A comparative study of universal fuzzy logic and PI speed controllers for four switch BLDC motor drive Online publication date: Tue, 11-Dec-2018
by K.S. Krishna Veni; N. Senthil Kumar; C. Senthil Kumar
International Journal of Power Electronics (IJPELEC), Vol. 10, No. 1/2, 2019
Abstract: This paper presents a comparison of PI controller and fuzzy controller for speed control of a low cost brushless DC (BLDC) motor drive used in variable speed drive applications. The cost reduction in BLDC drive system is achieved by the reduction of power semiconductor switches. A PI controller and universal fuzzy controller are designed for the speed control and tested by simulation for various conditions. The simulation is performed by using MATLAB Simulink toolbox and the results show the effective response of the fuzzy controller. The rise time and steady state error of fuzzy controller is improved on an average of about 26% and 55% respectively compared to the conventional PI controller.
Online publication date: Tue, 11-Dec-2018
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