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Modeling and Analysis of PI Controller Based Speed Control of Brushless DC Motor Drive

Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.2, No. 9)

Publication Date:

Authors : ;

Page : 2226-2231

Keywords : : Brushless DC motor (BLDC); converter; dynamic model; feedback control; simulink; speed control.;

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Abstract

The Brushless DC motors (BLDC) find widespread applications in domestic and industries due to their low and high power density and ease of speed control. To accomplish desired level of performance the motor requires suitable speed controllers. In case of permanent magnet Brushless DC motors, usually control of speed is reached by using proportional integral (PI) controller. Although the conventional PI controllers are widely used in the industry due to their simple control structure and ease of implementation, these controllers pose difficulties where there are some control complexity such as nonlinearity, load disturbances and parametric variations. Moreover PI controllers require precise linear mathematical models. In this paper, the analysis and mathematical modeling of BLDC motor is implemented. Also, speed control of three phase BLDC motor drive using power electronic device is projected by using matlab/Simulink. The simulation result shows the improved performance of developed Brushless DC motor drive.

Last modified: 2014-11-11 22:08:18