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Department自适应光学技术研究室(八室)
Study on a new floatation support algorithm based on a 1.2 m thin primary mirror
Dai, Xiaolin1,2,3; Xian, Hao2; Tang, Jinlong2; Zhang, Xuejun2; Zhang, Yudong2
Source PublicationJournal of Optical Technology (A Translation of Opticheskii Zhurnal)
Volume85Issue:9Pages:551-558
2018-09-01
Language英语
ISSN1070-9762
DOI10.1364/JOT.85.000551
Indexed ByEi
EI Accession Number20184005895054
SubtypeJ
AbstractFloatation support is often used to eliminate the extra interaction forces of a large primary mirror's fixed points during the mirror's active correction in order to maintain the mirror's position in the cell. This paper introduces the principle of floatation support as well as its three force distribution algorithms. A new floatation support algorithm is proposed that directly utilizes the image of the mirror surface instead of the fixed-point feedback interaction forces to calculate the adjusting forces of the actuators. Simulations are conducted on a 1.2 m thin primary mirror to verify and compare the performances of all the algorithms. The results show that the new algorithm is as effective as the best traditional algorithm-it reduces the residual root mean square of the mirror surface to less than 3.5 nm. A performance study of this new algorithm shows that it is more sensitive to the fixed point's position deviation and the Shack-Hartmann detection error than the force-based algorithm, but, because it does not need force sensors to feed back the interaction forces, it is more helpful in simplifying the hardware requirements of floatation support. © 2018 Optical Society of America.
KeywordEngineering Molecular physics
EI KeywordsEngineering ; Molecular physics
EI Classification Number741.3 Optical Devices and Systems ; 931.3 Atomic and Molecular Physics
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/9302
Collection自适应光学技术研究室(八室)
Affiliation1.38th Research Institute of China Electronics Technology Group Corporation, 199 Xiangzhang Avenue, Hefei, China;
2.Institute of Optics and Electronics, Chinese Academy of Sciences, 1 Xihanggang Avenue, Chengdu, China;
3.University of Chinese Academy of Sciences, Beijing, China
Recommended Citation
GB/T 7714
Dai, Xiaolin,Xian, Hao,Tang, Jinlong,et al. Study on a new floatation support algorithm based on a 1.2 m thin primary mirror[J]. Journal of Optical Technology (A Translation of Opticheskii Zhurnal),2018,85(9):551-558.
APA Dai, Xiaolin,Xian, Hao,Tang, Jinlong,Zhang, Xuejun,&Zhang, Yudong.(2018).Study on a new floatation support algorithm based on a 1.2 m thin primary mirror.Journal of Optical Technology (A Translation of Opticheskii Zhurnal),85(9),551-558.
MLA Dai, Xiaolin,et al."Study on a new floatation support algorithm based on a 1.2 m thin primary mirror".Journal of Optical Technology (A Translation of Opticheskii Zhurnal) 85.9(2018):551-558.
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