In this paper, the authors present a 3 degree-of-freedom dynamic model of a four-wheel-drive and four-wheel-steering electric vehicle (EV), which, instead of a complex mechanical transmission system, is equipped with an adequate controller known as electronic differential (ED). This ED distributes torque and power to each motor according to the requirements, adapts the speed of each motor to the driving conditions and simulates the behaviour of a differential. The most important advantages of this design-concept are simplicity, reduction of the mass of the EV and increase of the range of operation with one battery charge. Preliminary numerical results prove the viability of this design-concept.
Generalisation of the concept of electronic differential
Verallgemeinerung des Konzepts des elektronischen Differentials
Forschung im Ingenieurwesen - Engineering Research ; 66 , 6 ; 273-278
2001
6 Seiten, 3 Bilder, 11 Quellen
Article (Journal)
English
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