SAIC Commercial Vehicle Technology Centre-Zhiqiang Du
Beijing Auto Technology Center-Jiantao Yang
China Dingyuan Automotive Proving Ground-Wei Wang
Tongji University-Hui Chen
by SAE International in United States
The adhesion control is the basic technology of active safety for the four-wheel driven EV. In this paper, a novel adhesion control method based on fuzzy logic control is proposed. The control system can maximize the adhesion force without road condition information and vehicle speed signal. Also, the regulation torque to prevent wheel slip is smooth and the vehicle driving comfort is greatly improved. For implementation, only the rotating speed of the driving wheel and the motor driving torque signals are needed, while the derived information of the wheel acceleration and the skid status are used. The simulation and road test results have shown that the adhesion control method is effective for preventing slip and lock on the slippery road condition.
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