Proceedings of the Korea Institute of Convergence Signal Processing (융합신호처리학회 학술대회논문집)

The Korea Institute of Convergence Signal Processing (한국융합신호처리학회)
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2-Dimensional Fluxgate Sensor using Ferrite Ring Core

페라이트 링코어를 이용한 2차원 Fluxgate 센서

  • 임재환 (부경대학교 공과대학 전자공학과) ;
  • 박한석 (부경대학교 공과대학 전기공학과) ;
  • 안영주 (부경대학교 공과대학 제어계측공학과) ;
  • 김남호 (부경대학교 공과대학 제어계측공학과) ;
  • 류지구 (부경대학교 공과대학 전자공학과)
  • Published : 2003.06.01
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Abstract

In this paper, we have a fluxgate sensor with ferrite core. Thought sensor is consist of one excitation coil and two pick-up coil, and A lock-in amplifier circuity is designed for Signal processing of picking up 2nd harmonics from pick-up coils. Excitation coils is turned by 20 turns, and pick-up coil for picking up harmonics is turned by 40 turns eachother. It convert 2nd harmonics to DC output voltage. Measured output voltage and sensitivity, direction of sensor about out side magnetic field, and also sensor output properties about excitation frequency and current.

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