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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....
Direct torque control of induction motor is a kind of high performance of AC drive control method, the method of space vector analysis is the applied, The stator magnetic field, directly on the electromagnetic torque motor stator flux and control. But the change of the stator resistance will affect the performance of direct torque control system when the motor at the low speed This paper describes...
This paper presents application of adaptive neuro-fuzzy inference system (ANFIS) into a squirrel cage induction machine towards modeling, control and estimation. This paper contributes (i) Development of a simple and more realistic model of the induction motor using ANFIS. Using ANFIS, the parameter sets of the motor model are estimated. The simplified model contains eleven estimated parameters. In...
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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