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A new control strategy of induction motors with stator flux orientation (SFOC) that combines the advantages of both Vector Control and Direct Torque Control is presented. According to the dynamic model of induction motors, stator flux is controlled effectively. Based on the fuzzy logic control theory,the stator resistance estimator is designed to identify stator resistance and on-line compensate....
This paper implements a new observer model in parallel with a sliding mode concept for a field oriented control drive system. The proposed system accounts for the problem of stator resistance variation. The use of feedback correction on the output of the observer eliminates the effect of stator resistance and makes the new observer robust in terms of motor parameter variation. A comparison between...
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