Multi-try counter-meshing gears discrimination device based on MEMS technology |
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| Authors: | Sheng-yong Li Wen-yuan Chen Wei-ping Zhang Xiao-yu Gao Qi-jun Xiao Shun-yi Tan Min-hua Feng |
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| Institution: | Key Laboratory for Thin Film and Microfabrication of Ministry of Education, Research Institute of Micro/Nano Science and Technology, Shanghai Jiaotong University, Shanghai 200240, China |
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| Abstract: | A multi-try counter-meshing gears (CMG) discrimination device based on micro electromechani-cal system (MEMS) technology was designed for some specified information fields. The discrimination deviceconsists of two groups of metal CMG, two pawl/ratchet mechanisms, two driving micromotors and two re-setting micromotors, which make the CMG withdraw by raising the pawls. The energy-coupling element isa photoelectric sensor with a circular plate which is notched. Micromotor is fabricated using the ultravioletLiGA (UV-LiGA) fabrication process and precision mechanical engineering. The discrimination device has thefunction which can automatically reset, with the correct resetting code, it can be tried another times. |
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| Keywords: | multi-try counter-meshing gears discrimination device micro electromechanical system (MEMS) micromotor |
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