中国空间科学技术

• •    

折叠式桁架机构展收运动动力学建模和分析

缪炳祺,曲广吉,杨雷,刘银虎   

  1. 浙江工业大学机电学院,中国空间技术研究院,中国空间技术研究院,浙江工业大学机电学院 杭州310014 ,北京100086 ,北京100086 ,杭州310014
  • 发布日期:2004-02-25

Dynamic Modeling and Analysis of Deployable Truss System

Miao Bingqi * Qu Guangji ** Yang Lei ** Liu Yinhu * (*College of Mechanical and Electrical Engineering, Zhejiang University of Technology, Hangzhou 310014) (**Chinese Academy of Space Technology, Beijing 100086)   

  • Online:2004-02-25

被引次数

14

摘要： 针对一类折叠式桁架结构系统 ,导出了其展收运动动力学模型 ,提供了求解相应的非线性微分———代数方程组的方法。桁架系统展收运动仿真算例表明 ,由于所建立的动力学模型规模较小 ,所提供的求解方法不需迭代 ,因而数字仿真所需的计算时间很少 ,并可避免采用通用的商用动力学仿真软件出现的求解困难

关键词: 多刚体系统, 展开机构, 动力学方程, 仿真, 航天器

Abstract: A dynamic model for a kind of deployable truss systems is derived. The method for solving the derived nonlinear differential-algebraic equation system is provided. An example is given to simulate the deployment of a typical truss system. It is shown that the derived model and the provided method for solving the dynamic equations are efficient for the truss system deployment simulation. The difficulty encountered in applying the commercial dynamic software can be avoided.