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Alternative TitleEffects of In-Plane Displacement on Primary Mirror Control of Chinese Giant Solar Telescope
郭泰1,4,5; 戴懿纯1,4; 许方宇1,2,4; 罗永芳3; 陈骥3; 金振宇1,2,4
Source Publication光学学报(Acta Optica Sinica)
Contribution Rank第1完成单位
Indexed ByEI ; CSCD ; 核心
Keyword主动光学 中国巨型太阳望远镜 拼接镜面 系统建模


Other Abstract

Against 8m Ring Solar Telescope, major project of Chinese Giant Solar Telescope, firstly, this paper is establishing a model of the edge sensor and optical sensor response in segments displacement, analyzing the segments in-plane displacement impact on the original primary mirror control strategy. Considering steel truss of the telescope, the segments' displacement due to motion of zenith angle and undulating of temperature makes an abnormal primary mirror. Thus, improving the primary mirror control strategy is proposed. The advanced primery mirror control strategy of 8 meter Ring Interferometric Telescope includes edge sensor attached detectability of gap, adding shear sensor among the edge of neighbor segments, estimating height discontinuities and tip-tilt reading of optical sensor by using sensitivity of gap and shear, and keeping the edge sensor reading and optical sensor reading in estimated reading. Finally, it figures out that the detection accuracy of the gap and shear less than 23nm makes advanced control strategy meeting design specification of Chinese Giant Solar Telescope.

Funding Project国家自然科学基金[11573068] ; 国家自然科学基金[11303090] ; 国家自然科学基金[U1431122]
Funding Organization国家自然科学基金[11573068, 11303090, U1431122]
Subject Area物理学 ; 光学 ; 天文学 ; 天文学其他学科 ; 电子、通信与自动控制技术
MOST Discipline Catalogue理学 ; 理学::物理学 ; 理学::天文学 ; 工学 ; 工学::控制科学与工程
SubtypeJournal article (JA)
PublisherChinese Optical Society
EI Accession Number20181104894308
EI KeywordsTelescopes
EI Classification Number741.1Light/Optics - 741.3Optical Devices and Systems
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Author许方宇
Affiliation1.中国科学院云南天文台, 云南, 昆明 ,650216
2.云南省应用天文技术工程实验室,云南, 昆明, 650216
3.云南北方驰宏光电有限公司,云南, 昆明, 650217
4.中国科学院天文大科学研究中心,北京, 100012
5.中国科学院大学,北京 ,100049
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
郭泰,戴懿纯,许方宇,等. 子镜面内位移对中国巨型太阳望远镜主镜控制的影响[J]. 光学学报(Acta Optica Sinica),2017,37(12):321-330.
APA 郭泰,戴懿纯,许方宇,罗永芳,陈骥,&金振宇.(2017).子镜面内位移对中国巨型太阳望远镜主镜控制的影响.光学学报(Acta Optica Sinica),37(12),321-330.
MLA 郭泰,et al."子镜面内位移对中国巨型太阳望远镜主镜控制的影响".光学学报(Acta Optica Sinica) 37.12(2017):321-330.
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