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	Experimental study on modified linear quadratic Gaussian control for adaptive optics
	Fu, Qiang1,2,3,4; Pott, Jörg-Uwe1; Peter, Diethard1; Shen, Feng2,3; Rao, Changhui2,3; Li, Xinyang2,3
刊名	Applied Optics
	2014
卷号	53期号:8页码:1610-1619
ISSN号	1559-128X
通讯作者	Fu, Qiang
中文摘要	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. © 2014 Optical Society of America.
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. © 2014 Optical Society of America.
学科主题	Algorithms - Controllers - Image reconstruction - Robustness (control systems) - Two term control systems - Wavefronts
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:000332837900015
内容类型	期刊论文
源URL	[http://ir.ioe.ac.cn/handle/181551/6374]
专题	光电技术研究所_自适应光学技术研究室（八室）
作者单位	1.Max-Planck-Institut für Astronomie, Königstuhl 17, Heidelberg, Germany 2.Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, Sichuan, China 3.Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu, Sichuan, China 4.University of Chinese Academy of Sciences, Beijing, China
推荐引用方式 GB/T 7714	Fu, Qiang,Pott, Jörg-Uwe,Peter, Diethard,et al. Experimental study on modified linear quadratic Gaussian control for adaptive optics[J]. Applied Optics,2014,53(8):1610-1619.
APA	Fu, Qiang,Pott, Jörg-Uwe,Peter, Diethard,Shen, Feng,Rao, Changhui,&Li, Xinyang.(2014).Experimental study on modified linear quadratic Gaussian control for adaptive optics.Applied Optics,53(8),1610-1619.
MLA	Fu, Qiang,et al."Experimental study on modified linear quadratic Gaussian control for adaptive optics".Applied Optics 53.8(2014):1610-1619.

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