• 제목/요약/키워드: SMA Dynamical characteristical Characteristics

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NiTi 형상기억합금을 이용한 차동식 액츄에이터의 동작성능 향상을 위한 연구 (A study on the Improvement of the Performance of Biodirectional SM Actuator)

  • 정상화;김현욱;차경래;송석;신병수;이경형
    • 한국공작기계학회:학술대회논문집
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    • 한국공작기계학회 2003년도 춘계학술대회 논문집
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    • pp.346-351
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    • 2003
  • In the recent years, as the research and the development of micro and precision machinery become active, the interest of micro actuators using SMA(Shape Memory Alloy) has been increased. The dynamic characteristic analysis of SMA is necessary for actuator application and many common researches report the material characteristics of SMA sufficiently. However, the research on dynamic characteristics is very deficient. In this paper, the helical spring are fabricated with NiTi SMA wire of high resistivity. The force, response speed, temperature, and displacement are measured by digital force gauge, infrared thermometer, and laser displacement sensor so that the dynamic characteristics of this SMT is analyzed. Also, bidirectional actuator was fabricated and experimented for its performance

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