Immersion and Invariance Theory-Based Adaptive Position Tracking Control for Alternating Current Asynchronous Motor
Liu Le1,2, Gao Jie1,2, Qiang Jiaping1,2, Ding Suyan1,2
1. Engineering Research Center of the Ministry of Education for Intelligent Control System and Intelligent Equipment Yanshan University Qinhuangdao 066004 China; 2. Key Laboratory of Industrial Computer Control Engineering of Hebei Province Yanshan University Qinhuangdao 066004 China
Abstract：In order to improve the position tracking control performance of alternating current (AC) asynchronous motor under parameter perturbation and load disturbance, an immersion and invariance (I&I) theory-based adaptive control method was proposed in this paper. Firstly, a nonlinear extended state observer (NLESO) was constructed to dynamically observe the load disturbance, which improved the tracking control accuracy of the system. Secondly, the I&I theory-based adaptive estimator was designed for the system perturbation parameter, and the parameter estimate was converged to the true value asymptotically. Thirdly, the position and flux tracking controllers of the AC asynchronous motor were designed respectively based on the I&I theory, which realized precise tracking control for the system given values. Finally, the proposed control method was compared with the dynamic surface control (DSC) method and the I&I control method by simulation and experiment. The results verify the effectiveness and feasibility of the proposed control method.
刘乐, 高杰, 强嘉萍, 丁素艳. 基于浸入与不变理论的交流异步电机自适应位置跟踪控制[J]. 电工技术学报, 2021, 36(12): 2594-2606.
Liu Le, Gao Jie, Qiang Jiaping, Ding Suyan. Immersion and Invariance Theory-Based Adaptive Position Tracking Control for Alternating Current Asynchronous Motor. Transactions of China Electrotechnical Society, 2021, 36(12): 2594-2606.
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2021, Vol. 36 
