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首页> 外文会议>Proceedings of ESMATS 2011: 14th European space mechanisms and tribology symposium.;Proceedings of ESMATS 2011: 14th European space mechanisms and tribology symposium. >DEVELOPMENT AND TESTING OF LEG ASSEMBLIES FOR ROBOTIC LUNAR LANDER
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DEVELOPMENT AND TESTING OF LEG ASSEMBLIES FOR ROBOTIC LUNAR LANDER

机译：机器人月牙机腿组件的开发和测试

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摘要

The NASA Marshall Space Flight Center (MSFC) andrnJohns Hopkins University / Applied Physics Laboratoryrn(APL) have developed a landing gear capable of multiplernsoft landings, for a lunar lander. This capability makes thisrnleg design suitable for landing on to other Near EarthrnObjects (NEO) as well. This energy absorbing leg wasrndeveloped utilizing two different damping mechanisms – arnhydraulic damper and a crushable honeycomb core. Therndevelopment of this design was supported by detailedrndynamic analysis using the software tool ADAMS torngenerate loads and accelerations for a range of landingrnconditions. A special impact test rig was developed andrndetailed tests with elaborate instrumentation werernconducted to verify the dynamic performance. In addition,rnthree of these leg assemblies were assembled to arndemonstration model of the lander and this test article wasrnsubjected to a variety of tests under more realistic landingrnconditions.
机译：美国宇航局马歇尔太空飞行中心（MSFC）和约翰·霍普金斯大学/应用物理实验室（APL）已经开发了一种能够多次登月的起落架。此功能使此支腿设计也适合降落到其他近地物体（NEO）上。利用两种不同的阻尼机制开发了这种吸收能量的支腿-液压阻尼器和可压碎的蜂窝芯。使用软件工具ADAMS进行详细的动力学分析可支持该设计的开发，以针对一系列着陆条件生成载荷和加速度。开发了特殊的冲击试验台，并用精密的仪器进行了详细的试验，以验证其动态性能。另外，将这三个腿组件组装到着陆器的演示模型中，并且该测试文章在更实际的着陆条件下经受了各种测试。

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