基于线性扩张状态观测器的永磁同步电机状态估计与性能分析

doi:10.19595/j.cnki.1000-6753.tces.180379

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Abstract Aiming at the problem of disturbance rejection in permanent magnet synchronous motor (PMSM) control, a multi-variable linear extended state observer (LESO) was used to estimate the state, load disturbance and uncertainty of the system. The effects of the parameter selection of LESO on the convergence, rapidity, robustness of interference and noise were systematically analyzed in frequency domain. The steps of LESO parameter tuning for PMSM were also given. Compared with the existing methods, the parameter selection range of LESO is broadened and the observation effect on PMSM state is improved, which lays a good foundation for improving the control quality. The results have theoretical value and engineering practice guiding significance. Simulation and experimental results verified the effectiveness of the conclusions.

Key words： Linear extended state observer permanent magnet synchronous motor error analysis disturbances rejection

Received: 26 January 2018 Published: 29 May 2019

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TM351

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	Mao Haijie
	Li Wei
	Jiang Dongnian
	Feng Xiaolin

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Mao Haijie,Li Wei,Jiang Dongnian等. State Estimation and Performance Analysis Based on Linear Extended State Observer for Permanent Magnet Synchronous Motor[J]. Transactions of China Electrotechnical Society, 2019, 34(10): 2155-2165.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.180379 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I10/2155

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