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Star image tracking control system in the Lower Latitude Meridian Circle (LLMC)
Yang L(杨磊)1; Li BH(李彬华)1,2; Mao W(冒蔚)1; Tie QX(铁琼仙)1
Source PublicationPROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE) - ADVANCED TELESCOPE AND INSTRUMENTATION CONTROL SOFTWARE II
2002
Volume4848
Pages368-375
DOI10.1117/12.461015
Author of SourceLewis, H
Contribution Rank第1完成单位
Indexed ByEI ; CPCI
Conference NameConference on Advanced Telescope and Instrumentation Control Software II
Conference Date2002-08-27
Conference PlaceWAIKOLOA, HI, United states
KeywordTracking Control System Llmc Astrometry
Abstract

Star image tracking in the LLMC is composed of two direction movements, that is, a horizontal tracking of the CCD chip (camera) and a vertical tracking of the telescope tube in the zenith distance. Based on an idea that the two tracking control systems should be incorporate. A new hardware structure of tracking control system in the LLMC is presented in this paper. The system can simultaneously output two gates of motor driving pulses, one for the CCD tracking in horizontal direction and another for the tube tracking in vertical direction or for the slow motion placement of the tube in vertical direction. Experiments indicate that the driving pulses output from the new system can be controlled more easily than those from old systems in software mode and its frequency can be higher. The programming methods for the ASM control program in the micro-controller system and for the C++ control program in the host PC are described. Some primary results and experiences from the experiments are also presented in the last.

Funding OrganizationN/A
Language英语
Subject Area天文学 ; 天文学其他学科 ; 电子、通信与自动控制技术 ; 计算机科学技术
MOST Discipline Catalogue理学 ; 理学::天文学 ; 工学 ; 工学::电子科学与技术(可授工学、理学学位) ; 工学::控制科学与工程 ; 工学::计算机科学与技术(可授工学、理学学位)
SubtypeProceedings Paper
PublisherSPIE-INT SOC OPTICAL ENGINEERING
Publication Place1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
ISBN0-8194-4627-0
ISSN0277-786X
URL查看原文
Archive Date2003-10-27
WOS IDWOS:000180380600036
WOS Research AreaAutomation & Control Systems ; Computer Science ; Instruments & Instrumentation
WOS SubjectAutomation & Control Systems ; Computer Science, Software Engineering ; Instruments & Instrumentation
EI Accession Number2003097371779
EI KeywordsTelescopes
EI Classification Number657.2extraterrestrial Physics And Stellar Phenomena - 714.2semiconductor Devices And Integrated Circuits - 722.4digital Computers And Systems - 723.1.1computer Programming Languages - 731.1control Systems - 741.3optical Devices And Systems
Citation statistics
Document Type会议论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6738
Collection天体测量及应用研究组
Corresponding AuthorYang L(杨磊)
Affiliation1.Yunnan Observatory, Chinese Academy of Sciences, Kunming, China
2.Kunming University of Science and Technology, Kunming, China
Recommended Citation
GB/T 7714
Yang L,Li BH,Mao W,et al. Star image tracking control system in the Lower Latitude Meridian Circle (LLMC)[C]//Lewis, H. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA:SPIE-INT SOC OPTICAL ENGINEERING,2002:368-375.
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