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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
Source PublicationApplied Optics
Volume53Issue:8Pages:1610-1619
2014
Language英语
ISSN1559-128X
DOI10.1364/AO.53.001610
Indexed BySCI ; Ei
WOS IDWOS:000332837900015
Subtype期刊论文
AbstractTo 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.; 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.
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/6374
Collection自适应光学技术研究室(八室)
Corresponding AuthorFu, Qiang
Affiliation1. 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
Recommended Citation
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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