A NONLINEAR SPEED OBSERVER FOR PERMANENT-MAGNET SYNCHRONOUS MOTORS

被引：46

作者：

LOW, TS

LEE, TH

CHANG, KT

机构：

[1] University of Singapore

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 1993年 / 40卷 / 03期

关键词：

D O I：

10.1109/41.232210

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The application of vector control techniques in ac drives demands accurate position and velocity feedback information for the current control and servo control loops. This paper describes a speed observer system suitable for use with the permanent-magnet synchronous motors as a software transducer. The observer is developed from the dq model of the machine. The nonlinearities in the machine model present a problem to the observer design, and a technique employing state detection is used to achieve global stability and consistent convergency of the observer system. The design considerations of the observer are discussed. The simulations show that the performance of the observer is robust against noise and parameter uncertainties.

引用

页码：307 / 316

页数：10

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