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It established APD(Air power drive) starting drive dynamics model. The APD system is put forwarded to improve the vehicle starting drive efficiency. We analyzes the APD working principle, adds a air power and researches for the basic simulation of control model with slip-rate based on PI control theory. The academic feasibility of air power drive system is expatiated, that is based on the principle of compressed air power which is applied to the starting drive system, then establishes dynamics model of a new automotive anti-slip drive system and simulation model of ASR&APD by the Simulink. The simulation tests are designed to compare with the curves of vehicle speed and driving wheel velocity using the APD. The curve proves that APD can reduce starting drive distance at 21%~79% and starting drive time at 13%~73%. Augmentation rate of vehicle slip ratio did not exceed 5%. The results show that APD can increase the efficiency during starting drive .

Simulation Research For Air Power Drive System Based on PI Control