Optimized Drive Systems for Electric All-Wheel Drive Vehicles

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Optimized Drive Systems for Electric All-Wheel Drive Vehicles

Stoll, Tobias / Bargende, Michael / Berner, Hans-Jürgen

In this paper, three different possibilities of torque distribution as well as three different kinds of electric motor configurations for an electric all-wheel drive vehicle are simulated. The used vehicle for the observation has two electric drive systems, each integrated into an E-Axle. Each E-Axle has either an induction or a permanent magnet synchronous motor as well as a two-speed-gearbox and a separating clutch. The three different torque distributions include a 50/50-torque split between front- and rear-axle, a front-axle-drive with a rear-axle-drive option for high loads and an optimal torque distribution with consumption minimization strategy. The electric drives vary first by using two E-Axles with induction motors. Second, a variation with a permanent magnet synchronous motor on the front-axle and an induction motor on the rear-axle. Third, a configuration with both motors being permanent magnet synchronous motors. Each configuration is validated in three different load cases by varying the drive cycles as well as adding a 2.0 t trailer to the SUV base vehicle. In conclusion, the simulation results show the different effects of operational strategy and the configuration of the motors on the overall electric energy consumption of the all-wheel drive vehicle.

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Document information

Title :

Optimized Drive Systems for Electric All-Wheel Drive Vehicles

Additional title:

Proceedings

Contributors:

Bargende, Michael (editor) / Reuss, Hans-Christian (editor) / Wagner, Andreas (editor) / Stoll, Tobias (author) / Bargende, Michael (author) / Berner, Hans-Jürgen (author)

Published in:

22. Internationales Stuttgarter Symposium ; Chapter : 4 ; 59-70

Proceedings

Publication date :

2022-03-14

Size :

12 pages

ISBN :

978-3-658-37009-1 , 978-3-658-37008-4

ISSN :

2198-7440 , 2198-7432

DOI :