System design of spaceborne large aperture perimeter truss antenna

doi:10.16708/j.cnki.1000-758X.2025.0003

Chinese Space Science and Technology ›› 2025, Vol. 45 ›› Issue (1): 24-33.doi: 10.16708/j.cnki.1000-758X.2025.0003

System design of spaceborne large aperture perimeter truss antenna

FENG Tao^1,*，ZAHNG Qingjun²，LIN Kunyang¹，WANG Lipeng¹，ZHANG Qiao¹，YANG Jungang¹，XIAO Yong¹

1.Xi’an Institute of Space Radio Technology，Xi’an 710100，China
2.Institute of Remote Sensing Satellite,China Academy of Space Technology，Beijing 100094，China

Received:2024-01-31 Revision received:2024-04-17 Accepted:2024-04-30 Online:2025-01-23 Published:2025-02-01

Abstract

Abstract: The perimeter truss antenna is the ideal structure of the spaceborne deployable antenna with very large aperture, which is the key payload for high-orbit communication and high-orbit remote sensing satellite applications. The spaceborne perimeter truss antenna is a typical prestressed structure composed of the surrounding truss and cable network system. The accuracy of surface and the fundamental frequency of antenna are the main performance indexes of antennas. On-orbit reliable deployment is the premise of on-orbit application, and reliable deployment is the most important part of antenna design. The influence of ring antenna system parameters on on-orbit performance is analyzed. Based on the analysis of the deployable power system and the transmission power system, the influence of system parameters of the ring antenna on the deployable reliability is expounded. The method of evaluating the on-orbit performance design by structural statics and the deployable reliability by dynamic means are proposed. The design flow of spaceborne large aperture perimeter truss antenna system is defined by strength verification and on-board lock-release design by structural dynamics method, and the optimization strategy of each design parameter is proposed. It provides a reference for technical research and engineering development of the larger aperture spaceborne deployable antenna in the future.

Key words: spaceborne perimeter truss antenna, on-orbit performance, deployable structure, system design, optimization strategy

FENG Tao, ZAHNG Qingjun, LIN Kunyang, WANG Lipeng, ZHANG Qiao, YANG Jungang, XIAO Yong. System design of spaceborne large aperture perimeter truss antenna[J]. Chinese Space Science and Technology, 2025, 45(1): 24-33.

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System design of spaceborne large aperture perimeter truss antenna

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