Single Reflect‐Mirror Laser Communication Tracking‐Pointing System Load Technology for Micronanosatellite

Tie Chi, Lizhong Zhang and Lixin Meng

Advances in Mathematical Physics, 2022, vol. 2022, issue 1

Abstract: In order to realize low‐orbit microsatellite laser communication, L‐ and U‐frame structures are designed, respectively, for the payload of single‐lens reflex (SLR) laser communication tracking and pointing system. According to the characteristics of each load structure, the detailed system design is carried out, and the modal analysis is carried out on the key structural parts of the L‐ and U‐frames to ensure the reliability of each load structure. The pointing accuracy of the two load structures is also calculated and analyzed. Finally, the conclusion is that both of the two load structures can meet the technical and accuracy requirements of low‐orbit communication, but obviously, the U‐frame structure has higher accuracy, greater pitching angle, and better reliability; eventually, the U‐frame structure is adopted in this design. Then, we have completed the manufacture and assembly of the principle prototype and carried out a vibration test experiment on the principle prototype. The results show that the U‐type loading structure SLR laser communication tracking and pointing system achieves the expected design purpose and can meet the technical requirements of the low‐orbit microsatellite laser communication.

Date: 2022
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https://doi.org/10.1155/2022/5334054

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnlamp:v:2022:y:2022:i:1:n:5334054

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