航天器展开机构转动阻尼器仿真分析与试验研究  

Simulation analysis and tests of rotating damper for spacecraft deployment mechanism

作　　者：王嘉登 刘冲 薛景赛 邓泽华 杨铭波[1,2] 刘兴天 WANG Jiadeng;LIU Chong;XUE Jingsai;DENG Zehua;YANG Mingbo;LIU Xingtian(Space Mechanical-Thermal Integrative Technology Lab,Shanghai Institute of Satellite Engineering,Shanghai 201109,China;Shanghai Engineering Technology Research Center for Aerospace Equipment Micro-vibration Environment Simulation,Shanghai 201109,China;Shanghai Composite Material Technology Co.,Ltd.,Shanghai 201112,China)

机构地区：[1]上海卫星工程研究所空间机热一体化技术实验室,上海201109 [2]上海航天装备微振动环境模拟工程技术研究中心,上海201109 [3]上海复合材料科技有限公司,上海201112

出　　处：《振动与冲击》2023年第13期310-315,共6页Journal of Vibration and Shock

基　　金：国家自然科学基金(51875363)。

摘　　要：随着航天器大型天线展开驱动力矩需求越来越大,天线展开到位时的冲击载荷控制问题逐渐引起工程界的重视。介绍了一种航天器展开机构用大行程、大阻尼转动阻尼器,可有效抑制展开机构展开时的冲击载荷。对转动阻尼器的工作原理进行了简要介绍,建立了转动阻尼器力学模型,分析了转动阻尼器的阻尼特性;采用MSC.ADAMS软件,对天线从收拢状态到完全展开状态这一展开过程进行了动力学数值仿真分析,分析了转动阻尼器对展开速度以及展开到位时锁定冲击力的影响;搭建了转动阻尼器阻尼性能测试平台,并且进行了阻尼性能测试。结果表明,阻尼力矩仿真值与试验值误差在2%以内,安装转动阻尼器后天线展开到位时锁定冲击载荷幅值下降达91%,展开末期展开速度下降达81%,验证了转动阻尼器对冲击载荷控制的有效性。With increasing demand for driving torque of large antenna deployment in spacecraft,impact load control problem when antenna is unfolded in place has gradually attracted attentions of engineering community.Here,a rotating damper with large stroke and large damping was introduced for deployment mechanism of spacecraft,it could effectively suppress impact load during deployment mechanism deploying.Firstly,the working principle of this rotating damper was briefly introduced,its dynamic model was established to analyze its damping characteristics.Secondly,adopting the software MSC.ADAMS,the dynamic numerical simulation analysis was performed for the deployment process of antenna from folded state to fully deployed state to analyze effects of rotating damper on unfolding speed and locking impact force during antenna being unfolded in place.Finally,the damping performance test platform of rotating damper was built to conduct damping performance tests.The results showed that the error between the simulated value of damping torque and its test value is within 2%;the amplitude of locking impact load decreases by 91%when antenna is unfolded in place after installing rotating damper,and antenna unfolding speed decreases by 81%at the end of deployment;so,the effectiveness of rotating damper for impact load control is verified.

关 键 词：展开机构 转动阻尼器 阻尼力矩 阻尼率 

分 类 号：TP73[自动化与计算机技术—检测技术与自动化装置] V416.21[自动化与计算机技术—控制科学与工程]