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Sensorless BLDCM control system based on IRMCF343

Li Qinfeng,Chen Qiwei,Yin Meifu(School of Mechanical Engineering,Jiangsu University of Science and Technology,Zhenjiang Jiangsu 212003,China)  
A whole sensorless control design system for frequency self-control BLDCM(Brush Less Direct Curent Motor) rotor and phase of exchange based on IRMCF343 were proposed in this paper.IRMCF343 implements a FOC control algorithm by using a hardware method.At the same time,it implements PID and other strategy including measurement of stator current in order to estimate rotor.moreover,the wave of current,the waves of reference and feedback speed were gotten.The experiment results show that the wave of current is close to rectangle,and feedback speed may approach reference.The users can configure and optimize system performance freely with its perfect dynamic and static characteristics.
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