Abstract
In this paper, we model an electronic differential that will offer the best stability of vehicle in the curved road. The use of electronic differential constitutes a technological advance of vehicle design along the concept of more electric vehicles. Electronic differential have the advantages of replacing loosely, heavy and inefficient mechanical transmission and mechanical differential with a more efficient, light and small electric motors directly coupled to the wheels via a single gear or an in-wheel motor. To date, electronic differentials have been proposed for two and four wheeled vehicles. The proposed traction system consists of two permanent magnet synchronous (PMS) machines that ensure the drive of two back-driving wheels. The proposed control structure is based on the direct torque control for each wheel-motor. Different simulations have been carried out: vehicle driven on straight road, vehicle driven on straight road with slope, and vehicle driven over a road curved left and right. The simulation results show good vehicle stability on a curved road.
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