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Low Cost Speed Control System of PM Brushless DC Motor Using 2 Hall-ICs  

윤용호 (성균관대 메카트로닉스공학과)
우무선 (성균관대 정보통신공학)
김덕규 (성균관대 정보통신공학)
원충연 (성균관대 정보통신공학)
최유영 ((주)키네모션)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.9, no.4, 2004 , pp. 311-318 More about this Journal
Abstract
Generally, PM BLDC drive system is necessary that the three Hall-ICs evenly be distributed around the stator circumference and encoder installed in case of the 3 phase motor. The Hall-ICs are set up in this motor to detect the main flux from the rotor. So the output signal from Hall-ICs is used to drive a power transistor to control the stator winding current. Instead of using three Hall-ICs and encoder, this paper uses only two Hall-ICs for the permanent magnet rotor position and for the speed feedback signals, and uses a micro controller of 16-bit type(80C196KC) with the 3 phase PM BLDC whose six stator and two rotor designed. Two Hall-IC Hc and $H_B$ are placed on the endplate at 120 degree phase difference. With these elements, we estimate information of the other phase in sequence through a rotating rotor.
Keywords
PM BLDC; 2 Hall-ICs; Estimation Hall-IC signal; 6 pulse; 80C196KC;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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