New control strategy for sensorless vector control im drives with rotor time constant estimation

被引：0

作者：

Beguenane, R. ^{[1
]}

Ouhrouche, M. ^{[1
]}

Thongam, J.S. ^{[1
]}

机构：

[1] Department of Applied Sciences, University of Quebec at Chicoutimi, 555, Bld. de l'université, Chicoutimi

来源：

International Journal of Power and Energy Systems | 2008年 / 28卷 / 02期

关键词：

Back-electromotive force; Induction motor; Inverse rotor time constant; Kalman Filter; Model reference adaptive system; Rotor speed; Vector control;

D O I：

10.2316/journal.203.2008.2.203-3466

中图分类号：

学科分类号：

摘要：

A sensorless induction motor vector control scheme is proposed taking into account the compensation of the inverse rotor time constant variation. The model reference adaptive system (MRAS) method based on back EMF is considered for concurrent estimate of the speed and inverse rotor time constant. Two observers are used simultaneously; the deterministic MRAS observer that estimates the speed and inverse rotor time constant, and a Kalman Filter observer for rotor flux estimation. The induction motor speed control is made possible by combining the hybrid MRAS and Kalman Filter structure. Theoretical background including the stability is confirmed by the numerical simulations, and the results seem to be satisfactory for a large speed bandwidth and torque load.

引用

页码：111 / 117

页数：6

共 23 条

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