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Research Article | Open Access

A Legged Small Celestial Body Landing Mechanism: Landing Simulation and Experimental Test

Zhijun Zhao1( ), Shuang Wu1, Jingdong Zhao2( ), Yaobing Wang1, Chuncheng Zhao3
Beijing Key Laboratory of Intelligent Space Robotic System Technology and Applications, Beijing Institute of Spacecraft System Engineering, Beijing 100094, China
State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150006, China
Department of Aerospace Science and Technology, Polytechnic University of Milan, Milan 20133, Italy
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Abstract

Landing mechanism tends to rebound and turn over, and the stability time is long when landing on the small celestial body. Its landing performance in different conditions is necessary to be evaluated to guide the landing. Here, landing performance evaluation is realized by simulation. Key factors affecting the landing performance including cardan element damping, foot anchors, retro-rocket thrust, landing slope angle, and landing attitude are analyzed. A microgravity platform is built to test the landing mechanism, and the consistency between the simulation and the experiment is compared. On the basis of simulation and experiment, some landing suggestions are proposed to improve the landing performance.

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Space: Science & Technology
Volume 3,
2023
Article number: 0066
DOI: 10.34133/space.0066

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Cite this article:
Zhao Z, Wu S, Zhao J, et al. A Legged Small Celestial Body Landing Mechanism: Landing Simulation and Experimental Test. Space: Science & Technology, 2023, 3: 0066. https://doi.org/10.34133/space.0066

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Received: 14 March 2023
Accepted: 16 August 2023
Published: 21 September 2023
© 2023 Zhijun Zhao et al. Exclusive licensee Beijing Institute of Technology Press. No claim to original U.S. Government Works.

Distributed under a Creative Commons Attribution License 4.0 (CC BY 4.0).