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Direct Torque Control (DTC) has been popular amongst researchers in last few decades. Dynamic and ripple-free control of electric drive has become possible using Space Vector Modulation (SVM) based DTC. Owing the simple structure and wide operating range, PI controllers are used to control torque and flux independently in case of SVM-DTC. But these controllers are less adaptive in situations of change...
This work presents a real time optimum flux adjustment fuzzy controller is cooperated with Direct Torque Control (DTC) adjustable speed drive (ASD) for ac Induction motors, in order to achieve the motor drive loss minimization while meeting the load and speed demands. The proposed control scheme includes a DTC controller, a speed controller and an optimum flux adjustment fuzzy control system. The...
This paper presents design and implementation of a sensorless speed control with DTFC (direct torque and flux control) strategy for induction motor. The DTFC in its conventional form uses algorithms to select the components of the voltage inverter. This paper proposes to replace the conventional selector switches statements of the voltage inverter by a selector based on neural networks ANN (artificial...
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...
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