一种新型空间对接抓捕机构的设计与分析

详细信息

Design and analysis of a new capture mechanism for space docking

1.
CNAC photoelectric Polytron Technologies Inc, Luoyang 471000, China
2.
Mechanical and Electronic Engineering College, North University of China, Taiyuan 030051, China

摘要: 文章设计一种新型抓捕机构,不仅具有结构简单、末端速度可控等优点,而且可减小两卫星抓捕过程中产生的碰撞力。基于抓捕机构的工作原理,使用CATIA软件建立了三维模型,并运用ADAMS仿真软件进行仿真分析,得到其运动规律和动力学曲线;使用ABAQUS有限元软件对抓捕机构中的软轴进行受力分析。仿真与有限元分析结果表明:与美国ASDS-Ⅱ相比,该机构的角度容差更大,更容易实现对卫星的捕获。
- 空间对接 /
- 抓捕机构 /
- ADAMS软件 /
- ABAQUS软件
Abstract: This paper presents the design of a new type of docking mechanism, with advantages of simple structure, capability of end speed control, simultaneous reduction of the impact forces of two satellites during their adsorption union. First, the principle of the docking mechanism is discussed. And then, a three-dimension model is established by using the CATIA software and it is analyzed using the ADAMS software to obtain the motion pattern and the dynamic curve. At last, the force with the flexible shaft in the catching mechanism is analyzed using the ABAQUS finite element software. Simulation results show that the angle allowance of the new capture mechanism is better than the ASDS-Ⅱ, thus the satellite docking may be implemented more easily.
- space docking /
- capture mechanism /
- ADAMS software /
- ABAQUS software

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