Internal Model Control-PID Control of An Active Magnetic Bearing High-Speed Motor Rotor System

被引：0
|
作者：
Zhou T. [1 ]
Yang Z. [2 ]
Zhu C. [1 ]
Li P. [1 ]
机构：
[1] College of Electrical Engineering, Zhejiang University, Hangzhou
[2] No. 704 Research Institute, China Shipbuilding Industry Corporation, Shanghai
来源：
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society | 2020年 / 35卷 / 16期
关键词：
Active magnetic bearing high-speed motor; Internal model control; PID control; PID parameters tuning;
D O I：
10.19595/j.cnki.1000-6753.tces.190852
中图分类号：
学科分类号：
摘要：
PID control is the most widely used control method in rotor system of an active magnetic bearing (AMB) high-speed motor. However, it is difficult to find three proper parameters for PID controllers. In order to reduce the difficulty of PID parameters tuning, an internal model control (IMC) was combined with PID control to design an IMC-PID controller, which transforms the tuning process of three parameters into one. Then, the influences of the only parameter on the stability, anti-interference ability, maximum vibration amplitude and critical speed of rotor system were analyzed, and the rules for its selection were clarified. At last, the designed IMC-PID controller was simulated on a single-degree-of-freedom magnetically levitated system and an AMB high-speed motor rotor system, and the related experiments were carried out on an AMB high-speed motor platform. Both simulation and experimental results show that IMC-PID control has good control performance and strong robustness. © 2020, Electrical Technology Press Co. Ltd. All right reserved.
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页码：3414 / 3425
页数：11
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