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WANG Hao, XU Haiyu, WANG Tianye, BIAN Zhiqiang, YAN Kui, ZHANG Lichang. On-orbit Identification and Compensation for Deformation Errors of Two-demensional Adjusment Solar Observation System (in Chinese). Chinese Journal of Space Science, 2026, 46(1): 1-8 doi: 10.11728/cjss2026.01.2025-0016
Citation: WANG Hao, XU Haiyu, WANG Tianye, BIAN Zhiqiang, YAN Kui, ZHANG Lichang. On-orbit Identification and Compensation for Deformation Errors of Two-demensional Adjusment Solar Observation System (in Chinese). Chinese Journal of Space Science, 2026, 46(1): 1-8 doi: 10.11728/cjss2026.01.2025-0016
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On-orbit Identification and Compensation for Deformation Errors of Two-demensional Adjusment Solar Observation System

doi: 10.11728/cjss2026.01.2025-0016 cstr: 32142.14.cjss.2025-0016

  • Shanghai Institute of Satellite Engineering, Shanghai 201109

  • Received Date: 2025-01-14
  • Rev Recd Date: 2025-05-26
    • Available Online: 2025-05-27
    Abstract
  • Aiming at the problem of optical axis pointing deviation caused by the internal deformation errors of the satellite’s solar observation system with two-dimensional adjustment, an on-orbit identification and compensation method for the deformation errors is proposed. Firstly, the mathematical modeling for the light path transfer process of the solar observation system is established. Secondly, the on-orbit identification and compensation method for the deformation error parameters in the mathematical model is given. Finally, the identification and compensation methods are simulated by mathematical simulation. The compensation effect is evaluated with the optical axis pointing accuracy as the evaluation standard. The simulation results show that the pointing accuracy of the solar observation payload's optical axis is improved by two orders of magnitude before and after the on-orbit compensation for the deformation error, which verifies the effectiveness of the proposed method. The results can be used as a reference for other payloads with a two-dimensional adjustment mechanism.

     

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