Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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Vibration characteristic analysis of differential floating mass transducer using electrical model for fully-implantable middle ear hearing devices

전기 모델에 의한 완전 이식형 인공중이용 차동 전자 트랜스듀서의 진동 특성 해석

  • Kim, Min-Woo (Department of Medical and Biological Engineering, Graduate School, Kyungpook National University) ;
  • Kim, Min-Kyu (Department of Mechanical Engineering, Pohang Science and Technology) ;
  • Seong, Ki-Woong (School of Electrical Engineering and Computer Science, Kyungpook National University) ;
  • Lim, Hyung-Gyu (School of Electrical Engineering and Computer Science, Kyungpook National University) ;
  • Jung, Eui-Sung (School of Electrical Engineering and Computer Science, Kyungpook National University) ;
  • Han, Ji-Hun (School of Electrical Engineering and Computer Science, Kyungpook National University) ;
  • Park, Il-Yong (Advanced Research Center for Recovery of Human Sensibility, Kyungpook National University) ;
  • Cho, Jin-Ho (School of Electrical Engineering and Computer Science, Kyungpook National University)
  • 김민우 (경북대학교 대학원 의용생체공학과) ;
  • 김민규 (포항공과대학교 기계공학과) ;
  • 성기웅 (경북대학교 전자전기컴퓨터학부) ;
  • 임형규 (경북대학교 전자전기컴퓨터학부) ;
  • 정의성 (경북대학교 전자전기컴퓨터학부) ;
  • 한지훈 (경북대학교 전자전기컴퓨터학부) ;
  • 박일용 (경북대학교 첨단 감각기능 회복장치 연구센터) ;
  • 조진호 (경북대학교 전자전기컴퓨터학부)
  • Published : 2007.05.31
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Abstract

A differential floating mass transducer has been developed in Korea for fully implantable middle ear hearing devices (F-IMEHDs). In particular, the performance of a differential floating mass transducer (DFMT) is very important among the parts of the F-IMEHDs because the mechanical vibration generated by DFMT is delivered to the inner ear directly. In this paper, the electrical model is proposed to analyze the DFMT vibration characteristic using the mechanical model of the DFMT. The electrical model enables the simple analysis of DFMT vibration characteristics using a computer program. The proposed electrical model is simulated through PSpice as changing the values of passive elements in the electrical model. To verify the proposed model, the DFMT has been implemented on the basis of the simulated results and the experiment for vibration measurement has been carried out. Through the comparison, it is verified that the proposed model is useful to analyze the vibration characteristics of the DFMT.

Keywords

References

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