Abstract：In the magnetic levitation permanent magnet linear motor control system, there are the problems of parameter variation, disturbance uncertainties, and parameter perturbation in controller. Therefore, in order to realize the precise control for the levitation permanent magnet linear motor drive system of computerized numerical control machine tools, the non-fragile robust control is proposed. The state-space model considering magnetic levitation permanent magnet linear motor parameters perturbation and external disturbances is firstly set up. Then, based on Riccati inequality, the analytic expressions of the H∞ controller are derived to meet the non-fragile robust performance. The simulation research is carried out with the Matlab software. Simulation results show that the magnetic levitation permanent magnet linear motor control system has robustness for the parameter and disturbance uncertainties as well as the controller parameter perturbation. The results of the experimental prove the effectiveness of the control method.
蓝益鹏, 陈其林, 胡学成, 刘宇菲. 磁悬浮永磁直线电动机控制系统非脆弱鲁棒控制的研究[J]. 电工技术学报, 2016, 31(7): 26-32.
Lan Yipeng, Chen Qilin, Hu Xuecheng, Liu Yufei. Research on Non-Fragile Robust Control for Magnetic Levitation Permanent Magnet Linear Motor Control System. Transactions of China Electrotechnical Society, 2016, 31(7): 26-32.
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2016, Vol. 31 
