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Alternative TitleResearchonadjustment method of the active segment in a two-mirror active optics system
姜治渝1; 陆金娴1; 杨德华1; 吴常铖1; 金振宇2
Source Publication天文研究与技术(Astronomical Research & Technology)
Contribution Rank第2完成单位
Indexed ByCSCD
Keyword拼接镜面主动光学 传感器 位姿检测 主动控制

建立一个两镜系统用于模拟拼接镜面中各子镜面的相对位姿关系。提出采用相邻子镜边缘安装边缘传感器和设置倾斜传感器相结合的方法对子镜倾斜(tip/tilt)及轴向平移(piston)三自由度进行检测的位姿检测方法。采用理论控制矩阵和实测控制矩阵进行主动校正实验,实验表明:理论控制矩阵校正时,边缘传感器均方根误差不大于7.3 nm,倾斜均方根误差不大于0.076″,实测控制矩阵校正时,边缘传感器均方根误差不大于7.4 nm,倾斜均方根误差不大于0.080″。本文工作可为环型拼接主动光学子镜间相对位置自由度探测不足的问题提供参考解决途径。 

Other Abstract

A two-mirror active optics system is established to simulate the relative pose relationship between the both segments. A pose detection method is proposed to detect the three Degrees of Freedom (DOFs), tip/tilt and piston, of the active segment. It is a combination method of two edge sensors and a laser-CCD based tilt sensor. The theoretical control matrix and the measured control matrix are used to carry out active calibration experiments. The experiment shows that the maximum Root Mean Square (RMS) error of the edge sensors is about 7.3 nm and the tilt about 0.076ʺ when the theoretical control matrix is used. While the measured control matrix is used, the edge sensor’s RMS error is about 7.4 nm, and the tilt about 0.080ʺ. The research offers a potential solution to the problem of insufficient detection of the DOFs between the mirrors segmentedin a ring.

Funding Project国家自然科学天文联合基金[U1531110] ; 国家自然科学基金[11573068]
Funding Organization国家自然科学天文联合基金[U1531110] ; 国家自然科学基金[11573068]
Subject Area物理学 ; 光学 ; 天文学 ; 天文学其他学科
MOST Discipline Catalogue理学::天文学
Citation statistics
Document Type期刊论文
Corresponding Author杨德华; 金振宇
Affiliation1.南京航空航天大学自动化学院, 江苏, 南京, 211106
2.中国科学院云南天文台, 云南, 昆明, 650011
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
姜治渝,陆金娴,杨德华,等. 两镜拼接主动光学子镜位姿调整方法研究[J]. 天文研究与技术(Astronomical Research & Technology),2020.
APA 姜治渝,陆金娴,杨德华,吴常铖,&金振宇.(2020).两镜拼接主动光学子镜位姿调整方法研究.天文研究与技术(Astronomical Research & Technology).
MLA 姜治渝,et al."两镜拼接主动光学子镜位姿调整方法研究".天文研究与技术(Astronomical Research & Technology) (2020).
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