Study on Permanent Magnet Synchronous Motor Servo System Based on Total Sliding Mode Control Approach with Nonlinear Integrator
Zhang Liwei1, Wei Wei1, Zhang Chao1, Liu Hui2, Xiu Sanmu1
1. School of Electrical Engineering Beijing Jiaotong University Beijing 100044 China; 2. Zhongxing Telecommunication Equipment Corporation Shenzhen 518055 China
Abstract：Permanent magnet synchronous motor servo system is a typical strong coupling, multivariable and nonlinear system. Sliding mode control has been gradually used in the servo system, but it has the disadvantages of low convergence rate and poor robustness before the system reaching the sliding surface. In combination with the reaching law, this paper proposed a speed controller with global robustness based on the nonlinear integrator sliding surface. Because of the inclusion of nonlinear integrator, the controller can increase the response speed of the system with overshoot as small as possible. Moreover, the system has a strong anti-interference ability for the introduction of load torque observer. System simulation and experimental results show the system has better servo performance because of the speed controller.
张立伟, 魏维, 张超, 刘辉, 修三木. 基于全局非线性积分滑模的永磁交流伺服系统研究[J]. 电工技术学报, 2018, 33(16): 3917-3924.
Zhang Liwei, Wei Wei, Zhang Chao, Liu Hui, Xiu Sanmu. Study on Permanent Magnet Synchronous Motor Servo System Based on Total Sliding Mode Control Approach with Nonlinear Integrator. Transactions of China Electrotechnical Society, 2018, 33(16): 3917-3924.
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2018, Vol. 33 
