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PERFORMANCE ENHANCEMENT OF DIRECT TORQUE CONTROL OF INDUCTION MOTOR USING FUZZY LOGIC
Abstract
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DTC is strategy of selecting proper stator voltage vectors to reduce torque error and flux error. DTC uses hysteresis band controller whose control action has no difference between large torque error and small one. This results in high torque ripple. In order to reduce the torque ripple and to improve the performance of DTC, DTC based on Fuzzy Logic is proposed in this paper. The simulations are carried out using MATLAB and comparison is made between conventional DTC and DTC using Fuzzy Logic and simulated results are shown.

Authors
P. Sweety Jose1, Jovitha Jerome2 and S. Sathya Bama3
Department of Electrical and Electronics Engineering, PSG College of Technology, Tamil Nadu, India

Keywords
DTC, Fuzzy Logic, Induction Motor, Switching Table
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Published By :
ICTACT
Published In :
ICTACT Journal on Soft Computing
( Volume: 2 , Issue: 1 , Pages: 218-223 )
Date of Publication :
July 2011
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107
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