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Structure design and analysis of the secondary mirror bracket for all day star orientation instrument
Liu, Yang1; Wang, Hu1; Lin, Shangmin1; Jie, Yongjie Jie1; Liu, Jie1; Xue, Yaoke1; Liu, Meiying1,2; Wang, Feng1
2019
会议名称3rd International Conference on Photonics and Optical Engineering
会议录名称Third International Conference on Photonics and Optical Engineering
卷号11052
会议日期2018-12-05
会议地点Xi'an, China
出版者SPIE
产权排序1
摘要

In order to improve the stability of the secondary mirror mounting structure and reduce the influence of the position change of the secondary mirror on the imaging quality of the camera, the secondary mirror support structure was studied. Aiming at the problems of traditional secondary mirror support, a new type of secondary mirror bracket is proposed in this paper. The finite element analysis results show that under the same obstruction ratio, the torsional stiffness, the stiffness along the optical axis and the thermodynamic properties of the new secondary mirror bracket are similar to the secondary mirror traditional support structure, but the weight of the new s bracket is only 15.2% of the traditional support structure. The new bracket solves the shortcomings of the traditional secondary mirror support structure, such as high cost, long period and heavy weight, and is easy to assemble. It has been successfully applied in the all-day star orientation instrument. ? 2019 SPIE.

作者部门空间光学技术研究室
DOI10.1117/12.2519837
收录类别EI ; CPCI
ISBN号9781510627796
语种英语
ISSN号0277786X;1996760X
WOS记录号WOS:000464740100003
EI入藏号20190806534734
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/31276
专题空间光学技术研究室
通讯作者Liu, Yang
作者单位1.Xi'An Institute of Optics and Precision Mechanics, CAS, Xi'an; 710119, China;
2.University of CAS, Beijing; 100049, China
推荐引用方式
GB/T 7714
Liu, Yang,Wang, Hu,Lin, Shangmin,et al. Structure design and analysis of the secondary mirror bracket for all day star orientation instrument[C]:SPIE,2019.
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