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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
Conference Name3rd International Conference on Photonics and Optical Engineering
Source PublicationThird International Conference on Photonics and Optical Engineering
Volume11052
Conference Date2018-12-05
Conference PlaceXi'an, China
PublisherSPIE
Contribution Rank1
AbstractIn 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.
Department空间光学应用研究室
DOI10.1117/12.2519837
Indexed ByEI
ISBN9781510627796
Language英语
ISSN0277786X;1996760X
EI Accession Number20190806534734
Citation statistics
Document Type会议论文
Identifierhttp://ir.opt.ac.cn/handle/181661/31276
Collection空间光学应用研究室
Corresponding AuthorLiu, Yang
Affiliation1.Xi'An Institute of Optics and Precision Mechanics, CAS, Xi'an; 710119, China;
2.University of CAS, Beijing; 100049, China
Recommended Citation
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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