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Adaptive observers for speed sensorless IMs

Adaptive observers for speed sensorless IMs In this paper, one proposes an approach which allows the design adaptive observers for a class of uniformly observable nonlinear MIMO systems with linear parameterisations. The structure of the proposed observer is simple and it is able to give rise to different observers: 1) adaptive high gain observer for linearly parameterised; 2) adaptive sliding mode observer for linearly parameterised with tanh commutation function; 3) adaptive sliding mode observer for linearly parameterised with arctan commutation function. These observers are applied to jointly estimate states (rotor flux, rotating speed and torque load) and unknown constant parameters (stator resistance). Keywords: adaptive observer; high gain observer; sliding mode observer; induction machine; sensorless speed. Reference to this paper should be made as follows: Chouya, A., Chanafa, M. and Mansouri, A. (2015) `Adaptive observers for speed sensorless IMs', Int. J. Systems, Control and Communications, Vol. 6, No. 4, pp.351­375. Biographical notes: Ahmed Chouya received his DiplEng degree in Electrotechnic Engineering from Hassiba Ben Bouali University in Echchelef in 1998, MS in Automatic from Oran University and PhD in Electrical Engineering from ENPO (Algeria) in 2015. He works on the subject of sensorless observers of induction motors and obtained some results in this domain for http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Systems, Control and Communications Inderscience Publishers

Adaptive observers for speed sensorless IMs

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Publisher
Inderscience Publishers
Copyright
Copyright © 2015 Inderscience Enterprises Ltd.
ISSN
1755-9340
eISSN
1755-9359
DOI
10.1504/IJSCC.2015.072539
Publisher site
See Article on Publisher Site

Abstract

In this paper, one proposes an approach which allows the design adaptive observers for a class of uniformly observable nonlinear MIMO systems with linear parameterisations. The structure of the proposed observer is simple and it is able to give rise to different observers: 1) adaptive high gain observer for linearly parameterised; 2) adaptive sliding mode observer for linearly parameterised with tanh commutation function; 3) adaptive sliding mode observer for linearly parameterised with arctan commutation function. These observers are applied to jointly estimate states (rotor flux, rotating speed and torque load) and unknown constant parameters (stator resistance). Keywords: adaptive observer; high gain observer; sliding mode observer; induction machine; sensorless speed. Reference to this paper should be made as follows: Chouya, A., Chanafa, M. and Mansouri, A. (2015) `Adaptive observers for speed sensorless IMs', Int. J. Systems, Control and Communications, Vol. 6, No. 4, pp.351­375. Biographical notes: Ahmed Chouya received his DiplEng degree in Electrotechnic Engineering from Hassiba Ben Bouali University in Echchelef in 1998, MS in Automatic from Oran University and PhD in Electrical Engineering from ENPO (Algeria) in 2015. He works on the subject of sensorless observers of induction motors and obtained some results in this domain for

Journal

International Journal of Systems, Control and Communications – Inderscience Publishers

Published: Jan 1, 2015

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