Transactions of the Korean Society for Noise and Vibration Engineering (한국소음진동공학회논문집)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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Study on the Elimiation of Irreversible Magnetic Components Using Anhysteretization in a Magnetostrictive Vibration Sensor

자왜형 진동 센서의 비이력화를 통한 비가역적 자화성분 제거에 관한 연구

  • 이호철 (대구가톨릭대학교 기계자동차공학부) ;
  • 배원호 (대구가톨릭대학교 기계자동차공학부)
  • Received : 2010.07.30
  • Accepted : 2010.08.20
  • Published : 2010.09.20
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Abstract

Previous experimental results show that the magnetostrictive transducer has the peculiar characteristic with relation to their reversible magnetization and its practical usage will be hindered by this phenomena. In this paper, the idea of anhysteretization is adopted in order to solve this problem. The experimental results reveal that the anhysteretization can get rid of the extraordinary phenomena which are occurred by the change of biasing magnetic field. The effects of two important parameters, which are the amplitude and the decaying time of this process, on the anhysteretization are investigated experimentally. Finally the best operating condition is proposed in order to maximize the sensitivity under the anhysteretization.

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References

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