GLOBAL CONTROL STRATEGY OPTIMIZATION OF AN ASYNCHRONOUS DRIVE SYSTEM FOR AN ELECTRIC VEHICLE

The specific character of the exploitation modes of the motorization o f an electric vehicle for city use attaches considerable importance to the choice of the drive-system control strategy, in so far as the ene rgy consumption of the whole system is concerned. In particular, in hi gh-performance vector-controlled asynchronous drive systems, the class ically used flux-control strategies must be redefined, taking into acc ount the special constraints linked first with the structure, then wit h the mission of the electric vehicle. In this paper, the authors comp are different flux-control strategies by considering their influence o n the general performance of the vehicle. This comparison is based on a simulation of the working of the whole system using the EASY 5X (Boe ing Computer Services) system simulation software.