Sensorless Control of Permanent Magnet Synchronous Motor Based on Improved Model Reference Adaptive System

被引：0
|
作者：
Wei, Fan [1 ]
Wang, Yong [1 ]
Liang, Qiongwen [1 ]
Li, Zongyang [1 ]
机构：
[1] Univ Sci & Technol China, Dept Automat, Hefei, Peoples R China
来源：
2019 CHINESE AUTOMATION CONGRESS (CAC2019) | 2019年
关键词：
Permanent Magnet Synchronous Motor; Sensorless Control; Model Reference Adaptive System; Sliding Mode Controller;
D O I：
10.1109/cac48633.2019.8997491
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In order to improve the accuracy of rotor position estimation and speed tracking in sensorless vector control system of permanent magnet synchronous motor(PMSM), an adaptive full-order observer is proposed based on model reference adaptive system(MRAS) method. This method combines the estimation equation and the calibration link to form the closedloop estimation by introducing the correction term. The sliding mode controller(SMC) is used to control the rotation speed loop instead of the traditional PI controller to improve the anti-disturbance ability of the system. The simulation results show that the improved model reference adaptive system method can better estimate the rotation speed and rotor position in the case of motor startup, sudden change of speed and sudden change of the load torque. The method has good stability and robustness.
引用
收藏
页码：2422 / 2426
页数：5
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