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http://dx.doi.org/10.5370/KIEE.2013.62.9.1234

Speed Control of Permanent Magnet Brushless DC Motor using Variable Gain PI Controller  

Yun, Si-Young (Dept. of Electrical Engineering, Hanyang University)
Lee, Ju (Dept. of Electrical Engineering, Hanyang University)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.62, no.9, 2013 , pp. 1234-1239 More about this Journal
Abstract
This paper provides a technical review of speed control using variable gain PI algorithm for BLDC(Brushless DC) motor. Usually the PI control is used in many motor applications, but a general PI control has problems of overshooting and disturbance for response. By the change of PI gain in motor control operation, these problems can be solved. To find the optimized PI gains for BLDC motor control, many control methods have been proposed. In this paper, the control algorithm with a variable PI gain is applied to improve overshooting response in transient region and rapid load disturbance rejection. Fixed gain and variable gain PI controls are compared. The validity of the propose method is verified by experiment.
Keywords
Electric BLDC motor; Variable PI gain; Speed control; Overshooting; Disturbance rejection;
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