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  5. Analysis and Design of Segment Control System in Segmented Primary Mirror

Analysis and Design of Segment Control System in Segmented Primary Mirror

来源 :2016年第二届光子学与光学工程国际会议暨第八届西部光子学会议 | 被引量 : 0次 | 上传用户：gzbfy
【摘 要】
：
Segmented primary mirror is adopted widely in giant telescopes in future,such as TMT,E-ELT and GMT.Highperformance control technology of the segmented primary mirror is one of the difficult technologi
【作 者】
：
W.Yu 
【机 构】
：
Chinese Academy of Sciences China
【出 处】
：
2016年第二届光子学与光学工程国际会议暨第八届西部光子学会议
【发表日期】
：
2016年5期
【关键词】
：
active optics segmented mirror suppressing resonance control bandwidth 
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　　Segmented primary mirror is adopted widely in giant telescopes in future,such as TMT,E-ELT and GMT.Highperformance control technology of the segmented primary mirror is one of the difficult technologies for telescopes using segmented primary mirror.The control of each segment control 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.
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