基于极性切换自适应陷波器的磁悬浮高速电机刚性转子自动平衡

doi:10.19595/j.cnki.1000-6753.tces.190228

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Abstract For unbalance vibration of rigid rotor system on magnetically levitated high-speed motors,an algorithm based on adaptive notch filter with polarity switching is proposed to achieve automatic balancing. Firstly, according to radial dynamic model of a rigid rotor system with a magnetically levitated high-speed motor, the principle of adaptive notch filter and the strategy of automatic balancing are analyzed. Then a polarity switching strategy is proposed by using of generalized root locus based the magnetically levitated high-speed rigid rotor system, stable operation and automatic balancing in the whole rotational speed range are achieved by adopting adaptive notch filter feedback control and feedforward control. Finally, simulation and experiment results show that the proposed method could suppress the synchronous imbalance vibration and transmitter force to the base effectively in case of different operation conditions.

Key words： Magnetically levitated high-speed motors rigid rotor automatic unbalancing notch filter root locus

Received: 08 March 2019 Published: 07 April 2020

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TM351

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	Articles by authors
	Gong Lei
	Yang Zhi
	Zhu Changsheng
	Li Pengfei

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Gong Lei,Yang Zhi,Zhu Changsheng等. Automatic Balancing for Rigid Rotor of Magnetically Levitated High-Speed Motors Based on Adaptive Notch Filter with Polarity Switching[J]. Transactions of China Electrotechnical Society, 2020, 35(7): 1410-1421.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.190228 OR https://dgjsxb.ces-transaction.com/EN/Y2020/V35/I7/1410

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