Rotor Unbalance Vibration Suppression for MSCMG Using Composite Anti-disturbance Control Method

被引：0

作者：

Liu, Yifan ^{[1
]}

Liu, Gang ^{[1
]}

Xie, Jinjin ^{[2
]}

Zheng, Shiqiang ^{[3
]}

机构：

[1] Beihang Univ, Sci & Technol Inertial Lab, Beijing 100191, Peoples R China

[2] Shanghai Inst Satellite Engn, Shanghai 201109, Peoples R China

[3] Beijing Adv Innovat Ctr Big Data Based Precis Med, Beijing 100191, Peoples R China

来源：

PROCEEDINGS OF THE 38TH CHINESE CONTROL CONFERENCE (CCC) | 2019年

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

Magnetic Bearing; Anti-disturbance Control; Disturbance Observer; COMPENSATION; SYSTEMS; SUBJECT;

D O I：

10.23919/chicc.2019.8865853

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

For the uncertainty of the current stiffness and the unbalanced vibration during the stable operation of the magnetic suspended control moment gyro(MSCMG), the method of composite hierarchical anti-disturbance control(CHADC) is implemented to realize the stability control of the magnetic bearing system. The parameter uncertainty and unmodeled dynamics are attenuated by robust H-infinity controller, when the harmonic disturbances are observed and compensated by disturbance observers. Based on this control framework, this paper proposes a phase compensation method based on tracking differentiator to reduce the influence of switching power amplifier on the design of control system. The observer parameter matrix is adjusted in real time by the speed measurement to achieve unbalanced vibration suppression in the large speed range.

引用

页码：3272 / 3277

页数：6

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