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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, Jörg-Uwe1; Peter, Diethard1; Shen, Feng2,3; Rao, Changhui2,3; Li, Xinyang2,3
刊名: Applied Optics
出版日期: 2014
卷号: 53, 期号:8, 页码:1610-1619
学科分类: Algorithms - Controllers - Image reconstruction - Robustness (control systems) - Two term control systems - Wavefronts
DOI: 10.1364/AO.53.001610
通讯作者: Fu, Qiang
文章类型: 期刊论文
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.
收录类别: SCI ; Ei
项目资助者: MPG-CAS ; German Federal Ministry of Education and Research (BMBF) [05A11VS2]
语种: 英语
WOS记录号: WOS:000332837900015
ISSN号: 1559-128X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6374
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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

Recommended Citation:
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.
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