Speed Sensorless Control of Bearingless Permanent Magnet Synchronous Motor

被引：0
|
作者：
Xu Bo [1 ]
Ji Wei [1 ]
Zhu Huangqiu [1 ]
机构：
[1] Jiangsu Univ, Sch Elect & Informat Engn, Zhenjiang 212013, Peoples R China
来源：
PROCEEDINGS OF THE 31ST CHINESE CONTROL CONFERENCE | 2012年
基金：
高等学校博士学科点专项科研基金;
关键词：
Bearingless permanent magnet synchronous motor(BPMSM); Speed sensorless; High frequency signal injection; Extended Kalman filter (EKF); DRIVE;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A composite observer method using high frequency signal injection and extended Kalman filter (EKF) is presented to estimate the rotor position and speed for bearingless permanent magnet synchronous motor(BPMSM). The very low speed and standstill performance of the drive is further enhanced by using high frequency signal injection. The high speed of the drive is using EKF. By designing speed switch, it can achieve smooth switching between the two methods. The proposed method is capable of exhibiting high dynamic and steady-state performances over a wide speed range. Experimental results confirm the effectiveness of the proposed method.
引用
收藏
页码：4434 / 4438
页数：5
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