Journal of the Institute of Electronics Engineers of Korea SC (전자공학회논문지SC)

The Institute of Electronics and Information Engineers (대한전자공학회)
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Sensorless Control of Brushless DC Motors Using a Frequency-Independent Phase Shifter

주파수불변 위상지연기를 사용한 BLDCM의 센서리스제어

  • 정두희 (삼성전자(주) 냉공조(사)선행연구그룹) ;
  • 하인중 (서울대학교 전기공학과)
  • Published : 2000.03.01
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Abstract

This paper describes a sensorless control scheme for brushless dc motors(BLDCMs) using a phase shifter(FIPS) which can shift the zero-crossing point of the input signal with a specified amount of phase. The detection performance of the proposed FIPS is independent of the frequency of the input signal and quite robust with respect to the measurement noise. It is shown that the proposed sensorless control scheme using the FIPS is more effective in the respects of noise-robustness and cost than the previously known schemes. The generality and practicality of the proposed sensorless control scheme is demonstrated through performance analysis and experiments under various operating conditions.

본 논문에서는 입력 신호의 영점 통과점을 특정 위상 값만큼 지연시켜 주는 위상지연기(FIPS)를 사용한 브러쉬 없는 직류 전동기(BLDCM)의 센서리스 제어 방식을 제안한다. 제안한 FIPS의 검출 성능은 주파수에 무관하며 측정 잡음에 대해 강인하다. 제안한 센서리스 제어 방식은 이러한 FIPS를 사용한 것으로 기존방식에 비해 잡음에 대한 강인성과 비용 면에서 효율적이다. 성능 분석과 다양한 구동조건에서의 실험을 통해 제안한 센서리스 제어 방식의 일반성과 유용성을 입증하였다.

Keywords

References

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