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Acceleration feedback of a CCD-based tracking loop for fast steering mirror
Tang, Tao1,2; Huang, Yongmei1; Fu, Chengyu1; Liu, Shunfa1
Source PublicationOPTICAL ENGINEERING
Volume48Issue:1
2009
Language英语
Indexed BySCI
WOS IDWOS:000264114400004
SubtypeArticle
AbstractIn the control system of a CCD-based tracking loop for a fast steering mirror (FSM), the most effective method often employed to improve pointing performance is to increase high gain of the control system for a high bandwidth, which, however, usually suffers a great deal from a low CCD sampling rate and the mechanics of the FSM. Moreover, the amount of time delay engendered by sampling and data processing can significantly reduce the performance of a closed-loop system. Therefore, a tentative approach to the implementation of a CCD-based tracking control system with acceleration feedback is proposed. In theory, the position open loop is made of double integrators with a high bandwidth of the acceleration feedback loop; in fact, however, the acceleration open loop of the FSM response includes a quadratic differential, and it is very difficult to compensate a quadratic differential with an integral algorithm. To solve this problem, a novel acceleration closed system such as a bandpass filter is proposed. The position is reconstructed into a simple first-order filter instead of a third-order control system. In addition experimental results show that the acceleration feedback proposed here can effectively enhance the bandwidth of the closed-loop system and its trajectory tracking and pointing performance. (C) 2009 Society of Photo-Optical Instrumentation Engineers. [DOI: 10.1117/1.3065500]
KeywordAcceleration Feedback Low Sampling Rate Time Delay Bandpass Fast Steering Mirror
WOS Research AreaOptics
WOS SubjectOptics
Citation statistics
Cited Times:29[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/3266
Collection光电技术研究所被WoS收录文章
Affiliation1.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Tang, Tao,Huang, Yongmei,Fu, Chengyu,et al. Acceleration feedback of a CCD-based tracking loop for fast steering mirror[J]. OPTICAL ENGINEERING,2009,48(1).
APA Tang, Tao,Huang, Yongmei,Fu, Chengyu,&Liu, Shunfa.(2009).Acceleration feedback of a CCD-based tracking loop for fast steering mirror.OPTICAL ENGINEERING,48(1).
MLA Tang, Tao,et al."Acceleration feedback of a CCD-based tracking loop for fast steering mirror".OPTICAL ENGINEERING 48.1(2009).
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