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

doi:10.19595/j.cnki.1000-6753.tces.200384

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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.

Key words： Alternating current asynchronous motor adaptive position tracking control immersion and invariance theory nonlinear extended state observer

Received: 18 April 2020

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TM343+.2

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	Articles by authors
	Liu Le
	Gao Jie
	Qiang Jiaping
	Ding Suyan

Cite this article:

Liu Le,Gao Jie,Qiang Jiaping等. Immersion and Invariance Theory-Based Adaptive Position Tracking Control for Alternating Current Asynchronous Motor[J]. Transactions of China Electrotechnical Society, 2021, 36(12): 2594-2606.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.200384 OR https://dgjsxb.ces-transaction.com/EN/Y2021/V36/I12/2594

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