航天器结构是航天器的重要组成部分和基础,是在各种力学环境和空间环境下,为航天器及其各分系统提供支撑、承受和传递载荷,并保持一定刚度和尺寸稳定性的部件和附件的总称。其中,附件是指在空间伸展在卫星本体之外的大型结构件,或星体内大型设备的主承力部分,如太阳翼、天线、相机支架和镜筒等。航天器结构在 Spacecraft structure is an important part and foundation of spacecraft. It is a component that supports, supports and transfers spacecraft and its subsystems in a variety of mechanical and environmental environments and maintains a certain rigidity and dimensional stability And the general term for the attachment. Among them, the attachment refers to the large-scale structure extending in space outside the satellite body, or the main components of large-scale equipment such as the sun wing, antenna, camera bracket and lens barrel. Spacecraft structure at