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http://dx.doi.org/10.5140/JASS.2009.26.4.677

Conceptual Design of Rover's Mobility System for Ground-Based Model  

Kim, Youn-Kyu (Space Application & Future Technology Center, KARI)
Kim, Hae-Dong (Space Application & Future Technology Center, KARI)
Lee, Joo-Hee (Space Application & Future Technology Center, KARI)
Sim, Eun-Sup (Space Application & Future Technology Center, KARI)
Jeon, Sang-Won (Hanool Robotics Corp.)
Publication Information
Journal of Astronomy and Space Sciences / v.26, no.4, 2009 , pp. 677-692 More about this Journal
Abstract
In recent years, lots of studies on the planetary rover systems have been performed around space advanced agencies such as NASA, ESA, JAXA, etc. Among the various technologies for the planetary rover system, the mobility system, navigation algorithm, and scientific payload have been focused particularly. In this paper, the conceptual design for a ground-based model of planetary rover's mobility system to evaluate mobility and moving stability on ground is presented. The status of overseas research and development of the planetary rover systems is also addressed in terms of technical issues. And then, the requirements of the planetary rover's mobility system are derived by means of considering mobility and stability. The designed rover's mobility system has an active suspension with 6 legs that controls 6 joints on the each leg in order to achieve high stability and mobility. This kind of mobility system has already applied to the ATHELE of NASA for various purposes such as transportation and habitation for human lunar exploration activities in the near future (i.e., Constellation program). However, the proposed system has been designed by focusing on the small-sized unmanned explorations, which may be applied for the future Korea Lunar exploration missions. Therefore, we expect that this study will be an useful reference and experience in order to develop the planetary exploration rover system in Korea.
Keywords
rover; mobility system; planetary exploration;
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