The motor errors of the four-wheel independent driving electric vehicles was studied, and classified as steady errors and dynamic errors. In the paper, the forward compensation control and the PID control strategy were respectively applied to compensate for the errors. The electric vehicles straight-line running stability caused by the motor errors was discussed, the PID control method based on BP neural net work was presented to co-ordinate torque of the wheels. The result of the simulation on the 7 degrees of freedom vehicle model showed that control method improved the straight-line running ability of the vehicle.
Study on the Straight-line Running Stability of the Four-wheel Independent Driving Electric Vehicles
Sae Technical Papers
Asia Pacific Automotive Engineering Conference ; 2007
05.08.2007
Aufsatz (Konferenz)
Englisch
Study on the Straight-line Running Stability of the Four-wheel Independent Driving Electric Vehicles
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