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题名:
Iterative Learning Control with Extended State Observer for Telescope System
作者: Cai, Huaxiang1,2,3; Huang, Yongmei1,2; Du, Junfeng1,2; Tang, Tao1,2; Zuo, Dan1,2,3; Li, Jinying1,2
刊名: MATHEMATICAL PROBLEMS IN ENGINEERING
出版日期: 2015
DOI: 10.1155/2015/701510
文章类型: Article
英文摘要: An Iterative Learning Control (ILC) method with Extended State Observer (ESO) is proposed to enhance the tracking precision of telescope. Telescope systems usually suffer some uncertain nonlinear disturbances, such as nonlinear friction and unknown disturbances. Thereby, to ensure the tracking precision, the ESO which can estimate system states (including parts of uncertain nonlinear disturbances) is introduced. The nonlinear system is converted to an approximate linear system by making use of the ESO. Besides, to make further improvement on the tracking precision, we make use of the ILC method which can find an ideal control signal by the process of iterative learning. Furthermore, this control method theoretically guarantees a prescribed tracking performance and final tracking accuracy. Finally, a few comparative experimental results show that the proposed control method has excellent performance for reducing the tracking error of telescope system.
WOS标题词: Science & Technology ; Technology ; Physical Sciences
类目[WOS]: Engineering, Multidisciplinary ; Mathematics, Interdisciplinary Applications
研究领域[WOS]: Engineering ; Mathematics
关键词[WOS]: DISTURBANCE REJECTION CONTROL ; ROBOT MANIPULATORS ; CONTROL ALGORITHM ; ADAPTIVE-CONTROL ; HARMONIC DRIVE ; ROBUST-CONTROL ; TRACKING ; MOTORS ; MODE
收录类别: SCI
语种: 英语
WOS记录号: WOS:000363581600001
ISSN号: 1024-123X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3756
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 100039, Peoples R China

Recommended Citation:
Cai, Huaxiang,Huang, Yongmei,Du, Junfeng,et al. Iterative Learning Control with Extended State Observer for Telescope System[J]. MATHEMATICAL PROBLEMS IN ENGINEERING,2015.
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