Volume 6, Issue 2 (June 2010)                   IJEEE 2010, 6(2): 110-118 | Back to browse issues page

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Rezaei M M, Mirsalim M. Improved Direct Torque Control for Induction Machine Drives Based on Fuzzy Sector Theory. IJEEE 2010; 6 (2) :110-118
URL: http://ijeee.iust.ac.ir/article-1-294-en.html
Improved Direct Torque Control for Induction Machine Drives Based on Fuzzy Sector Theory
M. M. Rezaei , M. Mirsalim
Abstract:   (13701 Views)
Here, a new fuzzy direct torque control algorithm for induction motors is proposed. As in the classical direct torque control, the inverter gate control signals directly come from the optimum switching voltage vector look-up table, the best voltage space vector selection is a key factor to obtain minimum torque and flux ripples. In the proposed approach, the best voltage space vector is selected using a new fuzzy method. A simulation model is built up and the torque and flux ripples of basic direct torque control and the proposed method are compared. The simulation results show that the torque and flux ripples are significantly decreased and in addition, the switching frequency can be fixed.
Keywords: Direct Torque Control , Fuzzy Logic , Induction Machine
Full-Text [PDF 204 kb]   (4777 Downloads)    
Type of Study: Research Paper | Subject: Electrical Drives
Received: 2010/06/09
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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
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© 2022 by the authors. Licensee IUST, Tehran, Iran. This is an open access journal distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license.