Journal of the Semiconductor & Display Technology (반도체디스플레이기술학회지)

The Korean Society Of Semiconductor & Display Technology (한국반도체디스플레이기술학회)
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Sensor-less Speed Control of PMSM for Driving Oil-free Air Compressor

무급유식 공기압축기 구동을 위한 영구자석 동기 모터의 센서리스 속도제어

  • Kin, Min Ho (Electronics Engineering of Cheongju University) ;
  • Yang, Oh (Semiconductor Engineering of Cheongju University) ;
  • Kim, Youn Hyun (Department of Electric Engineering of Hanbat National University)
  • 김민호 (청주대학교 전자공학과) ;
  • 양오 (청주대학교 반도체공학과) ;
  • 김윤현 (한밭대학교 전기공학과)
  • Received : 2015.08.31
  • Accepted : 2015.09.22
  • Published : 2015.09.30
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Abstract

This paper suggests the sensor-less speed control of PMSM (Permanent Magnet Synchronous Motor) without the position sensor of oil-free air compressor. It estimated d and q axis back electro motive force using Back-EMF (Electro motive Force) observer to control sensor-less speed of PMSM. Also it used the method that tracks the information of rotor position and speed using PLL (Phase Locked Loop) based on estimated d and q axis Back-EMF. The sensor-less speed control of PMSM for oil air compressor application is carried out with the introduced rotor position and speed tracking method. In this paper, the experimental characterization of the sensor-less drive is provided to verify the accuracy of the estimated position and the performance of sensor-less control is analyzed by results obtained from the experiment. Moreover, the potential of PMSM sensor-less drive in industrial application such as compressor drive is also examined.

Keywords

References

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