Dynamic Analysis of Lunar Rover Elevator Road-Set Deploying and Locking

Abstract:

The first task of a lunar rover elevator after landing is to deploy road-set. Vibration amplitude is large and attenuation time is very long because of low material modal damping and litter outer damping on lunar, which can be a disaster for a space mission. The paper built the road-set deploying rigid-flexible coupling simulation model by ADAMS and Nastran software and measured the acceleration of the inner and outer road-set end by experiment. Simulation and experiment results show that gravity, material damping coefficient and torsion spring parameters influence to road-set vibration greatly and the methods to restrain road-set vibration are to optimize joint torsion spring parameters by kinetic energy least restrict and to enhance attenuation speed by optimizing the road-set appearance and increase its damping coefficient.

• Periodical: Applied Mechanics and Materials (Volumes 52-54)
• Pages: 1486-1489
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.52-54.1486
• Online since: March 2011
• Authors: Kui Li, Rong Qiang Liu, Zong Quan Deng, Sheng Yuan Jiang
• Keywords: Dynamic, Elevator, Lunar Rover, Road-Set, Vibration

References

[1] Nikola Babic: The Extended Duration Lunar Lander. (NASA report, USA 1993).

[2] H. Price, K. Cramer, S. Doudrick, W. Lee, J. Matijevic and S. Weinstrein: 2002 IEEE Aerospace Conference (Montana USA, March 9-16, 2002), 2(2002), PP. 559-573.

[3] Information on http: /news. xinhuanet. com/photo/2008-11/05/content_10311999. htm.

[4] H.H. Liu: Landing Dynamic Modeling and Simulating Analysis of Mutil-legged Lunar Lander. (MS, Nanchang University, China 2008), pp.14-16. (In Chinese).

[5] J. Peng, Zh.Y. Liu and H. Zhang: Spacecraft Engineering. Vol. 17 (2008) No. 1, pp.18-23.