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题名:
Experimental study on modified linear quadratic Gaussian control for adaptive optics
作者: Fu, Qiang1,2,3,4; Pott, Jorg-Uwe1; Peter, Diethard1; Shen, Feng2,3; Rao, Changhui2,3; Li, Xinyang2,3
刊名: APPLIED OPTICS
出版日期: 2014-03-10
卷号: 53, 期号:8, 页码:1610-1619
文章类型: Article
英文摘要: To achieve high-resolution imaging the standard control algorithm used for classical adaptive optics (AO) is the simple but efficient proportional-integral (PI) controller. The goal is to minimize the rms error of the residual wave front. However, using the PI controller, it is not possible to do this. One possible way to minimize the rms error is to use linear quadratic Gaussian (LQG) control. In practice, however, this control algorithm still encounters an unexpected problem that leads to the divergence of control in AO. This paper proposes a modified LQG (MLQG) to solve this issue. The controller is analyzed explicitly. Laboratory tests shows strong stability and high precision compared to the classical control. (C) 2014 Optical Society of America
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
关键词[WOS]: MINIMUM-VARIANCE CONTROL ; FADING KALMAN FILTER ; CONTROL LAW ; SYSTEMS ; TURBULENCE ; MODEL ; OPTIMIZATION ; VALIDATION
收录类别: SCI
语种: 英语
WOS记录号: WOS:000332837900015
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2477
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.Max Planck Inst Astron, D-69117 Heidelberg, Germany
2.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Sichuan, Peoples R China
3.Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Sichuan, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Fu, Qiang,Pott, Jorg-Uwe,Peter, Diethard,et al. Experimental study on modified linear quadratic Gaussian control for adaptive optics[J]. APPLIED OPTICS,2014,53(8):1610-1619.
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