Contribution d’une commande DTC sans capteur de vitesse appliquée sur un moteur d’induction basée sur le filtre de ‘kalman simplifié’

Abstract

The progresses of micro-processing and in the power electronics allows discovery many strategies of the induction motor of the three-phase, one of thèse strategies which have a huge success in research, direct torque control (DTC). This strategy (DTC) is a very reliable solution to the problems of robustness and dynamics encountered in the other commands. The insertion of a speed sensor in applications at variable speeds made it possible to make the installation more expensive, and the possibility of losing its measurement accuracy . For this, we proposed to integrate a speed estimator based on the simplified kalman filter