考虑缓冲装置惯性及接触变形的对接动力学仿真研究

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RESEARCH ON NUMERIC SIMULATION OF DOCKING DYNAMICS CONSIDERING INERTIA OF SHOCK ABSORBERS AND CONTACT DEFORMATION

1. Department of Astronautics and Mechanics, Harbin Institute of Technology, 150001;
2. Department of Instrumentation, Measurement and Control Engineering, Harbin Institute of Technology;
3. The 805th Inst. of 8rd Academy, CASC

摘要: 为了使对接动力学数值仿真更准确、全面地反映对接过程的动力学特性,针对具有异体同构周边式对接机构的两飞船组成的对接系统,建立了考虑缓冲装置惯性及接触变形的对接动力学数学模型.概述了接触点类型及确定接触点的几何学模型,描述了缓冲装置模型、接触力模型及运动方程,并进行了数值仿真.最后将仿真结果与未考虑上述两因素的仿真结果进行了对比分析.
- 对接动力学 /
- 数值仿真 /
- 缓冲装置的惯性 /
- 接触变形
Abstract: Considering inertia of shock absorbers and contact deformation, a more precise and comprehensive docking dynamics model is built to make numeric simulation of the docking system which consists of two spacecrafts with androgynous peripheral docking mechanisms to reflect the dynamic characters of docking process. Types of contact points, geometrical model that determinates contact points, model of contact force and motion equations are studied. Simulation is done and the results are analyzed and compared with those which inertia and deformation are omitted.
- Docking dynamic /
- Numeric simulation /
- Inertia of shock absorbers /
- Contact deformation