Design of Speed-Controller for Brushless DC-Motor Based on Grey Predictor-PID Controller

Brushless direct current (BLDC) motor is a permanent-magnet synchronous motor but the commutator and the brushes are replaced by electronic commutation system. This motor is characterized by many advantages compared with other motors and it being used in a wide range of applications. In BLDC motor,...

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Main Author: Mohammed Ezzaldean
Format: Article
Language:English
Published: Unviversity of Technology- Iraq 2018-08-01
Series:Engineering and Technology Journal
Subjects:
Online Access:https://etj.uotechnology.edu.iq/article_175262_b0bbe4b5ca27ca6f10f3de9afbd2788a.pdf
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author Mohammed Ezzaldean
author_facet Mohammed Ezzaldean
author_sort Mohammed Ezzaldean
collection DOAJ
description Brushless direct current (BLDC) motor is a permanent-magnet synchronous motor but the commutator and the brushes are replaced by electronic commutation system. This motor is characterized by many advantages compared with other motors and it being used in a wide range of applications. In BLDC motor, speed control plays an essential role; the speed-controller has to respond rapidly to command changes and to offer enough robustness against the variations of the mechanical load. In this paper, the design of Grey-PID controller is proposed as speed controller of BLDC motor where a new adaptation algorithm is suggested to update the parameters of the adaptive PID controller. The proposed algorithm takes advantages of both of Grey model GM(1,1) and gradient-descent method. The Grey-PID speed control system is simulated by using Matlab\Simulink environment. The simulation results confirm that the proposed controller performs better than the traditional PID controller. By using Grey-PID controller, starting the motor or sudden change of speed can be performed with short rise and settling times, no overshoot and no steady-state error. The proposed controller, also, has a great ability to restrain the fluctuation of speed caused by load disturbance.
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spelling doaj.art-5725f01069ca42f7aa4944d44e5b1f792024-02-04T17:16:23ZengUnviversity of Technology- IraqEngineering and Technology Journal1681-69002412-07582018-08-01368A90090510.30684/etj.36.8A.9175262Design of Speed-Controller for Brushless DC-Motor Based on Grey Predictor-PID ControllerMohammed Ezzaldean0Department of Electrical Engineering, University of Technology, Baghdad, IraqBrushless direct current (BLDC) motor is a permanent-magnet synchronous motor but the commutator and the brushes are replaced by electronic commutation system. This motor is characterized by many advantages compared with other motors and it being used in a wide range of applications. In BLDC motor, speed control plays an essential role; the speed-controller has to respond rapidly to command changes and to offer enough robustness against the variations of the mechanical load. In this paper, the design of Grey-PID controller is proposed as speed controller of BLDC motor where a new adaptation algorithm is suggested to update the parameters of the adaptive PID controller. The proposed algorithm takes advantages of both of Grey model GM(1,1) and gradient-descent method. The Grey-PID speed control system is simulated by using Matlab\Simulink environment. The simulation results confirm that the proposed controller performs better than the traditional PID controller. By using Grey-PID controller, starting the motor or sudden change of speed can be performed with short rise and settling times, no overshoot and no steady-state error. The proposed controller, also, has a great ability to restrain the fluctuation of speed caused by load disturbance.https://etj.uotechnology.edu.iq/article_175262_b0bbe4b5ca27ca6f10f3de9afbd2788a.pdfgrey predictorpid controllergradient-descentblcd motormatlab/simulink
spellingShingle Mohammed Ezzaldean
Design of Speed-Controller for Brushless DC-Motor Based on Grey Predictor-PID Controller
Engineering and Technology Journal
grey predictor
pid controller
gradient-descent
blcd motor
matlab/simulink
title Design of Speed-Controller for Brushless DC-Motor Based on Grey Predictor-PID Controller
title_full Design of Speed-Controller for Brushless DC-Motor Based on Grey Predictor-PID Controller
title_fullStr Design of Speed-Controller for Brushless DC-Motor Based on Grey Predictor-PID Controller
title_full_unstemmed Design of Speed-Controller for Brushless DC-Motor Based on Grey Predictor-PID Controller
title_short Design of Speed-Controller for Brushless DC-Motor Based on Grey Predictor-PID Controller
title_sort design of speed controller for brushless dc motor based on grey predictor pid controller
topic grey predictor
pid controller
gradient-descent
blcd motor
matlab/simulink
url https://etj.uotechnology.edu.iq/article_175262_b0bbe4b5ca27ca6f10f3de9afbd2788a.pdf
work_keys_str_mv AT mohammedezzaldean designofspeedcontrollerforbrushlessdcmotorbasedongreypredictorpidcontroller