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Speed Control of Bldc Motor using a Robust Design of LQR Controller

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IJCA Proceedings on International Conference on Emerging Trends in Technology and Applied Sciences
© 2015 by IJCA Journal
ICETTAS 2015 - Number 3
Year of Publication: 2015
Authors:
Vishnu C. S.
Riya Mary Francis

Vishnu C.s. and Riya Mary Francis. Article: Speed Control of Bldc Motor using a Robust Design of LQR Controller. IJCA Proceedings on International Conference on Emerging Trends in Technology and Applied Sciences ICETTAS 2015(3):6-11, September 2015. Full text available. BibTeX

@article{key:article,
	author = {Vishnu C.s. and Riya Mary Francis},
	title = {Article: Speed Control of Bldc Motor using a Robust Design of LQR Controller},
	journal = {IJCA Proceedings on International Conference on Emerging Trends in Technology and Applied Sciences},
	year = {2015},
	volume = {ICETTAS 2015},
	number = {3},
	pages = {6-11},
	month = {September},
	note = {Full text available}
}

Abstract

Brushless Direct Current motors are one of the motor types rapidly gaining popularity. The major problem in BLDC drive system is that some disturbances are originated in the drive which will results in errors and reduces the stability of the system. Conventional controller is used to control the speed of the motor, but the response of the system is affected by steady state error and represents a poor transient response. To regulate the speed of the motor at desired speed is an important application in automotive industries. So we use a Linear Quadratic Regulator controller and Linear Quadratic Gaussian to regulate the speed of the motor. The state variables and control variables of the BLDC drive system are synthesized in this paper. The main objective of this paper is to formulate the control law which results in minimum performance index. This paper spotlights both the design and simulation of optimal & Robust control systems for BLDC motor drive system.

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