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Lateral positioning system for large aperture primary mirror
Yuan, S.; J.-X. Zhang; F.-G. Wang and X.-Y. Liu
2017
发表期刊Guangxue Jingmi Gongcheng/Optics and Precision Engineering
卷号25期号:10
摘要To locate accurately a large aperture primary mirror with balance weight support and Whiffletree support in the primary mirror cell, a lateral positioning method for the large aperture primary mirror was proposed based on the kinematic constraint. The principle of kinematic constraint was introduced, a design scheme of lateral positioning system for the primary mirror was proposed including the selection of location points and the design of flexure hinges and location bases, and then a lateral positioning system was implemented. With finite element method, the influences of the lateral positioning system on the large aperture primary mirror system was analyzed in several aspects, such as system location, resonant frequency and mirror surface profile. As the results, it shows that the resonant frequency of the primary mirror reaches 13.6 Hz, the average displacement of the primary mirror is -355.863 nm along the Y-axis direction, and the primary mirror surface profile is uninfluenced. These parameters all meet the design requirements of this lateral positioning system. Experimental results verify the engineering signification of proposed lateral positioning system on the design of support and position systems of primary mirror in large aperture telescopes in the future. 2017, Science Press. All right reserved.
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语种中文
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/59408
专题中科院长春光机所知识产出
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Yuan, S.,J.-X. Zhang,F.-G. Wang and X.-Y. Liu. Lateral positioning system for large aperture primary mirror[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2017,25(10).
APA Yuan, S.,J.-X. Zhang,&F.-G. Wang and X.-Y. Liu.(2017).Lateral positioning system for large aperture primary mirror.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,25(10).
MLA Yuan, S.,et al."Lateral positioning system for large aperture primary mirror".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 25.10(2017).
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