Modeling and Sim ulation of Controlling System for Brushless DC Motor

Journal of South China University of Technology (Natural Science Edition) ›› 2005, Vol. 33 ›› Issue (8): 28-32.

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Modeling and Sim ulation of Controlling System for Brushless DC Motor

Yang Xiang-yu Yang Jin Zou Li-ping

College of Electric Power,South China Univ.of Tech.,Guangzhou 510640,Guangdong,China

Received:2004-10-29 Online:2005-08-25 Published:2005-08-25
Contact: 杨向宇(1963-)，男，教授，博士生导师，主要从事电机调速与控制研究 E-mail:yangxyu@scut.edu.cn
About author:杨向宇(1963-)，男，教授，博士生导师，主要从事电机调速与控制研究

Abstract

Abstract:

In order to verify the rationality of the controlling algorithms,the controlling strategies and the motor pa-rameters,a simulation model of the controlling system for the brushless DC motor controlled by a triangle-wave PW M is constructed based on the simulation platform of Matlab/simulink.The sub-modules of the controlling sys-tem are then introduced in detail. Moreover,according to the basic flux linkage equations of brushless DC motor,the operating mode of the three-phase square·wave motor with wye-connected phase windings and two mosfets is ana-lyzed.The simulated results indicate that the proposed model has a good response to the rotation speed and rotation torque,and possesses quick simulation pace.

Key words: brushless DC motor, controlling system , modeling, Matlab/simulink simulation

Yang Xiang-yu Yang Jin Zou Li-ping. Modeling and Sim ulation of Controlling System for Brushless DC Motor[J]. Journal of South China University of Technology (Natural Science Edition), 2005, 33(8): 28-32.

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Modeling and Sim ulation of Controlling System for Brushless DC Motor

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