Analysis and design of segment control system in segmented primary mirror

CORC > 光电技术研究所 > 中国科学院光电技术研究所 > 自适应光学技术研究室（八室）

	Analysis and design of segment control system in segmented primary mirror
	Yu, Wenhao 1,2,3; Li, Bin 1,2,3; Chen, Mo 1,2,3; Xian, Hao 1,2
	2017
关键词	Bandwidth - Bode diagrams - Control systems - Earth (planet) - Mirrors - Telescopes
卷号	10463
页码	104631T
英文摘要	Segmented primary mirror will be adopted widely in giant telescopes in future, such as TMT, E-ELT and GMT. High-performance control technology of the segmented primary mirror is one of the difficult technologies for telescopes using segmented primary mirror. The control of each segment is the basis of control system in segmented mirror. Correcting the tilt and tip of single segment is the main work of this paper which is divided into two parts. Firstly, harmonic response done in finite element model of single segment matches the Bode diagram of a two-order system whose natural frequency is 45 hertz and damping ratio is 0.005. Secondly, a control system model is established, and speed feedback is introduced in control loop to suppress resonance point gain and increase the open-loop bandwidth, up to 30Hz or even higher. Corresponding controller is designed based on the control system model described above. © 2017 SPIE.
会议录	0277-786X
语种	英语
内容类型	会议论文
源URL	[http://ir.ioe.ac.cn/handle/181551/9026]
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.Key Laboratory of Adaptive Optics, Chinese Academy of Sciences, Chengdu; 610209, China; 2.Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu; 610209, China; 3.University of Chinese, Academy of Sciences, Beijing; 100039, China
推荐引用方式 GB/T 7714	Yu, Wenhao,Li, Bin,Chen, Mo,et al. Analysis and design of segment control system in segmented primary mirror[C]. 见:.