Research on PMSM Position Sensorless Control Based on Improved Sliding Mode Observer

被引：3
|
作者：
Zhang, Zhen Yu [1 ]
Zhang, Li Bao [1 ]
Wang, Hong [1 ]
机构：
[1] Harbin Inst Technol Shenzhen, Sch Mech Engn & Automat, Shenzhen, Peoples R China
来源：
2019 22ND INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS 2019) | 2019年
关键词：
improved sliding mode observer; adaptive low-pass filtering; phase-locked loop; permanent magnet synchronous motor;
D O I：
10.1109/icems.2019.8921816
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In order to solve the problem of chattering and other problems in the rotor position estimated by the traditional sliding mode observer, a rotor position estimation method for a permanent magnet synchronous motor based on an improved sliding mode observer is proposed. The chattering is suppressed by using a saturation function and a phase-locked loop method. To improve the accuracy of rotor position estimation, and to reduce the influence of high-frequency noise on the estimation of back-EMF, an adaptive low-pass filter was introduced. Using Lyapunov stability theory, the stability of the improved sliding mode observer is proved. Both simulations and experiments show the effectiveness of the improved sliding mode observer.
引用
收藏
页码：2814 / 2817
页数：4
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