American Journal of Electromagnetics and Applications
Volume 4, Issue 1, September 2016, Pages: 1-7
Received: Aug. 16, 2016;
Accepted: Sep. 14, 2016;
Published: Oct. 20, 2016
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Junli Wan, College of Electrical Engineering and Renewable Energy, China Three Gorges University, Yichang, China
Quyang Zeng, College of Electrical Engineering and Renewable Energy, China Three Gorges University, Yichang, China; Three Gorges Vocational College of Electric Power, Yichang, China
Shiyun Cheng, College of Electrical Engineering and Renewable Energy, China Three Gorges University, Yichang, China
Xianyong Wu, College of Electrical Engineering and Renewable Energy, China Three Gorges University, Yichang, China
In order to overcome the disadvantage of the non-linear attribute of electronic throttle and the deficiency of traditional PID controller, a control strategy is proposed based on backstepping method， in which the throttle position tracking is taken as control object, and the structure of the electronic throttle is analysed, a mathematical model of the electronic throttle is established. A backstepping controller is also designed based on Lyapunov stability theory. Step, slope and sine waves are taken as target signals respectively to complete tracking control simulation by two control strategies: PID and backstepping, the simulation result indicates that backstepping control has good dynamic characteristics, step response time is less than 100 ms and its control effect is significantly better than that of PID. In addition, PID simulation can not reflect the torque in actual system reset spring, the simulation is different with actual waveform, and the Backstepping simulation based on the control model of nonlinear system is more in line with the actual, this type of control can effectively solve the contradiction between fast response and large overshoot in time-varying non-linear system.
Nonlinear Control of Electronic Throttle Based on Backstepping Approach, American Journal of Electromagnetics and Applications.
Vol. 4, No. 1,
2016, pp. 1-7.
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