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http://dx.doi.org/10.3795/KSME-B.2004.28.6.638

Development and Analysis for Micro Actuator Using Buckling Membrane and Phase Change  

Song, Kwi-Eun (한국과학기술연구원 열유동 제어 연구센터)
Kim, Jeong-Sik (한국과학기술원 기계기술연구소)
Kim, Kwang-Ho (한국과학기술연구원 열유동 제어 연구센)
Lee, Yoon-Pyol (한국과학기술연구원 열유동 제어 연구센)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.28, no.6, 2004 , pp. 638-645 More about this Journal
Abstract
A new micro actuation concept is introduced and studied in this paper. This idea is based on the thermo-pneumatic actuation principle. In order to improve the performance of a conventional thermo-pneumatic actuator, the idea of bistable buckling is added. By using a membrane which has the bistable buckling characteristics, the working pressure difference can be increased and as a result the work output can be increased. The analysis model for each phenomenon, bistable buckling and phase change, are suggested and the each model is verified with experimental data. From the comparison of the theoretical prediction with the experimental results, it can be concluded that these models are useful for such micro actuator analysis.
Keywords
Micro Actuator; Bistable Membrane; Phase Change;
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