Adapted Genetic Algorithm and 5 Levels Control Combined Low-Speed Improvement Direct Torque Control


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Direct Torque Control (DTC) has an important role in current motor control. This paper focus on its torque ripple of the reference vector made, summarize a 5 levels structure and novel strategy. This strategy can generate one 5-level, sectors subdivision’s vector table and select the best vector to obtain the best effect. On this basis, combined with adapted genetic algorithm and calculate optimal parameters for the speed controller. In the end, give an example of induction motor. The results show that: the conclusion is correct, the control structure is simple, clear and perform significantly. It means that the strategy is feasibility and correct.



Edited by:

Han Zhao






W. R. Wang et al., "Adapted Genetic Algorithm and 5 Levels Control Combined Low-Speed Improvement Direct Torque Control", Applied Mechanics and Materials, Vols. 130-134, pp. 426-429, 2012

Online since:

October 2011




[1] Stator flux optimised Direct Torque Control system for induction motors,Electric Power Systems Research, Volume 73, Issue 3, March 2005, Pages 257-265,Antoni Arias, Luis Romeral, Emiliano Aldabas, Marcel Jayne.

DOI: 10.1016/j.epsr.2004.06.014

[2] Zhang Ailing, Wang Zhenyu, Yang Wenjie, Comparison between two kinds of reducing torque ripple of based on direct torque control, Electric Machines and Control, 2008, 09, Vol112, No15, 566-570.

[3] Wan Min, Liu Xianxing, Application of Vector Subdivision of Direct Torque Control in Permanent Magnet Synchronous Motor, Ordnance Industry Automation, 2004, Vol. 23, No. 3, 56-58.

[4] DSVM and Duty Ratio Control Combined Direct Torque Control for Bearingless Induction Motor, Liu Xianxing, Wang Weiran , 2010 Chinese Control and Decision Conference, CCDC 2010, pp.2025-2030, 2010, 2010 Chinese Control and Decision Conference, CCDC (2010).

DOI: 10.1109/ccdc.2010.5498890

[5] Hu Weihua, Xi Guohua, Yu Shouyi, Gui Weihua, Improved DSVM Strategy to Modify the Low Speed Performance of Direct Torque Control, Electric Drive, 2007, 09, Vol37, No9, 11-14.

[6] Long Ju, Optimum design speed control system for permanent magnet brushless DC motor based Matlab, China Computer & Communication, 2010, 08, 30.

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