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Improvement of Torque Response and Reduction of Error Speed in Direct Torque Control of Induction Motor by Fuzzy Logic

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Author(s): HamidReza Fakharizadeh

Journal: Majlesi Journal of Electrical Engineering
ISSN 2008-1413

Volume: 3;
Issue: 3;
Start page: 71;
Date: 2009;
Original page

Keywords: Direct torque control | Fuzzy logic | Simulink of induction motor

ABSTRACT
In this paper, the direct torque control (DTC) technique is used for the speed control of induction motors, and then fuzzy logic is used for designing the speed controller, the improvement of torque response and the reduction of the speed error. The DTC method is utilized due to its quick torque response and robustness against sudden load variations. Also, by applying fuzzy logic unpredicted problems can be solved. The fuzzy logic also can improve the work of the speed control in induction motors. The results indicate that this approach improves the torque response significantly and reduces speed error.
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