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The Position Sensorless Control of SRG using the Instantaneous Flux  

김영조 (유한대학 컴퓨터제어과)
오승보 (삼성전자 DVD 개발그룹)
김영석 (인하대학교 전자전기공학부)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.7, no.5, 2002 , pp. 472-481 More about this Journal
Abstract
In this paper, the instantaneous flux Is applied to control the position of the SRG (Switched Reluctance Generator) without position sensor. The position information of the rotor is required in the drive of SRG. These data are generally obtained by a shaft encoder or resolver. In some cases, the EMI(Electro Magnetic Interference), vibration, thermal, and humidity environments may cause the difficulties in maintaining the satisfactory performance for the position detection. Therefore, the elimination of the position and speed sensor is needed. In this paper, a new method for the position estimation of the SRG is proposed. The estimation of the flux is calculated by using the measured voltage and current. The rotor position gets from the flux profile. The output voltage is also controlled constantly by PR control algorithm. These methods are verified by computer simulations md experiments using DSP. Experimental results certificate that the proposed method is able to control the SRG stable, and keep the output voltage constant in spite of changing of the load.
Keywords
SRG; Sensorless control; PID control; DSP;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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