基于比例增益补偿的永磁同步电机转速平滑控制

doi:10.19595/j.cnki.1000-6753.tces.171122

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Abstract In the permanent magnet synchronous motor (PMSM) drives, periodic disturbance torques, caused by non-ideal factors like dead time effect, flux harmonics and current sampling errors, can lead to speed ripples. To solve this problem, this paper proposed a control strategy of speed ripple minimization where the proportional gains of the main order speed ripple components were compensated. Firstly, this strategy estimated the main order speed ripple components by Kalman filter, and embedded these estimated components in forward channel of speed loop by paralleling them with the PI controller. Then, according to attenuation degree of periodic disturbance torques, the values of proportional gain compensation corresponding to these speed ripple components were selected. Thus these periodic disturbance torques were suppressed. The experimental results show that the proposed strategy can efficiently improve the steady-state performance of the PMSM drives.

Key words： Permanent magnet synchronous motor vector control speed ripple minimization Kalman filter proportional gain compensation

Received: 01 August 2017 Published: 14 September 2018

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TM341

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	Liu Ning
	Xia Changliang
	Zhou Zhanqing
	Yan Yan
	Shi Tingna

Cite this article:

Liu Ning,Xia Changliang,Zhou Zhanqing等. Smooth Speed Control for Permanent Magnet Synchronous Motor Using Proportional Gain Compensation[J]. Transactions of China Electrotechnical Society, 2018, 33(17): 4007-4015.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.171122 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/I17/4007

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