Abstract
In this work, we propose a lunar lander demonstrator with lightweight landing gears combined with foot-dampers to absorb landing impact loads and improve landing stability. We select an appropriate aluminum honeycomb and foot-damper model through a set of compression tests and analysis. A set of landing tests with the lunar lander demonstrator is conducted to verify the landing stability considering various ground conditions. In addition, load cells and accelerometers are installed to measure the impact load and shock acceleration on the landing gear to investigate quantitative shock absorption performance. Our test results show that the developed landing gears successfully attenuate the shock and improve landing stability, meeting the design requirements.
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