Journal of Electrical Engineering and Technology

  • 제12권4호
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  • Pages.1449-1455
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  • 2017
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  • 1975-0102(pISSN)
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  • 2093-7423(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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Simple Bump-removal Scheme for the Position Signal of PM Motor Drives with Low-resolution Hall-effect Sensors

  • Lee, Dong-Myung (School of Electronic and Electrical Engineering, Hongik University)
  • 투고 : 2016.06.17
  • 심사 : 2016.12.12
  • 발행 : 2017.07.01
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초록

The vector control technique using low-resolution Hall-effect sensors has been widely used especially in consumer electronics. Due to electrical and/or mechanical unevenness related to binary-type Hall sensors, the calculated or estimated position information has discontinuities so called bumps, which causes the deterioration of vector control performance. In order to obtain a linearly changing position signal from low-precision Hall-effect sensors, this paper proposes a simple bumps in position signal removal algorithm that consists of a first-order observer with low-pass filtering scheme. The proposed algorithm has the feature of no needs for system parameters and additional estimation processes. The validity of the proposed method is verified through simulation and experimental results.

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참고문헌

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