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PLL Control Method for Precise Speed Control of Slotless PM Brushless DC Motor Using 2 Hall-ICs  

Yoon Y.H (성균관대 메카트로닉스공학과)
Lee S.J (성균관대)
Kim Y.R (성균관대 정보통신공학부)
Won C.Y (성균관대 정보통신공학부)
Choe Y.Y ((주)키네모션)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.10, no.2, 2005 , pp. 109-116 More about this Journal
Abstract
The high performance drives of the slotless Permanent Magnet Brushless DC(PM BLDC) motor can be achieved by the current control, where the currents flow according to the rotor position and the current phase is suitably controlled according to the operational condition. Rotor position information can be provided by Hall-IC or sensorless algorithm. So, the Hall-ICs are set up in this motor to detect the main flux from the rotor. Instead of using three Hall-ICs and encoder, this paper uses only two Hall-ICs for the permanent magnet rotor position and the speed feedback signals, and uses a micro-controller of 16-bit type (80C196KC). Also because of low resolution obtained by using Hall-IC even low-cost and simple structure, to improve the wide range of speed response characteristic more exactly, we propose the rotor position signal synthesizer using PLL circuit based on two Hall-ICs.
Keywords
Slotless PM BLDC; 2 Hall-ICs; PLL(Phase locked loop);
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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