A NEW ALGORITHM FOR SENSORLESS OPERATION OF PERMANENT-MAGNET MOTORS

被引：146

作者：

ERTUGRUL, N

ACARNLEY, P

机构：

[1] The Electric Drives and Machines Group, Department of Electrical Engineering, The University of Newcastle upon Tyne, Newcastle upon Tyne

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 1994年 / 30卷 / 01期

关键词：

Permanent magnet motors - Sensorless operations;

D O I：

10.1109/28.273630

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, the authors propose and investigate a new algorithm for shaft position sensorless operation of permanent magnet motors, based on flux linkage and line current estimation. Measured line current and terminal voltage are used to estimate the flux linkage of the motor. The algorithm has a two current-loop structure, with the outer loop used to correct the position, and the inner loop utilised to correct the estimated flux linkage. The theoretical basis of the algorithm and individual definition of the system blocks is explained. Dependencies on motor parameters and measurement errors are discussed to show the effectiveness of the method using real data. As well as giving a detailed explanation of the new algorithm, the paper presents a wide range of computed and experimental results, demonstrating the reliability of the method even during acceleration of the motor from rest.

引用

页码：126 / 133

页数：8

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