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题名:
Acceleration feedback control (AFC) enhanced by disturbance observation and compensation (DOC) for high precision tracking in telescope systems
作者: Wang, Qiang1,2; Cai, Hua-Xiang1,2,3; Huang, Yong-Mei1; Ge, Liang4; Tang, Tao1,2; Su, Yan-Rui1,2,3; Liu, Xiang1,2; Li, Jin-Ying1,2; He, Dong1,2; Du, Sheng-Ping1,2; Ling, Yu1,2
刊名: RESEARCH IN ASTRONOMY AND ASTROPHYSICS
出版日期: 2016-08-01
卷号: 16, 期号:8, 页码:124-U60
关键词: telescopes ; instrumentation: control method ; instrumentation miscellaneous: high angular resolution ; instrumentation: detector ; control software
DOI: 10.1088/1674-4527/16/8/124
文章类型: Article
英文摘要: In this paper, a cascade acceleration feedback control (AFC) enhanced by a disturbance observation and compensation (DOC) method is proposed to improve the tracking precision of telescope systems. Telescope systems usually suffer some uncertain disturbances, such as wind load, nonlinear friction and other unknown disturbances. To ensure tracking precision, an acceleration feedback loop which can increase the stiffness of such a system is introduced. Moreover, to further improve the tracking precision, we introduce the DOC method which can accurately estimate the disturbance and compensate it. Furthermore, the analysis of tracking accuracy used by this method is proposed. Finally, a few comparative experimental results show that the proposed control method has excellent performance for reducing the tracking error of a telescope system.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: COMMUNICATION ; OBSERVER ; DESIGN ; MODEL
收录类别: SCI
项目资助者: Quantum Communication Project, one of the Strategic Pilot Projects, Chinese Academy of Sciences
语种: 英语
WOS记录号: WOS:000381832700007
ISSN号: 1674-4527
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6473
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Key Lab Opt Engn, Chengdu 610209, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Natl Astron Observ, Key Lab Opt Astron, Beijing 100012, Peoples R China

Recommended Citation:
Wang, Qiang,Cai, Hua-Xiang,Huang, Yong-Mei,et al. Acceleration feedback control (AFC) enhanced by disturbance observation and compensation (DOC) for high precision tracking in telescope systems[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2016,16(8):124-U60.
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