Research on design of adaptive connecting mechanisms for the cable-net and panels of FAST

doi:10.1088/1674-4527/17/9/99

	Research on design of adaptive connecting mechanisms for the cable-net and panels of FAST
	Nan, Ren-Dong; Jiang, Peng 2; Li, Qing-Wei
刊名	RESEARCH IN ASTRONOMY AND ASTROPHYSICS
	2017-09-01
卷号	17 期号:9
关键词	Telescopes Methods: Analytical Astronomical Instrumentation Methods: Data Analysis Methods And Techniques
DOI	10.1088/1674-4527/17/9/99
文献子类	Article
英文摘要	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.
WOS关键词	TELESCOPE
WOS研究方向	Astronomy & Astrophysics
语种	英语
WOS记录号	WOS:000412778300011
资助机构	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)
内容类型	期刊论文
源URL	[http://ir.bao.ac.cn/handle/114a11/20098]
专题	国家天文台_射电天文研究部
作者单位	1.Key Lab Radio Astron, Beijing 100012, Peoples R China 2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
推荐引用方式 GB/T 7714	Nan, Ren-Dong,Jiang, Peng,Li, Qing-Wei. 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	Nan, Ren-Dong,Jiang, Peng,&Li, Qing-Wei.(2017).Research on design of adaptive connecting mechanisms for the cable-net and panels of FAST.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,17(9).
MLA	Nan, Ren-Dong,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).