Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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5-D.O.F. Force/moment Sensor using Optical Intensity Modulation in MR-field

MR 환경에서 사용을 위한 5자유도 광학식 힘센서

  • Kim, Min Gyu (Department of Mechanical Design and Mechatronics, Graduated School of Hanyang Univ.) ;
  • Lee, Dong Hyeok (Department of Mechanical Design and Mechatronics, Graduated School of Hanyang Univ.) ;
  • Cho, Nahm Gyoo (Department of Mechanical Engineering, Hanyang Univ.)
  • 김민규 (한양대학교 대학원 기계설계.메카트로닉스공학과) ;
  • 이동혁 (한양대학교 대학원 기계설계.메카트로닉스공학과) ;
  • 조남규 (한양대학교 기계공학과)
  • Received : 2012.12.11
  • Accepted : 2013.02.28
  • Published : 2013.05.01
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Abstract

A 20 mm diameter of small 5-D.O.F. force sensor has been developed for applications in MR-field Optical intensity modulation was adopted for transducing to miniaturize the sensor structure. For its accurate sensing of 5-D.O.F. force/moment, the elastic detecting module was designed to respond independently to each force or moment component. And for small size, two optical transducing modules of 2-D.O.F. and 3-D.O.F. were designed and integrated with the detecting module where optical fibers were arranged in parallel to make the sensor small. It is confirmed by calibration test that the detecting modules deforms linearly and independently to the input force. The results of evaluating test show that the range and resolution of forces are ${\pm}4$ N and 0.94~7.1 mN and the range and resolution of moments are ${\pm}120N{\cdot}mm$ and $0.023{\sim}0.034N{\cdot}mm$.

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References

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