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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:

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

„… eTransport Application of axle-integrated e-drive in urban LCV and MD trucks Dr.-Ing …” „… electric utility vehicles for urban logistics including rear axles with electric powertrain e …” „… extensive field trials as well as a discussion of certain technical aspects of axle drive, e.g. mounting …”

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

„… for FWD platforms, architectural derivatives are possible for RWD+P3 applications or pure e-axles …” „… in one solution, using an e-axle at the rear in addition to a pure FWD ICE powertrain …” „… (s) Base vehicle (non-hybrid) 4,7 P2 hybrid 5,1 P4 rear axle, pure eAWD 3,4 P4 rear axle, with …”

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

„… sescon gear 3 AVL 2 speed e-Axle applications The AVL 2speed concept is a modular and scalable solution …” „… the current AVL 2speed e-axle applications will be given. The architecture of the transmission is the …” „… described. 3.1 2speed Application for SUV The 2speed e-Axle application for SUV is the base design …”

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

„… a third axle. This e-axle can then also be installed into pure electric truck applications …” „… Multi-speed e-axle for electrified heavy commercial vehicles Dr. Ziya Caba, Melih Zafer, Caner …” „… reusability, a P4 layout is chosen, for which a newly developed e-axle is fitted to a conventional tractor as …”

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

„… developing an e-axle solution for heavy-duty trucks in an internal research program. The target application …” „… Development of a Heavy-Duty E-Axle Felix Bayer, M.Sc., Jürgen Tochtermann, Dipl.-Ing., AVL …” „… highly-integrated, compact e-axle, which also features a high power density and can be integrated into todays …”

Titelei/Inhaltsverzeichnis

„… eTransport – Application of axle-integrated e-drive in urban LCV and MD trucks …” „… List GmbH, Graz, Austria; A. Pujari, BMW Group, München Content f E-axles and Electrified AWD Power …” „… � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 125 J. De Landtsheere, TREMEC, Zedelgem, Belgium High Efficient 2 speed e-Axle – Highly efficient and …”

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

„… powertrains, starting with wheel individual electric motors or axle drives where the E-transmission is …” „… a new e-drive for commercial vehicles. The decision for an integrated axle drive does not clearly …” „… of this powertrain layout is that higher vibration loads at the E-axle might be challenging, given …”

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

„… pure electric or hybrid applications in particular the voltage level, e.g. ranging from 48 volts up to …” „… the application, different types of EM might be considered as well, e.g. an asynchronous motors (ASM …” „… Fig. 4: Schematic layout of an inline TDT4LR For inline applications two gear stages plus an axle …”

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

„… Semi-Trailer 40t Type BEV Central drive BEV Central drive BEV Axle drive e-Trailer Hybrid / Range …” „… generation of E-Mobility products since they are easily adaptable for different applications and allow …” „… ZF E-Mobility Software Functions for Commercial Vehicles Dr. Daniel Morgenweck, M.Sc. Michael …”

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

„… and proportionally higher cooling powers. In ZF electric axle applications, with the mentioned …” „… Thermal Simulation according to Maturity Level in E-Drive Development Dr. R. Rohith …” „… . Zusammenfassung Zur Erfüllung der Leistungs- und Bauraumanforderungen in E-Antrieben, ist ein effektives …”

C. Schörghuber, M. Ortner, J. Pell, S. Pretsch Holistic system design and operation of a fuel cell truck based on an innovative energy management S. 685-700

„… consists of several systems, the most important ones are the fuel cell, the battery, the e-axle and the …” „… powertrain are the hydrogen tank system, the fuel cell system, the battery system, the e-axle system, the …” „… ), refer to [3]. The fully integrated e-axle contains two e-motors, a shiftable two speed gearbox, a …”

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

„… E-Axle with multi driving modes for BEV & Mild HEV P4 The 3 in 1 e-Axle for EV requiring a wide …” „… Motor - Multi Driving Mode” e-Axle is a “Two motor - Two speed” eAxle developed to achieve low power …” „… operating principle and development purpose of this eAxle. 1. INTRODUCTION Last Mile EVs have begun to …”

A. Drechsel, J. Pellkofer, K. Stahl, J. Sandor, M. Hein Development of a new test method to investigate the wear behaviour of hypoid gear oils S. 453-468

„… thicknesses in terms of wear due to the axle offset, their flank geometry and their areas of application. The …” „… to their preferred application in vehicle axle drives, they are subject to highest demands in regard …” „… , highly loaded hypoid gears, which are preferably used in vehicle axle drives, exhibit an unfavorable …”

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

„… Differentials (eLSD or mLSD), the TR-9080 is utilized in several new mid-engine sports car applications. The …” „… the extra performance. The P4-front solution would make use of an e-axle in the front [1]. Although a …” „… performance DCT’s in recent years, with applications in the C8 Corvette, Ford Mustang GT500 and Maserati MC20 …”

G. Sandkühler Heavy Duty Vehicles with Electric Drive Train and Hydrogen Fuel Cells as Range Extender S. 701-702

„… handled under the name DUALPOWER, closer information to this is available on different public pages, e …” „… asynchronous motor (Pconst = 240 kW, Ppeak = 550 kW, Tpeak = 4.200 Nm) driving the rear axle via a …” „… . Different from many other application this drive motor is equipped with a disc brake directly on the shaft …”

H. Wittig, J. Engasser, A. Glavinic AEROFLEX – Distributed Hybrid Drivetrain for Long Haul Freight Vehicles S. 593-608

„… improved by adding additional drive axles, which e.g. improve gradeability. This concept might allow …” „… electro-hydraulic steering system by V.S.E. Vehicle Engineering B.V installed with a steered axle by BPW Bergische …” „… Torque Management System (GETMS), the Smart Power Dolly (SPD), which has a steerable front axle and an …”

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

„… ) either as a front driven solution or in combination with an electric drive system (eDS) on the rear axle …” „… ) Figure 3: eDrive in gear 2nd with a) axle torque over vehicle speed and b) DHD Plus torque flow path …” „… Figure 5. b) a) Figure 5: extended eDrive in 4th gear with a) axle torque over vehicle speed and …”

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

„… relative length. In case of the transmission, the speed ratio is optimized and the application of a …” „… driven by a central engine, electric all-wheel drive systems are realized as axle split systems. Both …” „… geometrical constraints imposed by the battery and the geometrical compactness of electric axle systems make …”

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 …” „… axle drive (e-drive) that consists of the main components “power electronics unit”, “electric machine …” „… Parking Lock Integration for Electric Axle Drives by Multi-Objective Design Optimization …”

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

„… . Here the second e-motor is mounted at the rear axle. The advantages of a serial driving mode can also …” „… including the option of an electric all-wheel drive (eAWD) by using an electric rear axle. With this …” „… combined hybrid for PHEV applications for the D/E-segment. With an input torque limitation of 430 Nm at a …”

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

„… internal combustion engine (ICE) only in conjunction with one or more E-machines [9]. An electrified …” „… powertrain consists of several mechanical elements, e.g. electric motor, transmission, differential, final …” „… application of objective driveability evaluation system enables the quantification of driver's subjective …”

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

„… validation [5]. This takes up the disadvantages of the sequential process models (e.g. V-model according to …” „… upshifting and downshifting, i.e. whether the target gear is increased or decreased. Depending on the …” „… perceived as very uncomfortable (e.g. flares or tensions) [1]. As already described, the control of the …”

N. Scharlach Possibilities of a modern Powertrainmanagement S. 719-0

„… physically based, so there is a reduced application & calibration effort. - Powertrain examples …” „… Drive off in the wrong direction o Blocked traction axle For the data & information exchange between …” „… structured in functional layers. The physical layer is the lowest one and represents the HW, e.g. the ICE …”

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

„… of bistability, which is also known in other applications (e.g. ballpoint pens, light switches …” „… system internal force application mechanisms: The first solution is based on a special bistable …” „… combustion engine and transmission (P2), on the transmission (P3), close to the axle (P4) up to …”

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

„… , 800V), eMotor position (P0, P1, P2, P3, P4, PS, RWD/AWD EV), multi-motor solutions (dual axle, P0/P3 …” „… driven OEMs to pursue a variety of solutions for their different applications including advanced …” „… , DHT, AWD EV), eTurbo™, eBooster® electrically driven compressor, variations in battery size and type …”

W. Sackl Sustainable Powertrain Solutions – the new role of the powertrain at Magna S. 1-10

„… condition’s that might change with little notice: e.g. there is uncertainty how the regulations for …” „… stands for a new level of control and active safety through increasingly automated driving and e …” „… example, by electrifying both front and rear axles, we achieve very fast and reproducible controllability …”

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

„… disconnectable eDrives Dipl.-Ing. Gilles Herbillon, VC ST Industrial Products, Sint-Truiden, Belgium erfor …” „… e-Drive department offers a smart portfolio of e-Drives concepts as perfect fits for the new EV …” „… : VCST eDrives AMT-concepts including a dog clutch technology ABSTRACT The future transmissions for …”

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

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T. Schmidt, B. Neubauer, D. Merk White Etching Cracks (WECs) on gears of E-Axle applications S. 257-268

„… White Etching Cracks (WECs) on gears of E-Axle applications Premature tooth flank fatigue Dipl.-Ing …” „… from left to right 2. FE8 Oil Test Today oils in eAxle applications must fulfill more requirements …” „… seems to be the result of a higher WEC-potential in modern eAxle applications compared with gear …”

Titelei/Inhaltsverzeichnis

„… | 148 mm x 210 mm CFD: ApplicationsChallenges and possibilities of virtual development of e-axle …” „… E-Axle applications 257T. Schmidt, B. Neubauer, Schaeffler Technologies AG & Co. KG, Herzogenaurach …” „… Munich, Garching, GermanyModel based NVH design: e-bike application 1229H. Mahe, Valeo PTS, Amiens …”

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

„… possible to their application a new hypoid scuffing test was developed. However, since spur gear scuffing …” „… to their kinematic conditions, hypoid gears with axle offset have an additional relative movement in …” „… oils close to their application, the test methods should be resource-saving, require low amounts of …”

I. Hong, D. Talbot Tooth Bending Strain Rate Analysis in a Counter Shaft Drivetrain and Implications on Fatigue Strength S. 53-66

„… , 32(6), pp. 473–483. [5] Rolinski, E., 2016, “Modern Nitriding Techniques for Gear Applications.Pdf …” „… higher than in application. As fatigue life requirements for gears increase, gear designers may start to …” „… available. The second is to understand what the strain rates are in the gearing application and to …”

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 …” „… Ölverteilung eines Untersetzungsgetriebes einer E-Achse mit Hilfe einer neuartigen CFD-Methode untersucht. Ein …” „… , the oil distribution of a reducer gearbox of an electric axle is investigated by means of a novel CFD …”

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

„… industrial applicationsProf. F. Concli, M. N. Mastrone, Free University of Bolzano/Bozen, Bozen …” „… subsequent meshes - the grids are comparable 3. New approaches for industrial applicationsIn the next …” „… still play a determinant role in several applications ranging from the automotive, to the aeronautical …”

H. Mahe Model based NVH design: e-bike application S. 1229-1238

„… Model based NVH design: e-bike application Dr. Ing. Hervé Mahe, Valeo PTS, Amiens, FranceAbstract …” „… this revolution and proposes an original concept of e-bike. For most of the e-bikes on the market, the …” „… gearbox is located on the rear axle. Valeo’s proposal consists in implementing an automatic 7 speed …”

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

„… ]. This position depends on the bevel gear geometry, both the ideal and the actual one (i.e. considering …” „… comes to e-drive – powered vehicles, where it is not possible anymore to rely on the masking effect …” „… , to enable testing gearboxes with two outputs, as it happens in vehicle axles. This reconfigurable …”

J.-A. Meis Parametric system simulation of load sharing in planetary gearboxes S. 269-280

„… especially the geometry of the structural components, e.g., the planet carrier or the housing, are only …” „… of necessary elements and facilitates the contact calculation and the application of the gearing …” „… be set up, e.g. if a special friction coefficient or geometrical modification shall be used. An …”

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 …” „… Process Dipl.-Ing. Thomas Kleiber, Dr.-Ing. Benedikt Neubauer, Business Division E-Mobility, Schaeffler …” „… typical e-mobility internal gears go up to second gear mesh order. This order range divides into five …”

M. Fürst, S. Sepp, D. Schweigert, M. Otto, K. Stahl Experimental Investigation of Moving Contact Pattern in Helical Planetary Gearboxes S. 569-582

„… beneficial for a wide range of high-performance applications. Embedded in the efforts for resource efficiency …” „… applications. In general, a uniform load distribution in the tooth contacts and an equal load sharing between …” „… considered by load factors in the load carrying capacity assessment, e.g. ISO 6336 [1]. Theoretical and …”

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

„… Applications. Lubricants 7 (2019) 4, doi: 10.3390/lubricants7040033. [10] Fachagentur Nachwachsende Rohstoffe e …” „… Heavy-Duty Truck E-Axle with Oil Analysis Data. Lubricants 10 (2022) 10, doi: 10.3390/lubricants10100252. [17 …” „… aging relevant for real applications in electrical drive systems must be established. This paper …”

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

„… , T. Giese; NVH Analysis and Simulation of Automotive E-Axles - Gear Technology Jan/Feb 2021 [2] S …” „… transmissions are meanwhile state of the art and are requested for many applications. For the analysis of …” „… calculation approaches consequently lead to different application areas. So, for example, the time domain …”

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

„… mapped and reproduced. In conclusion, the FVA-Workbench in conjunction with AVL Excite for e-Axle is a …” „… verified method that has been deemed sufficiently precise for tooth contact simulation in most applications …” „… high-torque e-machines are larger and more expensive, and therefore lean and compact high-speed drives are …”

F. Reinle, D. Mangherini, A. Bongiovanni Enhancing gear performance through advanced mass finishing and DEM simulation S. 1777-1786

„… workpiece holder axle. It is evident that the particles do not undesirably adhere to the gear, as the …” „… creating relative velocity within the gaps e.g the flank surfaces. The deceleration observed as particles …” „… application scope can be expanded to accommodate a wider range of geometries and improve process performance …”

A. Hilligardt, V. Schulze Gear Skiving with Minimum Twist Errors S. 1749-1764

„… ] Daniel, B. and Biermann T.: eAxle Family in Coaxial and Offset Arrangements, 16th CTI Symposium …” „… produced. In practical applications, the unintended profile angle changes over the tooth width resulting …” „… efficiency and material utilization. At the same time, the limited space available for mobile applications …”

doi.org/10.51202/9783181024225

VDI Wissensform GmbH - Drivetrain Solutions for Commercial Vehicles

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VDI Wissensform GmbH (Hrsg.)

Drivetrain Solutions for Commercial Vehicles

Reihe: VDI-Berichte

Band 2421 2023

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B. Wunderlich Development of an heavy duty eAxle for worldwide application within Daimler Truck portfolio S. 175-180

„… Development of an heavy duty eAxle for worldwide application within Daimler Truck portfolio Dipl …” „… housing. It is used for eCascadia’s 4x2 configuration or tan-dem as first rear axle (6x4 application …” „… used as second rear axle for the eCascadia 6x4 application. Fig. 5: Overview Re440 derivates and …”

I. Gonzalez, C. Reisinger Electrifying trucks and commercial vehicles without compromise S. 59-66

„… KG, Lannach, Austria 1. Market requirements for eBeam applications The truck and commercial …” „… described, three basic beam axle architectures were determined: For applications with high rigidity …” „… also two ‘Salisbury’ type axles, where the axle steel tubes are pressed to the housing of the e …”

M. Trahand Drivetrain architectures and vehicle integration: The evolution and advantages of in-wheel propulsion for heavy-duty commercial vehicles S. 123-134

„… inte-grating it into eAxles. The next step in electric drivetrain evolution led motor companies to combine …” „… motors and controls for a variety of commer-cial vehicle applications. The PreSet Plus eHub wheel end …” „… vehicle applications. VDI-Berichte Nr. 2421, 2023130 Fig. 3: PreSet Plus eHub potential applications …”

M. Eisele, M. Kohler Modular Electric Driveline Platform for Commercial Vehicles – Central Drives and Electric Axles Built up From Standardized and Scalable Components S. 37-46

„… applications matrix, where the effort for e-axle integration might be too high. VDI-Berichte Nr. 2421, 202338 …” „… the electric axle. They are more suitable for standard truck applications with high volumes, where a …” „… applications and are a key enabler for high integration level of e-motor and transmission. No. Driving …”

C. Braykoff CAM – Common Axle Module – The TRATON Common Axle Module for conventional and electric powertrain S. 67-74

„… every customer application. The new axle drive generation should be lighter and more efficient as the …” „… axle for very demanding transport and construction site applications, which should be stronger than the …” „… existing MAN axle HYD-1370. A medium-heavy tandem, which is based on a less demanding or normal application …”

Titelei/Inhaltsverzeichnis

„… ComponentsDevelopment of an heavy duty eAxle for worldwide application within Daimler Truck portfolio 175B. Wunderlich …” „… wieder. Printed in Germany.ISSN 0083-5560ISBN 978-3-18-092421-2 · E-ISBN 978-3-18-102421-8 …” „… concepts for fuel cell commercial vehicles – From practical to application-oriented designs 13H. Heimes, A …”

A. Rozum, R. Uerlich, G. Witham, L. Eckstein Modular powertrains for heavy-duty electric vehicles – From concept to prototype S. 191-0

„… project of Concept ELV2 (funded by BMWi), a novel electrically driven axle (e-axle) is developed together …” „… requirement sources for heavy duty vehicles, followed up by different transmission concepts for e-axles. A …” „… different operation strategies of the latter. Lastly, the measurement data of the Concept ELV2 e-axle …”

B. Meurer The next level of an improved Truck-Trailer connection and interaction – Examples for Electrification and Automated Driving S. 29-36

„… battery cooling system with further com-ponents and an adapted suspension to integrate the ZF e-Axle …” „… mechanically, Fig. 2. The elec-tric axle builds on ZF’s axle program for truck applications. It integrates the …” „… in one housing. The electrified trailer’s e-Axle recuperates kinetic energy during braking …”

A. Arnberger, H. Wancura, M. Wieser, H. Zhou, W. Gruber, J. Pell, C. Schörghuber Hybrid powertrain with hydrogen-engine – Technical solutions for future commercial vehicle powertrains S. 79-92

„… measure above, i.e., the use of a hybrid powertrain, needs to be evaluated in detail, as the Diesel engine …” „… further improve the fuel consumption of a long-haul heavy-duty application by approx. 6% [1] on the VECTO …” „… Long haul cycle.  Transient Load Response: The instantaneous available torque of an e-motor supports …”

G. Wiche Voith Central Drive Concept for HD Trucks S. 181-190

„… ), Heidenheim Zusammenfassung Eine der großen Herausforderungen des Übergangs zur E-Mobilität besteht darin …” „… 181 Abstract One of the main challenges of the transition towards E-Mobility is the implementation of …” „… AMT was designed from scratch and fits to all E-Mobility specific needs. The patented structure …”

H. Heimes, A. Kampker, M. Kehrer, S. Hagedorn, P. Euchner Packaging concepts for fuel cell commercial vehicles – From practical to application-oriented designs S. 13-28

„… Packaging concepts for fuel cell commercial vehicles From practical to application …” „… M.Sc., Chair of Production Engineering of E-Mobility Components (PEM) of RWTH Aachen Zusammenfassung …” „… further application areas in which he integrated his powertrain technology. Hence, Daimler was able to …”

J. Hohn, M. Fister, C. Spieker, A. Lemmer Optimisation of an unsynchronized transmission for commercial vehicles up to 7 tonnes S. 161-174

„… und der Schaltvorgang vorgestellt. Abstract Synergy effects should be used through the application …” „… powered purely by internal combustion engines. This problem is the motivation for the Scale-e …” „… , this type of unsynchronised gearshift has mainly been used in racing or motorbike applications, due to …”

doi.org/10.51202/9783181024218

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VDI Wissensforum GmbH (Hrsg.)

Dritev 2023

Reihe: VDI-Berichte

Band 2420 2023

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R. Plavullathil, M. Rihn, C. Bridier Marelli’s eAxle family strategy – Agile answer to a moving EV market S. 281-294

„… Marelli’s eAxle family strategy Agile answer to a moving EV market Dipl.-Ing. Rahul Plavullathil …” „… field of e-axle design and development is incredibly hard. To design an e-axle optimized for the …” „… capability to cover more than 90% of the market needs of e-axles, from A segment cars to performance cars and …”

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

„… Management Solutions: Dynamic Controllable Clutch (DCC) and Electro-Mechanical E-axle Disconnect …” „… . Another key difference is that electric vehicles have a dedicated eMotor for each axle, or in some cases a …” „… eAxle system. In this centralized location, both wheels of the axle can be disconnected with a single …”

M. Magnusson, O. Nicklasson, H. Jacobsson Electric Cross Differential, eXD S. 235-252

„… propulsion axle equipped with an eXD (eLSD). An open differential mechanism acts as 50/50% torque …” „… speed. To increase the torque on the high grip side, a propulsion axle equipped with an eXD can instead …” „… the axle input torque is on average 1950Nm. When eXD is used, the average propulsion power is 7.1kW …”

Y. Jin Smart eDrive – Autonomous cooling eDrive for small BEVs and P4 AWD S. 21-36

„… related components and integrate the cooling elements directly on the eAxle. For example, the water pump …” „… will be inte-grated on the eAxle as an oil pump. The radiator will be integrated as the cooling fins …” „… all over the surface of the eAxle. The eAxle will fully be cooled by the air flow externally, making …”

S. Yan, P. Piecha, N. Hetzel Virtual Generation of Load Profiles and Spectra for Designing Electrified Vehicles – The influence of software and driving scenarios on powertrain design S. 377-390

„… be modeled and parameterized adequately. In an application example, load data are derived for …” „… scenario. 3. Application Example To generate load data, an all-wheel-drive electric vehicle with one …” „… electric motor per axle was modeled. For this vehicle, two different torque vectoring strategies (TVS) were …”

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

„… .): Executive Order N-79-20 [3] Biermann, T.: The Innovative Schaeffler Modular E-Axle. Baden-Baden: Schaeffler …” „… zwei E-Motoren in einem Stator zu kombinieren. Vorteile dieses geschachtelten Aufbaus sind die hohe …” „… das neue Schaeffler Blech-Kegelraddifferential, welches bei Hybrid und E-Fahrzeugen eingesetzt werden …”

J. Bonifacio, V. Warth, S. Scharr Optimizing sustainable high-performance e-drives S. 349-358

„… , W., Warth, V.: System Optimization for 800 V e-drive Systems in Automotive Applications. ATZ …” „… choice of the gear-ratio and special requirements for high power automotive applicationsGearbox design …” „… automotive applications relate to the maximization of the efficiency and reduction of the total weight of the …”

J. Gindele, F. Faistauer The Future of BEV: High Performance Without Compromising Driving Efficiency S. 37-44

„… relevant operating points were depicted via eDrive axle speed and axle torque. The relevant operating …” „… the rear axle). The savings are achieved in operating phases that are relevant for consumption, i.e …” „… shown that with an intelligent eAWD (electric all-wheel drive) design, all-wheel drives can even be more …”

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 …” „… 2021, we introduced the eActros with an in-house developed and produced e-axle, address-ing regional …” „… applications where we foresee significant ad-vantages for H2 based propulsion. These applications e.g. demand …”

H. Sandquist, E. Barrientos, S. Klacar Systemized Modular Approach for Electric Drive Unit Family Development S. 89-106

„… vehicles applications. The E-Motor scalability makes application and differentiation easy.EDU L300 – 178 kW …” „… peak efficiency ≥ 97.5%. For the secondary axle in BEV applications an induction machine would be …” „… -, structure systems, or optional shifting elements. To create flexibility for application without sacrificing …”

C. Reumüller, M. Sedlmair, M. Hein, A. Damm Transformation from conventional to electric powertrains Challenges in testing mechatronic shifting systems S. 359-376

„… example to disable 4-wheel-drive [2] for reducing drag torque in cruise mode or to connect an e-axle in a …” „… powertrain of the future for passenger cars as well as commercial vehicle applications will also contain …” „… gears, limited slip differentials, active torque vectoring or connect and disconnect systems for axles …”

Titelei/Inhaltsverzeichnis

„… , DarmstadtMarelli’s eAxle family strategy – Agile answer to a moving EV market 281R. Plavullathil, Marelli EPT, Turin …” „… optimization of the NVH behavior of an eDrive power train – Application of a Targeted Micro Geometry Scatter …” „… VDI-ConferenceDritev 2023July 5 and 6, 2023, Baden-BadenMain topics:Thermal management of e-machinesDesign and …”

C. Mohr Acoustic Optimization of Electric Powertrains from a Vehicle Level Perspective S. 471-0

„… e-axle; this involved performing a noise synthesis based on compo-nent measurements as well as a full …” „… vollständige Werk-zeugkette wurde an einem Demonstrationsfahrzeug mit einer E-Achse von Schaeffler vali-diert …” „… applications, can already be defined at a very early development stage, Figure 1. The robustness of a limit …”

A. Paone, J. Larbig, A. Rohm, T. Höche ZF TherMaS: Holistic Thermal Management for BEV S. 45-60

„… vehicles (BEV) have almost reached levels of perfection at test conditions, e.g. WLTC. But in real driving …” „… , when heating of e.g. cabin and battery is required, realized by electric heaters supplied by battery …” „… increase efficiency, every kind of optimization on the component level (e-motor, power electronics, reducer …”

A. Kappes, S. Frei, P. Noone, Stephan Rinderknecht Development and Design of a Range Extended four-speed Two-Drive-Powertrain S. 253-280

„… Darmstadt Zusammenfassung Es wird ein elektrischer Doppel-E-Antrieb vorgestellt, der einen …” „… Doppelwechselrichter ermöglicht zusammen mit zwei kleineren E-Maschinen die Nut-zung von Downsizing-Effekten bei …” „… axle and connect them to the same transmission output, as illustrated in Fig. 4 as a TDT11. The expense …”

C. Gürlich, S. Demmerer, M. Winkel, K. Führer Transmission – the most underestimated part of the electric drive – Next generation transmission S. 183-196

„… ) Integrated e-drive system with e-motor, power electronics and reducer from a single source [3] Coaxial and …” „… . This design is commonly used in vehicles that have little space for the e-drive and is known for its …” „… various applications. Building a modular system out of a flexible gear ratio offers several benefits …”

doi.org/10.51202/9783181024201

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Treffer in den folgenden Teilen:

J. Merckling Use of Power-Dense Fuel-Efficient Tapered Roller Bearings in E-Drives under Low-Viscosity Oil and High-Speed Conditions S. 153-168

„… for electric vehicle e-axles, since their bearing loading and application drivers are different from …” „… testing the full application/e-axle. A benefit of this approach is that it isolates bearing losses from …” „… drivelines) designed for these applications.Fig. 4: Example e-driveVDI-Berichte Nr. 2401, 2022156Speed …”

Titelei/Inhaltsverzeichnis

„… ApplicationsFlowforming – High-strength complex components including toothing formed from a single sheet of metal …” „… drivesIntelligent all-wheel driveThermal management of e-machinesSustainability and life cycle analysis in …” „… Germany.ISSN 0083-5560E-ISBN 978-3-18-102401-0ISBN 978-3-18-092401-4Bibliographische Information der Deutschen …”

D. Held The EtelligentReach Project – A new Level for Range and Dynamics S. 267-276

„… advanced disconnect strategies on both drive axles, new winding technologies for the e-machines, optimized …” „… equipped with a decoupling unit which allows Magna’s operation strategy to decouple the front axle e …” „… Vehicle eDS, Magna Powertrain GmbH & Co KG, Lannach, Austria Abstract: Technical solutions 1st, 2nd and 3 …”

A. J. Wimmer High-Speed Testing: The Fast Lane towards a Running System S. 365-380

„… high-speed drive test systems for e-mobility applications over the last decade (projection for 2022 …” „… in test set-ups for complete e-axles. In such a highly integrated environment the axle shafts run …” „… testing applications regarding e-mobility are equipped with measurement devices. Apart from standard …”

T. Skubacz, C. Burkhardt, S. Krischke Proof of Concept: Bistable Shift Element S. 241-252

„… . The second example (Fig. 1b) shows the application in an e-axle configuration. The vehicle may also be …” „… equipped with two independent e-axles (front/rear drive). The bistable switching element enables the …” „… driving conditions. VDI-Berichte Nr. 2401, 2022242 Fig. 1: a) Multi-mode hybrid drivetrain b) E-axle …”

D. Lindvai-Soos, S. Kaimer Electric Drives for All-wheel Functions – A System Comparison of ASM and PSM S. 109-118

„… axle. The driver experiences enhanced traction and better handling. Therefore in electric passenger …” „… importance for these volume applications. They complete the primary drive with a drive of the second axis. In …” „… , only one driven axle and a driving range from 350 to 500 km are typical. Above these, performance …”

J. Kniel, M. Göckler, B. Müller Holistic thermal management as a “must have” for efficient BEV S. 397-406

„… electronics to the system requirements of a E-Axle or even coolant and refrigerant circuit and vice versa …” „… a different situation. Choos-ing the cooling concept of the E-Axle and E-Motor is the second step …” „… thermal strate-gy on vehicle level, see also Fig. 7. For example, in the case of a BEV, our e-Axle model …”

K. Lee, M. Song, S. Lim Multi-body Dynamics of a Vehicle Axle System Based on a Time-varying Gear Mesh Model for Investigating Hypoid Gear Noise and Vibration S. 185-196

„… charac-teristics of the rear axle in a vehicle application. In the hypoid gear set, the precise time-varying hypoid …” „… Multi-body Dynamics of a Vehicle Axle System Based on a Time-varying Gear Mesh Model for …” „… source due to the induced misalignment under high loading and external road conditions in the axle …”

T. König, L. Stütz, L. Bauer, M. Kley Model-based simulation of a longitudinal dynamics vehicle model with a single-wheel drive S. 381-396

„… selected. The longitudinal dynamics (e.g. vehicle speed) are simulated via a two-axle vehicle body in …” „… ., Öztürk, N. and Kurt, E.: Application of artificial neural network to esti-mate power generation and …” „… about the performance of vehicles. In the following application, a multifunctional implement carrier …”

H. Spånberg Electric Torque Vectoring Disconnect unit, eTVD S. 253-266

„… motor on the secondary axle. This paper explains the benefits and possibilities with the eTVD from a …” „… on the rear axle. In that way the eTVD offers the possibility to freely distribute the accelerating …” „… separation of the discs when the system does not need traction force on the rear axle. Then the rear E …”

M. Essam Ahmed, I. Garcia de Madinabeitia Merino, F. Duchi Advanced Electric Drive Modelling for Thermal and NVH adaptive control S. 407-0

„… Advanced Electric Drive Modelling for Thermal and NVH adaptive control Case study 48V e-Axle for …” „… . AVL has succeeded in realizing a 48V e-axle with up to 32kW peak performance, used in a P4 …” „… practical example of the presented 48V e-axle can be seen in Fig. 6 [3]. The overshoots with a step response …”

F. Pfister, N. Hetzel, K. Büttner Objectified Evaluation of Fundamental Driveability Maneuvers at Powertrain-in-the-Loop Testbeds for Electric Drive Units S. 61-72

„… . 2401, 2022 611. Introduction The automotive industry is shifting towards e-mobility. Manufacturers …” „… e.g. [1]. This suggests that the calibration of electric powertrains regarding driving comfort and …” „… has an additional electric axle, but the testbed only has two dynos, this axle is operated as a …”

M. Hein, S. Prinke, A. Damm, P. Fischer Testing of shift elements – Standardized Methods, State of the Art and Future Challenges S. 73-94

„… steps e.g. up to 20 m/s sliding speed can be added easily if required. For DCT applications the shifting …” „… FISCHER, PEI & DAMM [8]. Such applications can be used for disconnecting axles in electric AWD (so-called …” „… elements, for example to realize multi speed functionality, for connect / disconnect applications or as …”

M. Schröder, K. Herold, C. Monissen Efficiency Increase of Electric Machines with Active Thermal Field Weakening S. 119-132

„… ., Maiterth, J. M., Pischinger, S.: Cost Optimization of E-Drives for Traction Applications, 29th Aachen …” „… are based on a compact electric vehicle, driven on one axle by a drive train with a peak power of 150 …” „… state-of-the-art PMSM for traction applications. The machine has four pole pairs with a delta-shaped pole geometry …”

V. Ludwig Life Cycle Assessments – Magna’s Path to Eco-Social Products S. 27-36

„… increasingly confront the automotive industry is social due diligence, i.e., auditing suppliers and …” „… several OEMs have been using in many applications. The study considers the entire cradle-to-gate chain …” „… products, i.e., mainly iron and steel, followed by production of the raw material. It includes the …”

G. Göppert, M. Adrian AI Approach to Wet Friction Torque Model Adaptation S. 321-334

„… clutch supported ICE starts. In addition, multi-gear e-axle systems or mechanical torque vectoring units …” „… . LSTM can back-propagate many cells without eliminating the gradients. The application and learning of …” „… . Input is 20 equidistantly sampled time frames of 11 input signals – shape of input is (20,11), i.e …”

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