Virtual Approach for Objective Optimization of HEV and EV Driveability

Authors

Dr. techn. Christian Paar, Dr. techn. Michael Martin, DI (FH) Gerald Wölfel, DI (FH) Florian Eibler, DI Bernhard Putsche, DI (FH) Markus Passath,
Magna Steyr Fahrzeugtechnik AG & Co KG, Graz

Summary

Optimization of both, driveability and energy management is a sophisticated task. Depending on the vehicle topology, especially in hybrid-electric vehicles, the interaction of particular components, such as the internal combustion engine, electric drives, clutches  and auxiliaries could be complex. A further aspect of electric and hybrid-electric vehicles is optimization of energy management in standard cycles for emission homologation, and also real world operation. Optimization of driveability could lead to conflicts with an optimized vehicle energy management. A posterior calibration could be difficult to reach energy management and driveability targets. Aspects of driveability during the development of vehicle energy management in the concept phase are discussed with the validated simulation model presented.

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