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Improvement the DTC system for electric vehicles induction motors

DOI: 10.2298/sjee1002149a

Keywords: electric vehicle , induction motor , FLC based DTC scheme

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A three-phase squirrel-cage induction motor is used as a propulsion system of an electric vehicle (EV). Two different control methods have been designed. The first is based on the conventional DTC Scheme adapted for three level inverter. The second is based on the application of fuzzy logic controller to the DTC scheme. The motor is controlled at different operating conditions using a FLC based DTC technique. In the simulation the novel proposed technique reduces the torque and current ripples. The EV dynamics are taken into account.


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