Volume 13 Issue 6
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Chinese Optics  > 2020  >  13(6): 1194-1208.
FAN Wen-qiang, WANG Zhi-chen, CHEN Bao-gang, LI Hong-wen, CHEN Tao, AN Qi-chang, FAN Lei. Review of the active control technology of large aperture ground telescopes with segmented mirrors[J]. Chinese Optics, 2020, 13(6): 1194-1208. doi: 10.37188/CO.2020-0032
Citation: FAN Wen-qiang, WANG Zhi-chen, CHEN Bao-gang, LI Hong-wen, CHEN Tao, AN Qi-chang, FAN Lei. Review of the active control technology of large aperture ground telescopes with segmented mirrors[J]. Chinese Optics, 2020, 13(6): 1194-1208. doi: 10.37188/CO.2020-0032
shu

Review of the active control technology of large aperture ground telescopes with segmented mirrors

  • Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

Funds:  Supported by Youth Innovation Promotion Association of Chinese Academy of Sciences (No. 2020221), Bethune Medical Engineering and Instrument Center Foundation (No. BQEGCZX2019042), National Natural Science Foundation of China (No. 11703026, No. 11803034)
More Information
  • Corresponding author: anjj@mail.ustc.edu.cn
  • Received Date: 02 Mar 2020
  • Rev Recd Date: 24 Apr 2020
    • Available Online: 15 Oct 2020
  • Publish Date: 01 Dec 2020
    Abstract
  • Segmented mirror technology is one of the three ways to realize optical synthetic aperture telescope, and it is an important area of development for future large aperture telescopes. A telescope’s active control system of its segmented mirrors directly determines its large aperture mirror’s optical performance. This paper focuses on the active control technology of large aperture ground telescopes with segmented mirrors. In this paper, we introduce the development process of a segmented mirror telescope and the main structure of the segmented mirror active control system, then summarize and analyze the domestic and foreign development of active control systems of segmented mirrors. In this paper, the key technologies of segmented mirror active control systems and how they achieve active adjustment and active maintenance are summarized. Their applications and the direction of their development are also proposed with respect to deep learning theory in closed-loop control, co-phase detection and correction, system-level simulation modeling technology. This paper provides guidance for the design of a segmented mirror control system in the next generation of ground-based large aperture telescopes in China.

     

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