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Research on design of adaptive connecting mechanisms for the cable-net and panels of FAST
Jiang, Peng1; Li, Qing-Wei; Nan, Ren-Dong
2017-09-01
发表期刊RESEARCH IN ASTRONOMY AND ASTROPHYSICS
卷号17期号:9
摘要The reflector system of the Five-hundred-meter Aperture Spherical radio Telescope (FAST) is designed to incorporate 4450 rigid panels supported by a flexible cable-net structure. The shape-changing operation that occurs in the process of observation will lead to a relative displacement between adjacent nodes in the cable-net. In addition, three nodes on a rigid panel are fixed with respect to each other. Thus, adaptive connecting mechanisms between panels and the cable-net are certainly needed. The present work focuses on the following aspects. Firstly, the degrees of freedom of adaptive connecting mechanisms were designed so that we can not only adapt the panel to the deformation of the cable-net, but also restrict the panel to its right place. Secondly, finite element and theoretical analyses were applied to calculate the scope of motion in adaptive connecting mechanisms during the cable-net's shape-changing operation, thus providing input parameters for the design size of the adaptive connecting mechanisms. In addition, the gap size between the panels is also investigated to solve the trade-off between avoiding panel collisions and increasing the observation efficiency of FAST.
文章类型Article
关键词Telescopes Methods: Analytical Astronomical Instrumentation Methods: Data Analysis Methods And Techniques
WOS标题词Science & Technology ; Physical Sciences
资助者National Natural Science Foundation of China(11303059 ; National Natural Science Foundation of China(11303059 ; Chinese Academy of Sciences Youth Innovation Promotion Association ; Chinese Academy of Sciences Youth Innovation Promotion Association ; CAS ; CAS ; FAST FELLOWSHIP ; FAST FELLOWSHIP ; 11673039) ; 11673039) ; National Natural Science Foundation of China(11303059 ; National Natural Science Foundation of China(11303059 ; Chinese Academy of Sciences Youth Innovation Promotion Association ; Chinese Academy of Sciences Youth Innovation Promotion Association ; CAS ; CAS ; FAST FELLOWSHIP ; FAST FELLOWSHIP ; 11673039) ; 11673039)
DOI10.1088/1674-4527/17/9/99
关键词[WOS]TELESCOPE
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(11303059 ; National Natural Science Foundation of China(11303059 ; Chinese Academy of Sciences Youth Innovation Promotion Association ; Chinese Academy of Sciences Youth Innovation Promotion Association ; CAS ; CAS ; FAST FELLOWSHIP ; FAST FELLOWSHIP ; 11673039) ; 11673039) ; National Natural Science Foundation of China(11303059 ; National Natural Science Foundation of China(11303059 ; Chinese Academy of Sciences Youth Innovation Promotion Association ; Chinese Academy of Sciences Youth Innovation Promotion Association ; CAS ; CAS ; FAST FELLOWSHIP ; FAST FELLOWSHIP ; 11673039) ; 11673039)
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000412778300011
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/20098
专题射电天文研究部
作者单位1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Key Lab Radio Astron, Beijing 100012, Peoples R China
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GB/T 7714
Jiang, Peng,Li, Qing-Wei,Nan, Ren-Dong. Research on design of adaptive connecting mechanisms for the cable-net and panels of FAST[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2017,17(9).
APA Jiang, Peng,Li, Qing-Wei,&Nan, Ren-Dong.(2017).Research on design of adaptive connecting mechanisms for the cable-net and panels of FAST.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,17(9).
MLA Jiang, Peng,et al."Research on design of adaptive connecting mechanisms for the cable-net and panels of FAST".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 17.9(2017).
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