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The dual-motor drive system for electric vehicles is researched, which comprises two drive motors and coupling device. The dual-motor together provide power for the vehicle while the vehicle travels at a cruising speed or high constant speed. The main drive motor provides power to the vehicle during periods of peak torque demand such as vehicle acceleration or climbing. Taking 18t electric bus as...
According to the active power balance principle, the paper analyzed the approximate mathematical model of APF. In order to optimize the control effect of DC bus voltage in APF, PID control method based on improved BP neural network is adopted to do closed-loop control to the system. The two strategies, adding momentum method and adaptive learning rate adjustment, are combined to improve BP network,...
The author has discussed the design thought of human- simulated intelligent controller (HSIC), putting forward the basic algorithm and control method of improved HSIC, namely nine- point controller. The action force influence of nine-point controller on the dynamic performance parameters of system is studied. Meanwhile, the parameter tuning method of the controller is deduced and the implementation...
Application research of intelligent algorithm in electric-driven flight simulation turntable is discussed in this paper. Fuzzy control is used to solve the problem of fast tracking and overshoot since its essence belongs to PD control. In order to improve the performance of system in low speed, a method named variance-gain adaptive algorithm is introduced in this paper. It defines the amplifier gain...
Fuzzy controller was used to resolve the problem of fast tracking and overshoot in electric-driven simulation turntable, for its essence belongs to PD control. In this system, the control rules of fuzzy controller were established according to the step dynamic response process, for the speed loop of this system was predigested to be second-orders system. The describing function method was adopted...
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