Model-based speed identification for induction machines in the whole operating range

被引：28

作者：

Depenbrock, M ^{[1
]}

Evers, C ^{[1
]}

机构：

[1] Ruhr Univ Bochum, Inst Generat & Applicat Elect Energy, D-44780 Bochum, Germany

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2006年 / 53卷 / 01期

关键词：

adaptive tuning; flux model; highly dynamic drives; induction motors; sensorless vector control; stability;

D O I：

10.1109/TIE.2005.862323

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A speed observer for induction machines without rotational transducers is presented. In contrast to known adaptive observer strategies, the proposed scheme uses-beside the conventional current difference-its integral and a new pair of stretch-turn operators not only to avoid the known instability region at braking but to obtain furthermore a constant gain. To ensure operation with very low stator frequencies, an elimination of parasitic dc components is presented additionally. Characteristics are explained and verified by measurements.

引用

页码：31 / 40

页数：10

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