A wavefront control method based on active disturbance rejection control technology

被引：1
|
作者：
Kong, Lingxi [1 ,2 ,3 ]
Cheng, Tao [1 ,2 ]
Yang, Ping [1 ,2 ]
Wang, Shuai [1 ,2 ]
机构：
[1] Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China
[2] Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
SIXTH SYMPOSIUM ON NOVEL OPTOELECTRONIC DETECTION TECHNOLOGY AND APPLICATIONS | 2020年 / 11455卷
关键词：
Adaptive Optics System; Time-delay; Active Disturbance Rejection Control; Smith predictor;
D O I：
10.1117/12.2565365
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The Time-delay(TD) is a crucial component to affect the controlling bandwidth of adaptive optics system. For the purpose of improving the system bandwidth, the traditional processing methodology is exploiting the Smith predictor to compensate the time-delay in adaptive optics system. However, the compensation performance of Smith predictor depends on the accuracy of system model. When the parameter of time-delay mutated, the stability of system cannot be guaranteed. In order to implement the time-delay compensation and stability of controlling system in mutating condition, this paper propose a ADRC-Smith controller, which combined Smith predictor with active disturbance rejection control(ADRC) technology. Compared with the PI-Smith algorithm, the simulation results present that the ADRC-Smith Algorithm expand the fluctuation boundary of time-delay by 5 times, and still ensure the stability of system.
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页数：7
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