Robust fuzzy sliding-mode control for T-S model based permanent magnet synchronous motor

【作者】 张细政； 王耀南；

【Author】 ZHANG Xi-zheng,WANG Yao-nan (1.School of Computer and Communication,Hunan Institute of Engineering,Xiangtan 411104,China; 2.School of Electrical and Information Engineering,Hunan University,Changsha 410082,China)

【机构】 School of Computer and Communication Hunan Institute of Engineering； School of Electrical and Information Engineering,Hunan University； School of Electrical and Information Engineering Hunan University；

【摘要】 <正>A fuzzy sliding-mode control(FSMC) scheme based on T-S fuzzy models was proposed for the permanent magnet synchronous motor(PMSM) drive system to solve the speed tracking problem.A T-S fuzzy model was firstly formed to represent the nonlinear system of PMSM.For converting the tracking control into a stabilization problem,a new control design was proposed to define the internal desired states.Then,the FSMC controller for PMSM system with parameter variation and load disturbance was designed based on the fuzzy model.The performance of the proposed controller was verified by experimental results on PMSM system.The results show that the FSMC scheme can drive the dynamics of PMSM into a designated sliding surface in finite time and guarantee the property of asymptotical stability.The information of upper bound of modeling errors as well as perturbations is not required when using the FSMC controller.更多还原

【Abstract】 A fuzzy sliding-mode control(FSMC) scheme based on T-S fuzzy models was proposed for the permanent magnet synchronous motor(PMSM) drive system to solve the speed tracking problem.A T-S fuzzy model was firstly formed to represent the nonlinear system of PMSM.For converting the tracking control into a stabilization problem,a new control design was proposed to define the internal desired states.Then,the FSMC controller for PMSM system with parameter variation and load disturbance was designed based on the fuzzy model.The performance of the proposed controller was verified by experimental results on PMSM system.The results show that the FSMC scheme can drive the dynamics of PMSM into a designated sliding surface in finite time and guarantee the property of asymptotical stability.The information of upper bound of modeling errors as well as perturbations is not required when using the FSMC controller.更多还原