An observer for speed sensorless induction motor drive is proposed in the paper. It is easy to implement on a microprocessor with particular reference to high performances drives requiring vectorial control techniques which need of a flux observer. The proposed speed observer is based on an adequate arrangement of the error system equations, written in complex form in order to describe a full order flux observer. The results obtained by a numerical simulation show a very fast drive response, high accuracy of the velocity, flux and currents estimation and a good robustness to the rotor resistance variations.

AN OBSERVER FOR SPEED SENSORLESS INDUCTION MOTOR DRIVE

C. ATTAIANESE
;
1994

Abstract

An observer for speed sensorless induction motor drive is proposed in the paper. It is easy to implement on a microprocessor with particular reference to high performances drives requiring vectorial control techniques which need of a flux observer. The proposed speed observer is based on an adequate arrangement of the error system equations, written in complex form in order to describe a full order flux observer. The results obtained by a numerical simulation show a very fast drive response, high accuracy of the velocity, flux and currents estimation and a good robustness to the rotor resistance variations.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11588/746816
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