Stator-Current-Based MRAS Estimator for a Wide Range Speed-Sensorless Induction-Motor Drive

被引：285

作者：

Orlowska-Kowalska, Teresa ^{[1
]}

Dybkowski, Mateusz ^{[1
]}

机构：

[1] Wroclaw Univ Technol, Inst Elect Machines Dr & Measurements, PL-50372 Wroclaw, Poland

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2010年 / 57卷 / 04期

关键词：

Field-oriented control; induction-motor (IM) drive; model reference adaptive system (MRAS); sensorless drive; state-variable estimation; EXTENDED KALMAN FILTERS; VECTOR CONTROL; OBSERVERS; FLUX; IDENTIFICATION; STABILITY;

D O I：

10.1109/TIE.2009.2031134

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper deals with an analysis of the vector-controlled induction-motor (IM) drive with a novel model reference adaptive system (MRAS)-type rotor speed estimator. A stability-analysis method of this novel MRAS estimator is shown. The influence of equivalent-circuit parameter changes of the IM on the pole placement of the estimator transfer function and the stability of the whole drive system are analyzed and tested. The influence of the adaptation-algorithm coefficients of the MRAS-estimator scheme is also tested. The allowable range of motor-parameter changes is determined, which guarantees the stable operation of the sensorless field-oriented IM drive with this speed and flux estimator. Dynamical performances of the vector-control system with the current-type MRAS estimator are tested in a laboratory setup.

引用

页码：1296 / 1308

页数：13

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