Back Frame Section Size Optimization of Large Aperture Telescope

doi:10.11916/j.issn.1005-9113.22012

XAO OpenIR > 射电天文研究室 > 天线技术实验室

	Back Frame Section Size Optimization of Large Aperture Telescope
	Wu, Qinglong 1; Yao, Zhan 1; Wu, Tanhui 1; Hou, Yangqing 1; Zhang, Huazhen 1; Xu, Qian2 ; Wang, Na2
	2023-04-01
Source Publication	Journal of Harbin Institute of Technology (New Series)
ISSN	1005-9113
Volume	30 Issue:4 Pages:76-84
Contribution Rank	2
Abstract	The back frame structure of a large radio telescope is an important component supporting the reflecting surface, which is directly related to the surface precision. Its optimal design is of key significance for ensuring the surface precision and reducing structural weight. Two methods are constructed to optimize the cross⁃section size of the telescope back frame in this paper, the criterion method and the first⁃order optimization method. The criterion method is based on the Lagrangian multiplier method and Kuhn⁃Tucker condition. This method first establishes the mathematical model by taking the inner and outer radiuses of the back frame beams as the design variables, the structural weight as the constraint condition, and the structural compliance as the objective function, then derives the optimization criterion. The first⁃order optimization method takes the inner and outer radiuses of the beams as the design variables, the back frame RMS as the objective function, and the structural weight as the constraint condition. Comparison of RMS, structural stress uniformity and optimization efficiency shows that both algorithms can effectively reduce structural deformation and improve RMS, but the criterion method has relatively better result than the first⁃order method.
Keyword	radio telescope back frame size optimization RMS criterion method first⁃order method
DOI	10.11916/j.issn.1005-9113.22012
Indexed By	其他
Language	英语
Citation statistics
Document Type	期刊论文
Identifier	http://ir.xao.ac.cn/handle/45760611-7/6652
Collection	射电天文研究室_天线技术实验室 110米口径全可动射电望远镜（QTT）_技术成果射电天文研究室_脉冲星研究团组
Corresponding Author	Wu, Qinglong
Affiliation	1.Shanghai YueSheng Information Technology Co, Ltd., Shanghai 201109, China; 2.Xinjiang Astronomical Observatory, Chinese Academy of Sciences, Urumqi 830011, China
Recommended Citation GB/T 7714	Wu, Qinglong,Yao, Zhan,Wu, Tanhui,et al. Back Frame Section Size Optimization of Large Aperture Telescope[J]. Journal of Harbin Institute of Technology (New Series),2023,30(4):76-84.
APA	Wu, Qinglong.,Yao, Zhan.,Wu, Tanhui.,Hou, Yangqing.,Zhang, Huazhen.,...&Wang, Na.(2023).Back Frame Section Size Optimization of Large Aperture Telescope.Journal of Harbin Institute of Technology (New Series),30(4),76-84.
MLA	Wu, Qinglong,et al."Back Frame Section Size Optimization of Large Aperture Telescope".Journal of Harbin Institute of Technology (New Series) 30.4(2023):76-84.

Files in This Item:
File Name/Size	DocType	Version	Access	License
Wu-2023-Back Frame S（15233KB）	期刊论文	出版稿	开放获取	CC BY-NC-SA	View Application Full Text

File name:	Wu-2023-Back Frame Section Size Optimization o.pdf
Format:	Adobe PDF

If you have any objections to this item, please fill out the form below and the administrator will contact you as soon as possible.
Content:
Email：	*
Institution:
Verification Code:	Refresh

Any comments and suggestions are welcomed.
Title:	*
Content:
Email：	*
Verification Code:	Refresh

射电天文研究室知识库