摘要
为研究卫星平台微振动特性及微振动对空间载荷的影响,设计一种用于模拟空间微振动的实验设备——六维扰动力模拟器。首先进行六维扰动力模拟器理论建模分析;其次进行单轴激励器及六维扰动力模拟器结构设计和有限元仿真分析;最后进行单轴激励器模态测试和模拟器扰动力实验测试。结果表明:单轴激励器模态测试结果与有限元仿真分析结果误差不超过2.5%;六维扰动力模拟器实验测试结果与扰动力理论分析结果的误差在5%以内,六维扰动力模拟器满足设计要求。
In order to study the micro-vibration characteristics of satellite platform and the effect of micro-vibration on the payload in space,a six-dimensional disturbance force simulator is designed to simulate the micro-vibration in space.First,the theoretical modeling analysis of the six-dimensional disturbance force simulator was performed.Secondly,the structure design of the uniaxial actuator and simulator model were performed and the finite element simulation analysis was applied on the models.Finally,the uniaxial actuator modal test was carried out and the simulator perturbation force experiment was performed.The results show that the error between the modal test results and finite element simulation analysis results of the single axis actuator does not exceed 2.46%;the error between the experimental results of the six-dimensional disturbance force simulator and the results of the disturbance force theoretical analysis is within 5%.Therefore,the six-dimensional disturbance force simulator meets the design requirements.
作者
林诺
王忠素
贺帅
夏明一
赵亚平
徐振邦
LIN Nuo;WANG ZhongSu;HE Shuai;XIA MingYi;ZHAO YaPing;XU ZhenBang(Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China;University of the Chinese Academy of Sciences,Beijing 100049,China)
出处
《机械强度》
CAS
CSCD
北大核心
2020年第1期140-145,共6页
Journal of Mechanical Strength
基金
国家自然科学基金项目(11672290,51705083)
吉林省科技发展计划项目(20160520074JH)资助。
关键词
空间微振动
单轴激励器
结构设计
有限元仿真分析
Spatial micro-vibration
Single-axis exciter
Structural design
Finite element simulation analysis
