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VDI Wissensforum GmbH - International Conference on Gears 2022

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2022

Series: VDI-Berichte

Volume 2389 2022

Results in this title

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

„… Application of High Performance Polymer Gears in Light Urban Electric Vehicle Powertrains S …” „… possi-bilities of implementing high-performance polymer gears in the powertrain of a light electric vehicle. For …” „… given assumptions, the use of polymer gears in a powertrain of light electric vehicles appears to be …”

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

„… , a two-stage powertrain model powering the front wheels of an electric vehicle is considered as a …” „… two-stage powertrain model The electric axle analyzed in the following is a single-speed, two-stage gearbox …” „… powering the front wheels of an electric vehicle, as shown in Figure 1. The powertrain consists of the …”

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

„… . , and S. K. Porandla . "Design Optimization of a Parallel Hybrid Electric Powertrain." Vehicle Power …” „… Integrated optimization of structural and control parameters for a hybrid electric system Lin Bo …” „… to improve the dynamic performance of hybrid electric vehicle, the parameters of hybrid electric …”

B. Zhmud, M. Bengtsson, L. Everlid Improving the tribological and nhv behavior of gears by mechanochemical surface finishing S. 1365-1370

„… advantages over traditional powertrains, the drivetrains of hybrid (HEV) and full battery electric (BEV …” „… Powertrain electrification has been a growing trend in the automotive industry. While having multiple …”

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

„… powertrain is associated with many chal-lenges. Current design guidelines are not able to describe the …” „… failure. Introduction and state of the art Power density increase in modern powertrain concepts …” „… Improving the power density of electric drives is possible by augmenting the maximum speed of the motor …”

Titelei/Inhaltsverzeichnis S. I-XXVIII

„… Geometry effectsApplication of high performance polymer gears in light urban electric vehicle powertrains …” „… acoustic/NVH problems – practical example of a passenger car powertrain 779F. Thurner, Contech …” „… electric system …”

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

„… distribution by a high-speed camera. 1. Introduction Within the development of modern powertrains, a deep …” „… following description is partly based on. The mechanical layout is shown in Figure 4. The electric engine …” „… , K.: Efficient lubrication of a high-speed electromechanical powertrain with holistic thermal …”

doi.org/10.51202/9783181023891

VDI-Wissensforum GmbH - DRITEV – Drivetrain for Vehicles 2021

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VDI-Wissensforum GmbH (ed.)

DRITEV – Drivetrain for Vehicles 2021

Series: VDI-Berichte

Volume 2381 2021

Results in this title

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

„… Holistic Design of All-Wheel Drive Electric Powertrains Using a Multi-Objective Optimization …” „… electric powertrain topologies with respect to technical and economic objectives. Danzer chooses a brute …” „… 2 All-wheel drive electric powertrain The principal layout of the investigated powertrains …”

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

„… of electric powertrains. Furthermore, the driveability of longer and heavier long-haul vehicles is …” „… powertrain technology. To optimize efficiency, all available powertrains – especially electric ones – are …” „… powertrain of the pulling vehicle with electric drives in other vehicle units. This concept might allow to …”

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

„… electric powertrain, the maximum torque is available immediately and constantly over a wide speed range …” „… powertrain consists of several mechanical elements, e.g. electric motor, transmission, differential, final …” „… with this DHT are pure electric drive most of the time. In addition, the electrified powertrain …”

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

„… electric motor with 100 kW peak power is already pre-optimized by the variation study with IAV Powertrain …” „… , weight and costs, vehicle manufacturer are looking for the optimal powertrain configuration and …” „… meet this market demand for a wide range of vehicles with front-transverse powertrains …”

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 …” „… : Hydrogen Powertrains in Competition to Fossil Fuel based Internal Combustion Engines and Battery Electric …” „… the most efficient option for a sustainable mobility. To propose a well-suited powertrain concept …”

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

„… , hybrid and all-electric powertrains. With lower levels of emission targets for 2030+, the market demand …” „… to generate the powertrain properties for the battery, power electronics, the electric machine and …” „… methods among others for transmission, electric motor and actuation. The result consists in a powertrain …”

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

„… 500 km. Commercially available BEVs are mostly based on powertrain layouts with one powerful electric …” „… overview over the TDT powertrain family, distinguishing between pure electric and hybrid variants. Fig …” „… concept was developed to realize a full electric powertrain despite the limited installation space and to …”

Titelei/Inhaltsverzeichnis S. I-XVI

„… Holistic Design of All-Wheel Drive Electric Powertrains Using a Multi-Objective Optimization Algorithm …” „… VDI Congress Dritev Wissensforum Main topics: Design of electric drives Optimised mechanical …” „… younger generations towards mobility f Drive Architecture Sustainable Powertrain Solutions – the new role …”

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

„… electric utility vehicles for urban logistics including rear axles with electric powertrain eTransport …” „… common electric powertrains for medium-heavy duty vehicles, the current development status based on …” „… vehicles by 2025, however, a scarcity of electric vehicles is obvious. BPW Bergische Achsen KG develops …”

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

„… combustion engine (ICE) torque and an electric boosting capacity up to 550 Nm equivalent input torque. The …” „… electric machine (EM) replaces the launch gear and optionally the reverse gear. For highest possible …” „… powershift in electric drive, an electric crawler functionality with approx. 30 % more electric low speed …”

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

„… to control the electric and thermal energy flow in order to achieve highest powertrain efficiencies …” „… . Sabine Pretsch, AVL List GmbH, Steyr, Austria Abstract The powertrain of a fuel cell truck …” „… investigated. Furthermore, the energy split between the involved powertrain sub systems is analyzed. Based on …”

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

„… solutions for clutch and shift functions in electric and hybrid powertrains are presented. In contrast to …” „… Shift Elements for Electric and Hybrid Drivetrains Shift elements with low drag losses, high …” „… . Motivation Hybridization and electromobility are current trends in the powertrain development of modern …”

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

„… Simon Kaimer, Magna Powertrain GmbH & Co. KG, Lannach, Austria Since the 1950s, all-wheel drive …” „… favorable in terms of driving dynamics and efficiency? Magna Powertrain has compared four different axle …” „… require powertrain electrification. But electrification or hybridization on many different scales leads …”

M. Muether, B. Heuser, L. Virnich, A. Guedden, T. Luediger, D. van der Put Development trends towards CO2-neutral powertrains for HD applications S. 529-550

„… Development trends towards CO2-neutral powertrains for HD applications M. Muether, B. Heuser …” „… and fuel cell systems, but will be extended also to battery electric vehicles, with the focus on this …” „… technology currently coming from the passenger car sector. It will be discussed how many possible powertrain …”

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

„… research project “Speed4E”, such an innovative powertrain for battery electric vehicles is developed with …” „… powertrains Design approach, realization and use cases of the component test bench Guanlin Gao, M.Sc …” „… . In addition to the model-based development and optimization of powertrains or its components …”

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

„… Although many different electric powertrain architectures exist, the most common one is a purely electric …” „… ., Gintzel, M., et al.: Multi-Objective System Design Synthesis for Electric Powertrain Development, 2018 …” „… 10010-018-0278-9 [7] Lechleitner, D., Hofstetter, M., Hirz, M.: Cost Reduction of Electric Powertrains by …”

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

„… Finite element approach for analyzing noise and vibration in electric drives Dr.-Ing. A …” „… method for analyzing the factors influencing internal mechanical excitation in electric drives. This …” „… influences of the electric motor and transmission. The FE model is used to determine transmission errors …”

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

„… , resulting in improved performance, highly efficient electric driving, and enhanced vehicle dynamics. A …” „… hybrid axle concept is realized that combines a power dense electric motor with a mechanical on-demand …” „… severely cut CO2 emissions. While full electric BEV platforms are on the rise, mainstream passenger cars …”

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

„… and individualized. This means electric powertrains will need to have a high level of hardware …” „… powertrains/drivetrains can be scaled with a manageable effort., and functionality and performance will be increasingly …” „… Sustainable Powertrain Solutions – the new role of the powertrain at Magna Die veränderte Rolle …”

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

„… The Pendulum Rocker Damper Providing flexible damper characteristics for hybrid powertrains …” „… auf. Abstract Hybridized powertrains pose special challenges in the fulfillment of comfort targets …” „… powertrains, allows the integration of torque limiters and offers the interfaces known from conventional …”

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

„… development process efficiently. 3. Thermal simulation of electric motors for vehicle drivetrain …” „… applications Thermal simulation of electric drivetrains can be performed based on two general methods. These …” „… methods at different stages of ZF electrified powertrain development is summarized in Figure 1. Fig …”

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

„… Otosan and FEV are developing an electric axle for heavy duty commercial vehicles. The unit is intended …” „… electric trucks up to 27 tons. In an extensive concept definition phase, a 3-speed AMT layout with two …” „… integrated, coaxial electric machines has been selected based on the vehicle-level requirements, including a …”

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

„… Development of an all-new hybrid transmission A.R. Lowis, R. Smith, A. Tauchmann, hofer powertrain …” „… powertrain, suitable for high performance sportscar applications. The transmission features hybrid …” „… the powertrain, in-particular the transmission. Dual Clutch Transmission systems in the market all …”

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

„… transmissions in electric powertrains. VDI-Berichte Nr. 2381, 2021 325 At the same time, Freudenberg …” „… Energy-efficient Hydraulic Control for the Multi-speed Transmission of an Electric Vehicle …” „… mit Hilfe eines Hydrospeichers zur Steuerölversorgung der Schaltaktuatorik. Abstract Electric …”

P. Geskes, J. Treier, M. Moser MAHLE 48V Battery for Truck applications S. 581-592

„… including a 48V electric motor and a 48volt battery pack. This pack ensures charging and discharging power …” „… battery pack and electric motor. 1 Introduction The 48-volt system can bring considerable contribution …” „… system or can be fed back to the powertrain under high loads. Braking energy can be stored temporarily …”

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

„… combustion, FCEV, electrified boosting, hybrid, plug-in, and full battery electric systems. Within each of …” „… is more feasible to achieve. An example data file is an electric motor loss map: Power loss …” „… , and chemical models of the components. An example was given in Section 2, where electric motor loss …”

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

„… major problem with electrified powertrains is the lack of electric range. ZF tackles the challenge by …” „… - Extender Electric motor type Induction motor Induction motor Induction motor PSM Power peak 300 kW 125 …” „… fixed ratio gear set. The electric components come from the ZF volume-produced product Electric Axle …”

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

„… electric vehicles. The trade-offs between city and highway driving can still be met while ensuring that …” „… operating points are within the best efficiency zones of the electric motor. The resulting efficiency …” „… improvements can increase the driving range or downsize the batteries or the powertrain. One of the main …”

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

„… powertrain development for passenger cars because of the legislations. The market acceptance for battery …” „… electric vehicles has increased significantly the last 5 years and are increasing even more than expected …” „… windings. This concept is introduced several years ago in the AVL COUP-E 800V electric vehicle [4]. The …”

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

„… ’ standard HD truck architectures, in order to support BEV as well as FCEV powertrains in the future [1 …” „… required can be relatively big. To address the issue of high flow, two electric oil pumps were planned to …” „… lifetime expectation VDI-Berichte Nr. 2381, 2021634 for this powertrain path. With a 50/50 torque …”

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

„… propulsion technologies has increased. Powertrain electrification has brought battery and fuel cell electric …” „… early development phases with upstream test environments (e.g. chassis dyno, powertrain testbeds …” „… powertrain ensures a setup for pure driving pleasure. Besides giving an overall impression of the driving …”

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

„… Vehiclein-the-Loop (ViL) or Powertrain-in-the-Loop (PiL) test benches, the longitudinal acceleration must be …” „… sequences are powertrain-induced, transient phenomena, the author is not aware of any publications in which …” „… transmission behavior of the powertrain-induced oscillations from the aggregates via the subframe to the body …”

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

„… be widely used mainly to solve environmental problems in urban areas, and thus a low-cost powertrain …” „… , M.: Effective Drive Control of an Electric Vehicle with DC motor and CVT. JSAE Annual Congress, No …”

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

„… Foundation for the Toyota Prius THS-II Powertrain with a Comparison to a Strong Parallel Hybrid-Electric …” „… this paper (refer Fig. 1 lower part). In general, the approach is suitable for pure electric drive …” „… of spur and helical gears, ISO 6336, 2006. [6] Nosch, J.-L.: Automated Selection of Electric Motors …”

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

„… Before 2020, this was already intended that electric powertrains would become the new trend for the road …” „… electric vehicles should be preferably - Simple and inexpensive: low cost EDU’s should balance battery …” „… technology combined with advanced control features is a good fit for the “NextGen” powertrains, and would …”

doi.org/10.51202/9783181023815

VDI Wissensforum GmbH - Dritev – Drivetrain For Vehicles 2019

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VDI Wissensforum GmbH (ed.)

Dritev – Drivetrain For Vehicles 2019

Series: VDI-Berichte

Volume 2354 2019

Results in this title

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

„… Efficiency, Costs and Complexity Comparative assessment of electric and hybrid powertrain …” „… powertrain architecture for BEVs is a combination of one high-power electric motor (EM) with a fixedspeed …” „… less powerful EM. Simulation-based investigations showed that the efficiency of electric powertrains …”

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

„… restrictions for transversal installed hybrid powertrain systems with multiple electric machines …” „… battery electric and 32 % will have hybrid powertrains. Fig. 1: Market forecast for global powertrain …” „… transmission gear set functions must be transferred to the electric drive unit (e-drive) of the powertrain …”

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

„… addition to these issues requiring a solution, electric powertrains are subject to operating conditions …” „… electric axle with the connected electric powertrain mounts differs significant from those of the …” „… NVH-Challenges and solution approaches in electric drive development from the supplier‘s view …”

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

„… realizing hybrid and electric driving modes Electric axle drives for dedicated hybrid powertrains and …” „… purely electric vehicles Wheel-hub drives for new mobility concepts Fig. 1: Powertrain concepts …” „… approach Platform Components Electric Motors When regarding highly-integrated powertrains such as …”

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

„… Schaeffler eAxle family – future solutions for the electric drivetrain Dipl.-Wirtsch.-Ing …” „… integration for mechatronic systems will also increase. The development of electric axle systems goes beyond …” „… the electric machine and the transmission. Reaching an optimum in terms of efficiency, range and …”

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

„… – Comparative assessment of electric and hybrid powertrain configurations based on test bench measurements …” „… Electrical Powertrain Volkswagen’s electric drivetrains of the new modular e-drive kit (MEB …” „… . Ressin, M. Kesseler, GKN ePowertrain, Lohmar Schaeffler eAxle family – future solutions for the electric …”

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

„… vital role in electric cars, in particular, because the powertrain itself is relatively rigid, there …” „… Holistic Design Approach for Electric Drives Dr.-Ing. Peter Fietkau, Dipl.-Ing. Niklas Lamparsky …” „… the system introduced at Porsche AG for holistic digital powertrain development, using the mechanical …”

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

„… . Furthermore, all parametrizations of powertrain concepts that are capable of purely electric driving must …” „… Parallel-Hy-brid-Electric-Powertrains VDI-Berichte Nr. 2354, 2019140 Based on the calculated energy demand in the operational phase …” „… , multiple hybrid electric vehicles with diverse powertrain topologies, and two purely electric powertrain …”

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

„… powertrain in a demonstrator vehicle. The system is built of two electric motors and two parallel power …” „… the power flux, the electric motors are being described. As the powertrain is defined by a …” „… Innovative transmission concept for hyper-high-speed electromechanical powertrains Daniel …”

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

„… 1, 2 or 3 – how much it would be? Evaluating the need of multispeed electric drives coming from …” „… , modularity and production costs. In this context, the powertrain plays a crucial role. Fundamental decisions …” „… able to respond to a wide variety of customer requirements in the segment of electric mobility with as …”

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

„… conventional powertrains in passenger cars and the development of all battery-electric powered vehicles pose …” „… transmissions, and all-electric powertrains. The underlying idea is based on a through-going process sequence …” „… Effective acoustic development of electrified powertrains Combination of simulation and …”

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

„… providing temporary electric all-wheel-drive. The conventional powertrain, P0 powertrain and power split …” „… the powertrains, a modular simulation model developed at the Institute of Automotive Engineering (IAE …” „… electrification of vehicles significantly. To achieve a balance between powertrain costs and lowering the CO2 …”

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

„… . All powertrain variants need enhanced control software, if they are combined with an electric motor …” „… electrification. This leads to diverse requirements concerning how much electric power needs to be installed and …” „… rear axle eDrive unit to be combined with the untouched ICE powertrain in the front of the vehicle …”

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

„… electric vehicle powertrains. Via a power split operation mode with continuous variable transmission …” „… electric vehicle operation mode. In addition, an overdrive operating mode enables efficient driving at …” „… , conventional commercial vehicle powertrains. 1. Introduction The development of highly efficient …”

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

„… it is still unclear, which powertrain technology and concepts will be used and which volume …” „… distribution will come. The variety ranges from micro hybrids to full electric battery driven vehicles. ZF …” „… develops different technologies for these electric propulsion systems to offer the optimal solution for …”

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

„… hybrid solution VDI-Berichte Nr. 2354, 201968 Hybrid architectures When hybridizing a powertrain …” „… architecture of the hybrid powertrain. Potential hybrid architectures are shown in Fig. 3 and range from P0 to …” „… set: As the electric motor cannot be decoupled from the combustion engine, all-electric maneuvering …”

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

„… dual axle powertrain of Pi4 Platform VDI-Berichte Nr. 2354, 2019 99 The front axle is composed of …” „… Electric Driving and Regenerative Braking needs. The E Motor can reach a maximum peak torque of 195 N.m …” „… its best operating points and maximize fuel savings and electric driving range. A 96 cells Li Ion …”

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

„… components enable the configuration of various different electrified powertrain systems for electric …” „… . Kruse, J. Tousen, et.al. The electric powertrain matrix from Volkswagen MTZ - Motortechnische …” „… Volkswagen’s electric drivetrains of the new modular e-drive kit (MEB) Dipl.-Ing. Peter Lück …”

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

„… driving experience. The all-wheel drive electric powertrain in Polestar 2 produces 300 kW (408 hp) and …” „… Volvo Cars modular Electric Axle Drive M.Sc. Mathias Jörgensson, B.Sc. Christian Wolrath, B.Sc …” „… of full electric vehicles between 2019 and 2022 under the brands Polestar and Volvo. These machines …”

R. Dold New powertrain concepts for heavy duty commercial vehicles S. III-9-III-18

„… Duty Trucks (LDT), Medium Duty Trucks (MDT), and Heavy Duty Trucks (HDT)): New powertrain …” „… . Technical description and configuration of the Mercedes-Benz Electric Truck For an integration of an …” „… electric drivetrain concept, the following characteristics should be fulfilled: clean, silent, highly …”

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

„… , which is particularly relevant for the electric powertrain. The curves shown in Figure 2 show the …” „… and medicine leads to high challenges for the parties involved. In electric vehicles, for example …” „… , electric drives with high performances are integrated in a very limited space and controlled by electronic …”

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

„… level on the powertrain side. The 8G-DCT will be started for the first time with the newly developed …” „… powertrain, Mercedes-Benz introduced a 5-speed 2-shaft manual transmission and a 5-speed spur gear …” „… makes it possible to electrify the powertrain, the torque capacity can be specifically increased by …”

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

„… externally. This can be carried out, for instance, by an electric motor in the powertrain to produce a …” „… changeovers from drives based on electric motors to those using internal combustion engines and the resulting …” „… increasing number of hybrid vehicles with various arrangements of the internal combustion engine, electric …”

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

„… Abstract The compact fully integrated electric drive system combines an excellent power to weight …” „… between the electric motor, high-performance electronics and transmission are consistently transferred to …” „… power from 100kW up to 260kW can be realized. Software controlled active cooling of the electric motor …”

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

„… strategies as well as components in the powertrain. In addition, the concepts followed in research …” „… sense in future electric vehicles in order to efficiently meet the requirements with regard to maximum …” „… power density, control and comfort in future powertrains and to take account of the new challenges in …”

M. Özbek, J. Trommer, K. Akiyama, Y. Yamada Nidec next generation electric traction motor S. II-77-II-84

„… Nidec Next Generation Electric Traction Motor Dr. Markus Özbek, Jörg Trommer, Nidec Motors …” „… world leading electric motor manufacturer, Nidec is now entering the field of electric traction motors …” „… for hybrid and electric vehicles. Nidec’s next generation electric traction motor shows a high power …”

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

„… the conventional Mercedes-Benz powertrains of the 167 and new 463 model series, the transfer case is …” „… Drive Powertrain During the development of the new Mercedes-Benz powertrains, great importance was …” „… attached to the establishment of a consistent platform strategy. The individual engines and powertrain …”

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

„… Efficiency of Electric Axle Drive Systems Potential of Multi-Speed-Drives Dr. rer. nat …” „… die Performance eines Antriebs verbessert. Abstract Today's electric drives usually have a …” „… rarely discussed, since the characteristic map of an electric drive is so homogeneous that only low fuel …”

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

„… Optimization of multi-motor electric drive systems What is the optimum combination in terms of …” „… Konfigurationen für die EDU (Electric Drive Unit) verwendet. Häufig wird ein Permanent Erregter Synchron Motor …” „… Today´s electric vehicles are equipped with various types of electric drive units (EDU). Today the most …”

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

„… electrical motor and an electric actuated clutch. Components like DC/DC converter and 48V battery are not …” „… transmissions can improve powertrain efficiency as demonstrated in applications with hybrid automated …” „… conventional version. Major attributes: Electric driving - Launch and drive by electric motor, change …”

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

„… Christoph Schmahl, Michael Höck, Dirk Ressin, Mathias Kesseler, GKN ePowertrain, Lohmar …” „… well as for battery electric vehicles, AWD is generally realized by electrification of both axles …” „… vehicles are also being equipped with AWD systems [1]. For hybrid electric vehicles (HEV) with engines in …”

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

„… International GmbH, ePowertrain Technology Centre Lohmar Zusammenfassung GKN entwickelt und fertigt seit …” „… electric transmission systems for automotive since more than 15 years. More than 750.000 hybrid and …” „… Driveline has a long history of delivering hybrid and electric automotive systems. More than 15 e-drive …”

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

„… bearings were applied. By optimizing and relocation of the powertrain structure, fewer components and …” „… configuration, and SBW (Shift By Wire) which is electric or hydraulic type can be applied as an option. 3. ATF …” „… an electric transmission without substantial changing the layout of the current production vehicle …”

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

„… compartment smaller and to lower the mounting position of the powertrain. In this vehicle category, economy …” „… efficiency of the powertrain built around an internal combustion engine (Fig. 4). Fig. 3: Mini-vehicle …” „… market trends Fig. 4: Trends in mini-vehicle powertrain technologies 3. Development concept of CVT …”

M. Niklas, G. Reichart AUTOSAR Adaptive Platform – The standardized software framework for safe and intelligent e-mobility S. II-151-II-160

„… AUTOSAR Classic Platform. A suitable software framework for safe and secure electric drive and other …” „… can be clustered into different domains for infotainment and connectivity versus chassis, powertrain …” „… of AUTOSAR to electric drive vehicles. Upcoming demands and new functionalities will pose further …”

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

„… turbochargers. The latter improve powertrain performance and make high torques possible even at low engine …” „… speeds. Air and rolling resistance further put a powertrain's performance to the test, this particularly …” „… it would be possible to use it for a wide range of vehicle classes and powertrain combinations …”

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

„… various functions within the system. Hybrid and Electric vehicles present new challenges, especially in …” „… increased energy levels. VDI-Berichte Nr. 2354, 2019198 Due to reduced friction in the powertrain there are …”

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

„… Executive Director – Commercial Powertrain Engineering Allison Transmission, Inc., USA ABSTRACT …” „… both cases an integral engine stop start electric pump is able to be packaged internally as shown in …” „… additional test benefit when exercising the option to submit powertrain test data with production shift …”

doi.org/10.51202/9783181023549

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Dritev 2022

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Volume 2401 2022

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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

„… e.g. [1]. This suggests that the calibration of electric powertrains regarding driving comfort and …” „… Objectified Evaluation of Fundamental Driveability Maneuvers at Powertrain-in-the-Loop Testbeds …” „… publication outlines how an improved powertrain-in-the-loop development environment and a corresponding …”

F. Duchi, M. Ivarson, A. Schmitt, F. Haag Innovative E-Drive testing and software optimization – Key to maximize range, comfort and robustness of modern electric powertrains S. 37-60

„… robustness of modern electric powertrains Dott.Mag. Francesco Duchi, Mats Ivarson MSc, AVL List GmbH, Graz …” „… about an electrified powertrain, typically the electrical motor comes in our mind. However, the inverter …” „… is the key component that convert DC voltage from the battery into AC to power the electric motor …”

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

„… strength in electric powertrain systems with LG’s expertise in component development for e-motors and …” „… Vehicle eDS, Magna Powertrain GmbH & Co KG, Lannach, Austria Abstract: Technical solutions 1st, 2nd and 3 …” „… , as well as safety and fun-to-drive are key elements for the success of electric cars. This requires a …”

A. Eßer, J. Mölleney, S. Rinderknecht Potentials to reduce the Energy Consumption of Electric Vehicles in Urban Traffic S. 133-152

„… electric powertrains—comparison of optimization methods,” Engineering Optimization, pp. 1–16, 2021, doi …” „… efficient by electric (and also electrified) powertrain concepts. Current BEV are usually driven by a …” „… vehicle dynamics, the design of the transmission ratio in battery electric vehicles (BEV) is analyzed for …”

Titelei/Inhaltsverzeichnis S. I-X

„… , RegensburgObjectified Evaluation of Fundamental Driveability Maneuvers at Powertrain-in-the-Loop Testbeds for Electric …” „… optimization – Key to maximize range, comfort and robustness of modern electric powertrains …” „… . Kaimer, Magna Powertrain AG & Co KG, LannachEfficiency Increase of Electric Machines with Active Thermal …”

T. Gemassmer, P. Lindau, M. Zimmermann Modular Torque Management Architecture S. 13-26

„… portfolio has now been significantly extended with the introduction of electric drive systems. The number of …” „… various electric vehicles on the market is massively increasing along with an increasing variety of …” „… electric Driveline configurations. OEMs are offering eDrive systems with Disconnect, Park-lock, active LSD …”

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

„… Electric Drives for All-wheel Functions A System Comparison of ASM and PSM Dr. DI Daniel …” „… Lindvai-Soos, Simon Kaimer, Magna Powertrain AG & Co KG, Lannach Abstract A secondary drive influences …” „… axle. The driver experiences enhanced traction and better handling. Therefore in electric passenger …”

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

„… electric vehicles (BEV) have a greater potential than ICE vehicles [1]. Therefore, BEV will play a greater …” „… powertrain. The trans-mission efficiency is modelled accordingly. The whole efficiency model is measured on a …” „… Motor vehicles are mainly powered by fossil fuels [2]. Alternative powertrain concepts will be-come more …”

F. Lagier, N. Freund, K. Bause, S. Ott, A. Albers Simulation-based evaluation of high-speed PEEK gears in automotive powertrains and design of a validation environment for high-speed gears S. 223-240

„… and efficiency of electric powertrains for individual mobility require a whole-system approach to the …” „… Simulation-based evaluation of high-speed PEEK gears in automotive powertrains and design of a …” „… components in the drive system. Research shows the potential of future-proof powertrain to-pologies with …”

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

„… and shift functions in electric and hybrid powertrains have been presented in the past [1, 2]. One of …” „… and application (according to [1, 2]) In the multitude of possible hybrid or purely electric …” „… powertrain topologies, it is necessary or makes sense to use shifting elements to separate or connect …”

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

„… Advanced Electric Drive Modelling for Thermal and NVH adaptive control Case study 48V e-Axle for …” „… , AVL List GmbH, Graz, Austria Abstract The inevitable electrification of automotive powertrain is …” „… development of electric drives components to be integrated and optimized together at an early stage …”

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

„… bestmögliche thermische Performance zu realisieren. Abstract Especially for battery electric vehicles (BEV …” „… thermal management Especially for battery electric vehicles (BEV) the thermal management is currently one …” „… : Schaeffler Powertrain Pyramid Schaeffler holistic approach With a high degree of integration, Schaeffler is …”

H. Seidl, L. Momsen, D. Güth, S. Nett Network-based System Development and Integration Approach S. 277-290

„… suppliers, particular for electric drive systems have to cope with mechanical and electrical components …” „… software, elec-tric hardware, mechanic and system integration and validation are engaged from the beginning …” „… detail for the integration of a disconnect system in an electric drive unit. System Development …”

J. Gindele, U. Franzmann, L. Herdle, A. Pawlenka The Magna 7HDT400 for BMW’s new 48V hybrid drive family S. 1-12

„… Herdle, Andreas Pawlenka, Magna Powertrain, Untergruppenbach Kurzfassung 48-V-Hybridisierung als eine …” „… hybridization, amongst other scales of electrified powertrain solutions, will have an im-portant part in meeting …” „… with both conventional and hybrid powertrains. The paper describes the essential transmission and …”

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

„… drivetrain. In the future drivetrain of BEV (Battery Electric Vehicle) or FCEV (Fuel Cell Electric Vehicles …” „… operated in braking mode. This means, that the synchronizer is firstly accelerated through an Electric …” „… , that also have different requirements in validation compared to C1 or C2 clutches. 1.6. Electric …”

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

„… Abstract Electric vehicles with AWD-functionality usually have one motor in the front and one motor …” „… disconnect the secondary axle when AWD or torque vectoring is not required. The electric Torque Vectoring …” „… electric and Communication (CAN FD/FlexRay) architecturesin the vehicle. Support for AUTOSAR, Functional …”

S. Cortès, A. Albers, C Dettmann, P. Boche Chassis Dynamometer – a development environment for calibration and validation of vehicle drivetrains in context of RDE legislation? S. 347-364

„… evaluated. In addition, the load conditions of the powertrain are investigated by evaluating the torque and …” „… accompanied by a significant expansion of the operating range of power-trains, emission behavior and fuel and …” „… applied to forward-looking drive concepts such as hybrids or electric vehicles, a functioning braking …”

P. He, A. Eßer, S. Rinderknecht, M. Schmiedt A Degradation Model of a Wet Friction Clutch based on Theoretical and Experimental Analysis and the Application for a Condition Monitoring Method S. 303-320

„… system behavior of a vibrating powertrain including a friction clutch. The aim is to investigate how the …” „… this basis, an analysis of endurance experiment measurements from a powertrain test bench is performed …” „… . 1 Introduction The wet friction clutch is widely deployed in vehicle powertrain systems. The …”

C. Ugare, A. Sibirko Plastics in high reliability Power Inverter Applications S. 209-222

„… ] https://www.infineon.com/cms/en/applications/automotive/commercial-construction-and-agricultural-vehicles-cav/hybrid-electric-solutions-for-construction-commercial-and-agricultural-vehicles/powertrain-inverter-for-trucks-and-agricultural-vehicles/ [3] J. Zech, "Analyse des Leistungsdichtepotenzials bei Traktionsinvertern im Automotive-Bereich …”

F. Schuchter, M. Schönstein, K. Bause, A. Albers Temperature Modelling of a Dual Clutch with Artificial Neural Networks S. 335-346

„… control especially for hybrid electric vehicles. In previous work, they identified a research gap …” „… neural network automotive friction component model for powertrain system dynamic analysis. Part 1: model …”

doi.org/10.51202/9783181024010

VDI Wissensforum GmbH - LAND.TECHNIK 2020

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LAND.TECHNIK 2020

Series: VDI-Berichte

Volume 2374 2020

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

„… Development of a 3-speed gearbox in electric powertrain Ground drive transmission for a …” „… according to the Pareto principle in order to achieve a practical and economical solution. Powertrain …” „… Overall system The overall system consists of the electric drive including battery and power electronics …”

S. Pretsch, M. Rothbart Sustainable Agriculture in an Electrified World – Cradle-to-Grave evaluation of different propulsion systems S. 1-8

„… configuration in combination with alternative fuels, battery electric system and a fuel cell powertrain …” „… ) VDI-Berichte Nr. 2374, 20204 Battery electric powertrain Fig. 5 shows a battery electric powertrain for the …” „… and energy density are higher Fig. 3: Battery electric powertrain (simplified) Fig. 4: Fuel …”

A. Kunz Alternative drives for agricultural machines – Legal frame, meaning, concepts, validation, conclusion S. 405-412

„… fuel), electric powertrains (Various hybridizations, battery or fuel cell electric vehicles) and new …” „… machine forms (New vehicle concepts with different electric powertrains) Representants of first group …” „… . 3 Sustainable powertrain concepts for agricultural machines Although the contribution of …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… Understanding the opportunities and challenges of self-driving, electric field tractors using dynamic …” „… � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 17 M. Lang, John Deere GmbH & Co. KG, Mannheim Development of a 3-speed gearbox in electric …” „… powertrain – Ground drive transmission for a commercial vehicle …”

D. Cook, J. Viramontes ROS2 for Autonomous Agriculture Applications S. 103-130

„… between the powertrain (the tractor) and the machine application (the implement) is more common …” „… control applications (typically hydraulic and/or electric systems). Robust controls are a critical element …”

doi.org/10.51202/9783181023747

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