Abstract
This paper presents an extended state observer-based backstepping sliding mode control method (ESO-based BSMC) to achieve precise motion control for the electromagnetic valve actuator (EMVA). The extended state observer is introduced to compensate external disturbance and model uncertainties of the system, the backstepping method is used to decompose the system into some subsystems, and the sliding mode control is designed to guarantee the valve to follow the desired valve motion. The stability of the proposed control system is verified through Lyapunov stability theorem. Simulation results demonstrate that the proposed method avoids chattering problem, and it is robust to external disturbance and model uncertainties. Experimental results show the similar behavior as the simulations within an acceptable error. A transition time of 3.9 ms and a seating velocity less than 0.03 m/s are obtained to prove the effectiveness of the proposed method. Moreover, fully flexible valve actuator has been fulfilled and the valve motion profiles are given.
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Recommended by Associate Editor Sangyoon Lee
Aimin Fan received a B.Eng. degree in vehicle engineering from Nanjing University of Science and Technology, Nanjing, China. Now, she is a Ph.D. candidate in Mechanical Engineering from Nanjing University of Science and Technology, Nanjing, China. And her research interests include precision motion control of electromagnetic valve actuator and advanced control method.
Siqin Chang is the Professor in the Department of Mechanical Engineering, Nanjing University of Science and Technology. He obtained a Ph.D. in Vehicle Engineering from Huazhong University of Science, Wuhan, China. In the recent ten years, he has worked in the areas of electronic vehicle control system, mechatronics technology and automobile power system.
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Fan, A., Chang, S. Extended state observer-based backstepping sliding mode control for an electromagnetic valve actuator. J Mech Sci Technol 33, 847–856 (2019). https://doi.org/10.1007/s12206-019-0142-3
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DOI: https://doi.org/10.1007/s12206-019-0142-3