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Acta Optica Sinica, Volume. 37, Issue 12, 1222002(2017)

Effects of In-Plane Displacement on Primary Mirror Control of Chinese Giant Solar Telescope

Tai Guo1,4,5, Yichun Dai1,4, Fangyu Xu1,2,4、*, Yongfang Luo3, Ji Chen3, and Zhenyu Jin1,2,4
Author Affiliations
  • 1 Yunnan Observatories, Chinese Academy of Sciences, Kunming, Yunnan 650216, China
  • 2 Yunnan Astronomical Technology Engineering Laboratory, Kunming, Yunnan 650216, China
  • 3 Yunnan KIRO-CH Photoelectric Co., Ltd., Kunming, Yunnan 650217, China
  • 4 Center for Astronomical Mega-Science, Chinese Academy of Sciences, Beijing 100012, China
  • 5 University of Chinese Academy of Sciences, Beijing 100049, China
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    References (23)
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    Figures & Tables(9)
    Schematic of the primary mirror of 8m-RST and coordinate system. (a) Top view; (b) front view

    Fig. 1. Schematic of the primary mirror of 8m-RST and coordinate system. (a) Top view; (b) front view

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    Layout schematic of actuators and sensors (top view)

    Fig. 2. Layout schematic of actuators and sensors (top view)

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    Block diagram of traditional 8m-RST primary mirror control model

    Fig. 3. Block diagram of traditional 8m-RST primary mirror control model

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    Two undetectable modes. (a) Axial shift of primary mirror; (b) focus mode

    Fig. 4. Two undetectable modes. (a) Axial shift of primary mirror; (b) focus mode

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    Effect of in-plane displacement on relative height difference of edge sensors (front view)

    Fig. 5. Effect of in-plane displacement on relative height difference of edge sensors (front view)

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    Effect of in-plane displacement on reading of optical sensors (front view)

    Fig. 6. Effect of in-plane displacement on reading of optical sensors (front view)

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    Model graph with consideration of in-plane displacement

    Fig. 7. Model graph with consideration of in-plane displacement

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    Schematic of gap sensor and shear sensor (top view)

    Fig. 8. Schematic of gap sensor and shear sensor (top view)

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    Improved model of 8m-RST primary control system

    Fig. 9. Improved model of 8m-RST primary control system

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    Tai Guo, Yichun Dai, Fangyu Xu, Yongfang Luo, Ji Chen, Zhenyu Jin. Effects of In-Plane Displacement on Primary Mirror Control of Chinese Giant Solar Telescope[J]. Acta Optica Sinica, 2017, 37(12): 1222002

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    Paper Information

    Category: Optical Design and Fabrication

    Received: Jun. 22, 2017

    Accepted: --

    Published Online: Sep. 6, 2018

    The Author Email: Fangyu Xu (xu_fangyu@ynao.ac.cn)

    DOI:10.3788/AOS201737.1222002

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology