Parameter estimation of permanent magnet stepper motors without mechanical sensors

被引：11
作者：
Delpoux, R. [1 ]
Bodson, M. [2 ]
Floquet, T. [1 ]
机构：
[1] Ecole Cent Lille, LAGIS UMR CNRS 8219, F-59651 Villeneuve Dascq, France
[2] Univ Utah, Dept Elect & Comp Engn, PEARL, Salt Lake City, UT 84112 USA
来源：
CONTROL ENGINEERING PRACTICE | 2014年 / 26卷
关键词：
Permanent magnet stepper motors; Synchronous motors; Sensorless systems; Parameter identification; Elimination theory; SYNCHRONOUS MOTORS; ONLINE IDENTIFICATION;
D O I：
10.1016/j.conengprac.2014.01.015
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 paper presents a new sensorless parameter identification method for permanent magnet stepper motors. Current sensors are assumed available, but mechanical sensors are not. Data is obtained with open-loop commands at multiple speeds. A new frame is proposed that presents advantages similar to the d-q frame, but without the need for a position sensor. The method exploits derived linear parameterizations and least-squares algorithms. In some cases, overparameterization is resolved using elimination theory. The parameters identified using the new procedure are found to be very close to those obtained with sensors. The approach is potentially applicable to other types of synchronous motors. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：178 / 187
页数：10
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