Analysis and design of full-order flux observers for sensorless induction motors

被引：112

作者：

Hinkkanen, M ^{[1
]}

机构：

[1] Helsinki Univ Technol, Power Elect Lab, FIN-02015 Espoo, Finland

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2004年 / 51卷 / 05期

关键词：

flux estimation; full-order adaptive observer; induction motor drives; speed sensorless;

D O I：

10.1109/TIE.2004.834964

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper deals with the flux estimation for sensorless induction motor drives. The linearized model of the speed-adaptive full-order flux observer is applied to help choosing the observer gain and the speed-adaptation gains. It is shown that the linearized model reveals potential instability problems that are difficult to find by other means. An observer gain and a method to vary the speed-adaptation gains in the field-weakening region are proposed. Experimental results show stable operation in a very wide speed range.

引用

页码：1033 / 1040

页数：8

共 20 条

[1] Current and flux regulation in field-weakening operation [J].