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Simulation for the Active Reflector of FAST 30m Model
Guo, Yongwei1,2; Wang, QM1; Nan, RD1
会议录名称PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE) - ADVANCED OPTICAL AND MECHANICAL TECHNOLOGIES IN TELESCOPES AND INSTRUMENTATION, PTS 1-3
2008
卷号7018
页码1849-1849
DOI10.1117/12.790541
会议录编者/会议主办者Atad-Ettedgui, E; Lemke, D
产权排序第2完成单位
收录类别EI ; CPCI
会议名称International Conference on Advanced Optical and Mechanical Technologies in Telescopes and Instrumentation
会议日期2008-06-23
会议地点Marseille, FRANCE
会议赞助商SPIE; SPIE Europe
关键词Large Radio Telescope Active Reflector Simulation Parallel Mechanism Array Motion Coupling
摘要

The reflector of FAST (Five-hundred-meter Aperture Sphere Telescope) is a net mesh Structure and can be considered as a flexible parallel motion mechanism array which can form the varying paraboloid Surface by controlling the motion of the net mesh nodes. As a parallel mechanism, the motion of the nodes are coupled together. In order to release the Coupling, or to estimate the Surface error of the reflector, the motion of FAST 30m Model was simulated combined with ADAMS and SIMULINK. The net mesh mechanisin was modeled as springs and spheres with mass in ADAMS software. To control the large amount of actuators, and to analyze the motion of the net mesh motion mechanism, a control model in SIMULINK has been built, Which includes astronomical plan, actuator controlling and surface analysis. Thee model can be used as the test tool of the actuator control strategy and optimization for the net mesh structure. With the combined simulation. the amount Of the couple phenomenon is estimated precisely. The paraboloid shape forming and moving in thee observing course is simulated, and the variation of the surface error of the reflector and the forces of each cable are given. By the simulation, it can be concluded that the Couple effect is small in the FAST 30m Model, and such a method can be applied to the FAST prototype.

项目资助者N/A
语种英语
学科领域物理学 ; 光学 ; 天文学 ; 天体物理学 ; 天文学其他学科
学科门类理学 ; 理学::物理学 ; 理学::天文学
文章类型Proceedings Paper
出版者SPIE-INT SOC OPTICAL ENGINEERING
出版地1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
ISBN号978-0-8194-7228-1
ISSN号0277-786X
URL查看原文
WOS记录号WOS:000259919200134
WOS研究方向Engineering ; Astronomy & Astrophysics ; Optics ; Physics
WOS类目Engineering, Aerospace ; Astronomy & Astrophysics ; Optics ; Physics, Applied
EI入藏号20084711729585
EI主题词Parabolic Antennas
EI分类号601.3mechanisms - 723.5computer Applications - 732.1control Equipment - 951materials Science
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/4324
专题其他
通讯作者Guo, Yongwei
作者单位1.National Astronomical Observatories of CAS, Beijing, 100012, China
2.Yunnan Astronomical Observatory of CAS, Kunming, 650011, China
第一作者单位中国科学院云南天文台
通讯作者单位中国科学院云南天文台
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Guo, Yongwei,Wang, QM,Nan, RD. Simulation for the Active Reflector of FAST 30m Model[C]//Atad-Ettedgui, E; Lemke, D. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA:SPIE-INT SOC OPTICAL ENGINEERING,2008:1849-1849.
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