航天器热变形控制设计及验证  

Design and Verification of Thermal Deformation Control for Spacecraft

作　　者：刘涛 李书博 赵启龙 曹斌 刘汉武 李鹏 Liu Tao;Li Shubo;Zhao Qilong;Cao Bin;Liu Hanwu;Li Peng(Shanghai Institute of Aerospace Systems Engineering,Shanghai 201109)

机构地区：[1]上海宇航系统工程研究所,上海201109

出　　处：《航天制造技术》2024年第5期74-79,共6页Aerospace Manufacturing Technology

摘　　要：随着载荷高精度探测能力的提升,对航天器安装精度控制及保持要求越来越高,由太空复杂热环境引起的结构变形成为精度尺寸链上必须考虑的技术难题。本文基于某型号研制过程,为实现对飞行器指向的高精度控制,对航天器系统级热变形控制进行设计,模拟在轨典型外热流工况设计工况完成全系统热变形试验,使用数字摄影和经纬仪获取试验数据,并通过仿真对在轨状态进行评估,分析验证了航天器热变形控制设计的有效性,对评估航天器在轨运行期间的热变形具有参考意义。With the improvement of the ability of high-precision detection of payloads,the requirements for the control and maintenance of spacecraft installation accuracy are becoming higher and higher.Thermal deformation of structure caused by thermal environment changes has become a technicl probelm that must be considered in the precision dimension chain.This paper is based on the development process of a certain type,in order to realize the high-precision control of pointing aircraft,the spacecraft system-level thermal deformation control is designed.The simulation of typical in-orbit external heat flow conditions is designed to complete the system-wide thermal deformation test.The test data is obtained by digital photography and theodolite,and the in-orbit stata is evaluated by simulation.The analysis verifies the effectiveness of the thermal deformation control design of spacecraft,which has reference significance for evaluating the thermal deformation of spacecraft during orbit operation.

关 键 词：高精度探测 复杂热环境 热变形 数字摄影 

分 类 号：V19[航空宇航科学与技术—人机与环境工程] TN821.8[电子电信—信息与通信工程]