Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
권호 표지

Application of Piezoceramic Actuator to the Inch-Worm

이송자벌레로의 압전세라믹 작동기 응용

  • 김인수 (금오공과대학교 기계공학부) ;
  • 이홍식 (금오공과대학교 기전공학과 대학원) ;
  • 송준엽 (한국기계연구원 자동화연구부)
  • Published : 2001.08.01
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Abstract

This paper presents the new linear notion device so called \"inch-werm\" which gets large displacement by incrementally summing small displacements of PZT actuators. Dynamic stiffness of inch-worm is generally low compared to its driving condition due to the requirement of inch-worm like small size and light weight. This low stiffness may degenerate the positional precision of inch-worm. An inch-worm is realized using three PZT actuators, a monolithic moving device and a guide way frame. Finite element method and experimental approach are used to analyse the static and dynamic motion of the designed inch-worm. Command reference input is shaped to reduce the residual vibration of inch-worm. The practical feasibility of inch-worm is also examined by running tests.ing tests.

Keywords

References

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