Low and zero speed sensorless control of nonsalient PMSM

被引：3
|
作者：
Urlep, Evgen [1 ]
Jezernik, Karel [1 ]
机构：
[1] Univ Maribor, Fac Elect Engn & Comp Sci, Inst Robot, SLO-2000 Maribor, Slovenia
来源：
2007 IEEE INTERNATIONAL SYMPOSIUM ON INDUSTRIAL ELECTRONICS, PROCEEDINGS, VOLS 1-8 | 2007年
关键词：
D O I：
10.1109/ISIE.2007.4374956
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 speed sensorless; control of nonsalient PMSM is demonstrated in this paper, where estimated rotor flux is directly utilized, instead of transformation angle. A discrete-time sliding-mode current controller in stationary frame with EMF feedforward is employed. The operation at low speed is improved by reducing the disturbance impact. The estimation angle error at zero speed is limited by injecting additional DC current that compensates for the unknown load torque and enables operation at zero speed.
引用
收藏
页码：2238 / 2243
页数：6
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