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Research on disturbance rejection control strategy of vehicle drive axle loading test bench

Yu Hui, Wang Hui, Li Nanqi, Zhao Guochao

Journal of Theoretical and Applied Mechanics

2022

Vol. 60 nr 2

227--238

Aiming at the problems of parameter disturbance and coupling disturbance in a vehicle drive axle loading test-bed, this paper used the adaptive backstepping sliding mode control (ABSMC) strategy to design the controller for the speed and torque system. The effectiveness of the controller has been verified by simulation and an experiment. The results show that the equivalent moment of inertia is increased by 5 times, and the step response overshoot of the speed system is 4.1%. By adding a random disturbance, the sinusoidal tracking errors of the speed and torque systems are 0.05 r/min and 0.09Nm, respectively.