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An open-loop control algorithm of the active reflector system of FAST

文献类型：期刊论文

作者Li, Hui1; Jiang, Peng1
刊名RESEARCH IN ASTRONOMY AND ASTROPHYSICS
出版日期2020-05-01
卷号20期号:5页码:10
关键词Astronomical instrumentation methods and techniques methods data analysis methods numerical
ISSN号1674-4527
DOI10.1088/1674-4527/20/5/65
英文摘要An open-loop control algorithm is put forward for continuous paraboloid deformation of the active reflector system of the Five-hundred-meter Aperture Spherical radio Telescope (FAST). The method is based on a calibration database and interpolation in 2D spatial domain and temperature domain, respectively. It is completely independent of real-time measurement of cable nodes so that it has advantage of working all-weather and no additional electro-magnetic interference (EMI). Furthermore, its control accuracy can be effectively improved via reasonable layout of the calibrated paraboloids and increasing calibration accuracy. Meanwhile deformation safety is considered via calibration as well. Finally its control accuracy is also confirmed via site measurements of paraboloid deformations.
资助项目National Natural Science Foundation of China[11573044] ; West Light Foundation of Chinese Academy of Sciences ; Open Project Program of the Key Laboratory of FAST, NAOC, Chinese Academy of Sciences
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000536708100001
出版者NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; West Light Foundation of Chinese Academy of Sciences ; West Light Foundation of Chinese Academy of Sciences ; Open Project Program of the Key Laboratory of FAST, NAOC, Chinese Academy of Sciences ; Open Project Program of the Key Laboratory of FAST, NAOC, Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; West Light Foundation of Chinese Academy of Sciences ; West Light Foundation of Chinese Academy of Sciences ; Open Project Program of the Key Laboratory of FAST, NAOC, Chinese Academy of Sciences ; Open Project Program of the Key Laboratory of FAST, NAOC, Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; West Light Foundation of Chinese Academy of Sciences ; West Light Foundation of Chinese Academy of Sciences ; Open Project Program of the Key Laboratory of FAST, NAOC, Chinese Academy of Sciences ; Open Project Program of the Key Laboratory of FAST, NAOC, Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; West Light Foundation of Chinese Academy of Sciences ; West Light Foundation of Chinese Academy of Sciences ; Open Project Program of the Key Laboratory of FAST, NAOC, Chinese Academy of Sciences ; Open Project Program of the Key Laboratory of FAST, NAOC, Chinese Academy of Sciences
源URL[http://ir.bao.ac.cn/handle/114a11/54720]  
专题中国科学院国家天文台
通讯作者Li, Hui
作者单位1.Chinese Acad Sci, Natl Astron Observ, Beijing 100101, Peoples R China
2.Chinese Acad Sci, CAS Key Lab FAST, Natl Astron Observ, Beijing 100101, Peoples R China
推荐引用方式
GB/T 7714		 Li, Hui,Jiang, Peng. An open-loop control algorithm of the active reflector system of FAST[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2020,20(5):10.
APA Li, Hui,&Jiang, Peng.(2020).An open-loop control algorithm of the active reflector system of FAST.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,20(5),10.
MLA Li, Hui,et al."An open-loop control algorithm of the active reflector system of FAST".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 20.5(2020):10.

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来源：国家天文台

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