Title: Fuzzy direct torque control for induction motor drive system based on space vector modulation

Authors: Abdesselam Chikhi; Fouzia Benmessaoud

Addresses: Department of Electrical Engineering, University of Batna, Street Chahid Med Boukhlouf, Batna 05000, Algeria ' Department of Electrical Engineering, University of Batna, Street Chahid Med Boukhlouf, Batna 05000, Algeria

Abstract: A new approach of a fuzzy direct torque control and drive (FDTC) for induction motor drive system based on space vector modulation (SVM) technology is proposed in this paper. By comparing the conventional direct torque control using space vector modulation technology (SVMDTC) method with the fuzzy direct torque control, a fuzzy controller is used to replace the PI conventional speed regulator. In the proposed strategy, the error between the estimated and the referred linkage flux of the stator and torque will be compensated by an accurate synthesised space vector voltage. Simulation results show that the proposed SVM-DFTC method can improve the system robustness, evidently reduces flux and torque ripples, and in turn obtain a swift speed response with extraordinarily high improvement of its performance.

Keywords: direct torque control; fuzzy DTC; space vector modulation; SVM; fuzzy logic; induction motors; fuzzy control; simulation; flux ripples; torque ripples.

DOI: 10.1504/IJIED.2015.069782

International Journal of Industrial Electronics and Drives, 2015 Vol.2 No.2, pp.91 - 97

Received: 27 Mar 2014
Accepted: 08 Oct 2014

Published online: 11 Jun 2015 *

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