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Plug-in module acceleration feedback control for fast steering mirror-based beam stabilization systems
Deng, Chao1,2,3; Ren, Wei1,2,3; Mao, Yao1,2; Ren, Ge1,2
2017
发表期刊Optical Engineering
ISSN0091-3286
卷号56期号:8页码:084105
摘要A plug-in module acceleration feedback control (Plug-In AFC) strategy based on the disturbance observer (DOB) principle is proposed for charge-coupled device (CCD)-based fast steering mirror (FSM) stabilization systems. In classical FSM tracking systems, dual-loop control (DLC), including velocity feedback and position feedback, is usually utilized to enhance the closed-loop performance. Due to the mechanical resonance of the system and CCD time delay, the closed-loop bandwidth is severely restricted. To solve this problem, cascade acceleration feedback control (AFC), which is a kind of high-precision robust control method, is introduced to strengthen the disturbance rejection property. However, in practical applications, it is difficult to realize an integral algorithm in an acceleration controller to compensate for the quadratic differential contained in the FSM acceleration model, resulting in a challenging controller design and a limited improvement. To optimize the acceleration feedback framework in the FSM system, different from the cascade AFC, the accelerometers are used to construct DOB to compensate for the platform vibrations directly. The acceleration nested loop can be plugged into the velocity loop without changing the system stability, and the controller design is quite simple. A series of comparative experimental results demonstrate that the disturbance rejection property of the CCD-based FSM can be effectively improved by the proposed approach. © 2017 Society of Photo-Optical Instrumentation Engineers (SPIE).
关键词Acceleration - Acceleration control - Charge coupled devices - Closed loop control systems - Controllers - Delay control systems - Disturbance rejection - Feedback control - Mirrors - Robust control - Stabilization - System stability - Time delay
收录类别Ei
语种英语
文献类型期刊论文
条目标识符http://ir.ioe.ac.cn/handle/181551/8848
专题光电工程总体研究室(一室)
作者单位1.Chinese Academy of Sciences, Key Laboratory of Optical Engineering, Chengdu, China;
2.Chinese Academy of Science, Institute of Optics and Electronics, Chengdu, China;
3.University of Chinese Academy of Science, Beijing, China
推荐引用方式
GB/T 7714
Deng, Chao,Ren, Wei,Mao, Yao,et al. Plug-in module acceleration feedback control for fast steering mirror-based beam stabilization systems[J]. Optical Engineering,2017,56(8):084105.
APA Deng, Chao,Ren, Wei,Mao, Yao,&Ren, Ge.(2017).Plug-in module acceleration feedback control for fast steering mirror-based beam stabilization systems.Optical Engineering,56(8),084105.
MLA Deng, Chao,et al."Plug-in module acceleration feedback control for fast steering mirror-based beam stabilization systems".Optical Engineering 56.8(2017):084105.
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