepts Design …” „… concept generation based on results of transmission synthesis M.Sc. David Evenschor, BMW Group …” „… , PfeifferControl, Taufkirchen Zusammenfassung Im Rahmen der Getriebeentwicklung ist es oftmals notwendig, in …”

P. Ramminger, R. Jäger Evolution of the drivetrain and high voltage system in the new Corsa-e S. I-173-I-194

„… Fast charging, according to the fast charge limits governed by the Battery Control System …” „… transmissions, the reduction gear for Corsa-e is manufactured in-house PSA and uses, where possible, carry-over …” „… parts from the manual transmission, e.g. the Differential drive with its ring gear. Same as for some …”

D. Vietze, M. Hein, K. Stahl Method for a cloud based remaining-service-life-prediction for vehicle-gearboxes based on big-data-analysis and machine learning S. I-403-I-416

„… and kinds of machinery. 2. Motivation Transmissions are a key component of vehicle drive trains …” „… every gearbox are the gears, realizing the transmission of the engine torque and reducing or increasing …” „… in vehicle transmissions are dimensioned in a way that they only can withstand the operational load …”

A. Esser, T. Eichenlaub, S. Rinderknecht Real-driving-based comparison of the eco-impact of powertrain concepts using a data-driven optimization environment S. I-309-I-342

„… the transmission system in Gear ratio of the transmission speeds to iEM,Hybrid Relative ratio of …” „… optimal control approach. The operating strategy is adapted for every individual parametrization of the …” „… different drivers frequently use adaptive cruise control (ACC) with commonly selected desired speeds …”

P. Cholvy, P. Armiroli 48V eDRIVE Modularity: An answer to eMobility complexity S. I-213-I-220

„… Transmission Systems, Dipl.-Ing. Paul Armiroli, Valeo Engine & Electrical Systems, Amiens Cedex, France …” „… achieved in a compact package. Specific machine control is applied above 4500rpm to reach higher …” „… loads compared to standard control. Long lasting performance associated with high efficiency level are …”

doi.org/10.51202/9783181023730

VDI Wissensforum GmbH - LAND.TECHNIK 2020

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LAND.TECHNIK 2020

Series: VDI-Berichte

Volume 2374 2020

Results in this title

A. Roth, C. Puls Development of a 3-speed gearbox in electric powertrain – Ground drive transmission for a commercial vehicle S. 23-30

„… , speeds) and enable diagnostics Controller When selecting the suitable transmission control unit, the …” „… is that the control unit responsible for the transmission is placed directly at the transmission …” „… . The communication with the higher-level control unit should take place via CAN. The transmission …”

M. Nadlinger, J. Karner Investigation of tractor-trailer brake-systems S. 329-334

„… pneumatically operated systems, the speed of tractors with CVT transmission can be reduced by means of driving …” „… driving situations. Such as with tractors equipped with CVT transmission. They are often braked …” „… pneumatic supply line and one pneumatic control line; or one pneumatic supply line, one pneumatic control …”

J. Osten, C. Weyers, J. Petereit Modular and Scalable Automation for Field Robots – Lighthouse project “Cognitive Agriculture” S. 227-232

„… empowered to control their own shared data in the process by introducing usage control options. One aim is …” „… data usage control, data can be transferred to the ADS-enabling platform for further use. After a …” „… application, we focus on mechanical weed control. Both field robots benefit from their connection to the …”

M. Pußack, I. Stasewitsch, L. Frerichs Investigations of a cutter bar operated in resonance mode with an electric direct drive S. 151-156

„… control with fast reaction times. The controller is based on a super-twisting algorithm whose control …” „… . Furthermore, the control strategies designed for the system are briefly presented. 1. Introduction …” „… electric linear motor has been optimized for operation with the bar mower. Above that, control strategies …”

S. Raikwar, T. Herlitzius, J. Fehrmann Autonomous Navigation Strategy for an Orchard Robot Using Simulation Design S. 425-434

„… , which is transferred to the vehicle controller. The vehicle control module generates the desired …” „… : PID control structure for orientation correction 5. Model Based Tuning The PID controller was used …” „… platform. This navigational unit includes motion planning, obstacle avoidance and data transmission module …”

M. Gorius, T. Nothdurft, J. Witte, Saverio Zuccotti AEF Wireless In-Field Communication – Agrarian M2M communication for inter brand cooperative machine applications S. 157-166

„… process and control data between agricultural machines worldwide. Establishing a solution based on …” „… real-time control category include assistance systems for unloading grain during a harvesting process or …” „… terms virtual drawbar or longitudinal and parallel platooning. Real-time exchange of control data is …”

H. Wanta, M. Holovac, S. Lorenz, J. Krzywinski Evaluation of Human-Machine Interactions with Autonomous Agricultural Systems through Cyber-physical Prototypes S. 245-266

„… terms of performance. In particular, the continuous transmission of analog control signals when …” „… reaction delay of humans, especially when it concerns sensitive control commands for remote-controlled …” „… ” [4]. With its advanced machine, process and environment simulation it enables us to control the swarm …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… powertrain – Ground drive transmission for a commercial vehicle …” „… – Proposal for a holistic step by step approach� � � � � � � � � 413 A. Holler, INTER CONTROL Hermann …” „… tillage with smart machinery – Electric-driven, sensor-controlled soil tillage …”

R. Schmetz, R. Hartanto Soil protection and energy savings through efficient energy supply to machines for primary and secondary soil tillage S. 83-92

„… efficiency in the transmission of traction energy is known. According to various sources, the efficiencies …” „… press rings), remote control and DGPSbased steering systems for precise tracking. The largely automated …” „… interaction of two multipurpose, remote controlled and navigable mobile machines, which enable a low emission …”

M. Lang Design and analysis of a magnetic-electrical power split gearbox for application in an agricultural vehicle S. 17-22

„… Continuously variable transmissions have been established in agricultural vehicles besides manual and power …” „… shiftable transmissions within the last few years. With continuously variable transmissions, the vehicle …” „… concept for an electric power split transmission with a magnetic circumferential gearbox unit and inbuilt …”

doi.org/10.51202/9783181023747

VDI Wissensforum GmbH - International Conference on Gears 2023

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International Conference on Gears 2023

Series: VDI-Berichte

Volume 2422 2023

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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

„… ] Ning， J. Comprehensive modeling and control research on variable speed helicopter / transmission system …” „… meshing characteristics of the gear transmission system, the harmonic and saturation effects of the …” „… are taken into consideration. Compared with the models that are used to study gear transmission 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 …”

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 …” „… the associated volume of control of the gearbox has not been following this same pace in growth …”

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 …”

B. Abert, D. Werner The Influence of Wheel Body Design on Airborne Noise S. 357-366

„… transmission error, and the diameter of the holes can be used to control their influence. This is different …” „… 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 …”

B. Karba, N. Yildirim Backlash optimization via compatible gear couples on the assembly lines for planetary gearboxes S. 1147-1158

„… transmission field, mechanical design, and controlling field have been focused to backlash by investigating its …” „… main components of transmission should be inspected in each process of design, manufacturing …” „… precision gearboxes or transmissions by using the assembly/grouped methodologies and recording the operating …”

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

„… PID2019-110996RB-I00 “Simulation and control of transmission error of cylindric gears”, as well as the …” „… interference. The influence of the quasi-static transmission error on the tip interference is also considered …” „… order to reduce the size of gear drives for mechanical power transmission systems and, consequently …”

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 …” „… transmission. To avoid unwanted noise, extreme precision is important in manufacturing transmission gears to …” „… challenge to capture data from these outdated controls. In addition to the different machines, there is also …”

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

„… characteristics of gear transmission system. Journal of Low Frequency Noise. Vibration and Active Control, Vol. 33 …” „… noise radiation of gear transmission by calculating steady dynamic response and noise radiation. The …” „… meshing stiffness was used by Bozca [12] to reduce the gear rattle noise in an automotive transmission …”

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

„… (stress and transmission error) and flex spline stresses. Again, a validation exercise versus full FE …” „… control of movement, and a high ratio step down between the driving motor and slower end interface …” „… for a cycloidal drive is the transmission error (TE), which determines the positioning accuracy of the …”

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 …” „… necessary design adaptations for coated gears in LOL are discussed. Introduction Transmission systems for …” „… transmissions or geared turbofans must withstand considerable torques while operating at high rotational speeds …”

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 …” „… , manufacturing is a crucial aspect. Grinding disc parameters as well as a three-roll size to control the worm …” „… so-called three-roll size for the production control of worms. Such a calculation method for general flank …”

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 …” „… grinding, profile grinding, gear hobbing, shaving, and honing, methods of process control or tool geometry …”

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 …”

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

„… Control Accuracy Torque, at pinion, Nm 0, 1320, 1820, 2380, 3120 1.5% FS, PC-controlled Rotational speed …” „… extremely important for the reduction in weight and size of the overall mechanical power transmission …” „… auxiliary lubrication systems attached to gear transmission units. Thus, findings of this research may be of …”

S. Sartori, L. Alari, N. Motta, D. Podda Helicopter Drive System Safety Dissertation S. 633-644

„… triggers a dedicated bit in the control unit, which alerts the flight crew of the undesired event. It is …” „… normative for civil helicopters, the failure of the lubrication system of a power transmission unit should …” „… order to effectively optimise the performance of the transmission, a mind-set change is required: the …”

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 …” „… of an adaptive operating strategy [1]. By smart intervention in the control of the plant it is …” „… intelligent control of the gearbox via a PHM loop. An adapted periodic torque variation is tapped at the …”

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

„… transmission process of the mating gear teeth, the transfer path of the structure-borne sound is a complex …” „… . IntroductionIn modern power transmission systems, noise contributes as a quality feature to the success of a …” „… gearbox design. It is known that the power transmission process leads to an internal vibration excitation …”

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 …” „… lubrication in the transmission of a tractor. Concli et al. [41, 42] and Gorla et al. [43] applied the RMM to …” „… the oil flow in an automotive manual transmission. The results of predictions of lubrication …”

I. Atanasovska, D. Momcilovic Analysis of new tooth profile design based on the biomimetics principles S. 945-956

„… non-involute design based on control of relative curvature [15]. The operational performances of gear power …” „… transmissions primarily depend of the tooth root capacity, i.e., bending load capacity of gears. The analytical …” „… power transmission elements, the further investigations in the presented framework is one of the …”

A. Yavuz Kanyilmaz, B. Karba, M. VARDAR Classifying plastic beveloid gear quality considering manufacturing errors S. 1159-1172

„… (+/-). The aim of this project is to classify beveloid gear quality tables via high-accuracy quality controls …” „… uniform power transmission. This causes the gear to not transmit the desired power etc. In this study, the …” „… . In terms of uniformity of transmission of motion in systems, the average of the above four quality …”

J. König, M. Obermayr, T. Klein Digitalization of the Gear Development Process – Chances, Benefits and Risks S. 1017-1026

„… holistic approach for transmission design and allowed a consideration of the complex relations. In 2020, a …” „… approach. As a result, transmission design software like the FVA-Workbench was developed, which enabled the …” „… legal contracts. For example, export control of data or personal data that cannot be shared without …”

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 …” „… results suggest that further studies on Nb:MoS2 coatings for transmission systems applications are …” „… definition and the control of residual stress state in achieving enhanced adhesion and improved performance …”

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 …” „… shape and vibration test for a new transmission helical gear composed of steel and aramid/phenol …”

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 …” „… calculated by the control software of the machine, using the theoretical gear data and the required tooth …” „… contact analysis (LTCA) generates many interesting results, such as the peak-to-peak transmission error …”

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 …” „… sensitive to the chamfer design. In designs without lubrication pockets its geometry is a control parameter …”

H. Yakaria Securing the Quality Chain by the Networking with the Gear Suppliers S. 1617-1630

„… evaluation of measurement results, most gear transmission producers use commonly their own internal corporate …” „… problems. In the gear quality control, this software solution undertakes the complex data preparation for …” „… valuable solution to address these challenges. Specifically, in the context of gear quality control, this …”

K. Suzuki, K. Sakai, K. Sakai, T. Hara Considerations on Lubrication of High-Speed Rotating Gear (First Report) S. 741-752

„… controlPlanetary gear arrangementTraction driveHigh rotation support Tooth Damage PreventionTribologyTooth surface …” „… lubricationmethodMultispeed gear shifting Shifting gears mechanismVibration Damping ControlReduction of tooth …” „… impactvelocityVibration Mode ControlI/O DampingFig.1: Gearbox Performance Requirements and Elemental Technology Challenges …”

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 …” „… interpreted as points in . A B-Spline curve of polynomial degree de-fined by control points 𝑷 , is given as …” „… introduction of rational basis functions. Every basis function, or equivalently every control point, is …”

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 …” „… and nominal temperature control of the test samples. The latter was accomplished by using an optical …” „… control of all noted test parameters was enforced by implementing a proportional–integral–derivative (PID …”

D. Meyering, C. Hussmann Smart Gearboxes for a Sustainable and Reliable Industry S. 645-658

„… process knowledge and control. The load monitoring project showed that in mostly all applications …” „… avoided by simple adjustments in process control. With the increase of the utilization, the gearbox will …” „… . Jacobs, „From Strain to Loads: Development of a Measurement Solution for Wind Turbine Transmission Input …”

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 …” „… closed-loop temperature control. Whilst it is possible to set the machine to apply load at the Highest Point …” „… the tooth root under load, as well as conventional closed loop thermal control of the system. The load …”

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 …” „… integration point). The hourglass control of the element avoids arbitrarily large displacements which could …” „… for layer removal control; (c) Specimens’ geometry, measurement regions and their coordinate reference …”

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

„… high-frequency steep voltage edges of the control signal in combination with unfavorable electrical grounding …” „… of Three Automatic Transmission Fluids. Lubricants 2022, 10, 276. [11] Furtmann, A.: Elektrisches …”

J. Lövenich, M. Zalfen, D. Mevissen, J. Brimmers, C. Brecher Crack growth based tooth root life prediction model – an influence quantity analysis S. 109-124

„… aviation, aerospace transmissions require a very high power density. On the one hand, this is achieved by …” „… carburized gears compared to gas carburized gears [21]. Another control variable is the austenitizing …”

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 …” „… can be further increased by adjusting the control variables for binder application. Basically, the …”

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

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

C. 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

„… The effect of working surface deviation on transmission error in helical gears Ph. D. Candidate …” „… . Abstract Transmission error (TE) of the gear system describes the difference between the perfect kinematic …” „… transmission of motion and the one actually achieved. It is proven that TE is the principal source of vibration …”

A. Wallinger, R. Vonderschmidt, S. Vonderschmidt Lubricant Free Transmissions for the food industry – A Comparison S. 715-726

„… Lubricant Free Transmissions for the food industry – A Comparison Dipl.-Ing Andrej Wallinger …” „… servo gearmotors in a food processing device 2 Lubricant free Transmissions – steel, plastic, magnetic …” „… transmissions. The section is divided into the three technologies presented in this paper - magnetic …”

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

„… A Novel Dynamic Modeling Method of High-Speed Thin-Rimmed Gear Transmission Ph.D student Jiayu …” „… Zheng, Prof. Datong Qin, A. Prof. Changzhao Liu, State Key Laboratory of Mechanical Transmissions …” „… transmission and increase the vibration and noise of gear transmission. Therefore, a novel dynamic model is …”

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

„… 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 …” „… under load and manufacturing errors imply a not constant transmission ratio. This aspect is also …”

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

„… Challenges and possibilities of virtual development of e-axle transmissionsSPH-Simulation with …” „… on the transmission and the related cooling and lubrication system. In addition, cost pressure is …” „… . Optimizing the oil flow via transparent transmissions is costly and only leads to limited insights regarding …”

B. van Wissen, L. Pastukhov, F. Mitsuzuka, K. Iwanaga, A. Hasanovic NVH performance of thermoplastic gears: modelling and measuring S. 1389-1402

„… 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 …” „… variations in this transmission error are, the higher the local air wave pressure will change and the higher …”

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

„… transmission systems, controlling it via mesh phasing in such a way to improve NVH performance is crucial. In …” „… excitation with e-motor and to reduce total peak to peak transmission error by utilizing the benefit mesh …” „… ] studied how the transmission error and the load sharing of a three-planet planetary are affected by the …”

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

„… results in angular and speed fluctuations called transmission error. Deviations originate in geometrical …” „… Between the Dynamic Factors and the Dynamic Transmission Error of Spur Gear Pairs. Journal of Mechanical …” „… ., Borghesani, P., Randall, R. B. u. Peng, Z.: Absolute transmission error: A simple new tool for assessing gear …”

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

„… ensure safe operation, highly additivated gear oils are generally used in hypoid transmissions. Since it …” „… Transmissions, Manual Transaxles, and Axles. American Petroleum Institute, Washington, D.C., 18th Edition (2013 …” „… Carrying Capacity Test for Transmission Lubricants (2014). [13] DIN ISO 14635-2: Zahnräder …”

J. Vorgerd, P. Tenberge, M. Steinrötter Scuffing load carrying capacity of high-speed gears with an isotropic superfinished surface S. 227-242

„… .; 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 …” „… of dip lubrication, a temperature-controlled oil injection was used. For constant speed and oil …”

P. Fischmann, A. Hilligardt, V. Schulze Tooth Root Burnishing in the Kinematics of Gear Skiving S. 1829-1844

„… properties. Due to high power density and good efficiency at high transmission ratios, planetary gearboxes …” „… automotive transmissions, Berlin. [3] Hinterstoißer, M., 2014, Zur Optimierung des Wirkungsgrades von …” „… due to hardening distortions, the tool is designed in a force-controlled way by using disc springs …”

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 …” „… bench devices employing gear meshing under controlled parameters, is time- and cost-inefficient. The …” „… conditions in relevant range from low to high values and at different well-controlled environmental …”

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