基于逆系统解耦的电磁轴承飞轮转子系统二自由度控制

doi:10.19595/j.cnki.1000-6753.tces.161866

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Abstract

For the vibration suppression of active magnetic bearing (AMB) high-speed flywheel rotor system, a control strategy based on inverse system decoupling and improved two-degree-of-freedom (2DOF) control was proposed in this paper. The AMB flywheelrotor system was decoupled by the inverse system method firstly, so that the AMB flywheelrotor system, which was a nonlinear, strong coupling system, was decoupled into four independent subsystems. Then, the decoupled subsystems were adjusted by the improved 2DOF controller, which can regulate the performances of set-point tracking and disturbance rejection, respectively. In the improved 2DOF controller, the damping control signal was obtained by velocity estimator, so that the ability of against noise can be improved. The stability, set-point tracking and robustness of control strategyproposed were analyzed in theory, and its ability and effectiveness to control the vibration of AMB high-speed flywheel rotor system were further investigated by simulations and experiments. It is shown that the control strategy proposed can stably suspend the AMB high-speed flywheel rotor systemand effectively suppress its vibrations, with the advantages of highstability, strong robustness, and good ability of against noise.

Key words： Active magnetic bearing (AMB) flywheel energy storage inverse system method velocity estimator two-degree-of-freedom control

Received: 28 November 2016 Published: 22 December 2017

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TM355

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	Chen Liangliang
	Zhu Changsheng
	Wang Zhongbo

Cite this article:

Chen Liangliang,Zhu Changsheng,Wang Zhongbo. Two-Degree-of-Freedom Control for Active Magnetic Bearing Flywheel Rotor System Based on Inverse System Decoupling[J]. Transactions of China Electrotechnical Society, 2017, 32(23): 100-114.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.161866 OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I23/100

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