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Exploration Rover Concepts and Development ChallengesThis paper presents an overview of exploration rover concepts and the various development challenges associated with each as they are applied to exploration objectives and requirements for missions on the Moon and Mars. A variety of concepts for surface exploration vehicles have been proposed since the initial development of the Apollo-era lunar rover. This paper provides a brief description of the rover concepts, along with a comparison of their relative benefits and limitations. In addition, this paper outlines, and investigates a number of critical development challenges that surface exploration vehicles must address in order to successfully meet the exploration mission vision. These include: mission and environmental challenges, design challenges, and production and delivery challenges. Mission and environmental challenges include effects of terrain, extreme temperature differentials, dust issues, and radiation protection. Design methods are discussed that focus on optimum methods for developing highly reliable, long-life and efficient systems. In addition, challenges associated with delivering a surface exploration system is explored and discussed. Based on all the information presented, modularity will be the single most important factor in the development of a truly viable surface mobility vehicle. To meet mission, reliability, and affordability requirements, surface exploration vehicles, especially pressurized rovers, will need to be modularly designed and deployed across all projected Moon and Mars exploration missions.
Document ID
20050175879
Acquisition Source
Glenn Research Center
Document Type
Conference Paper
Authors
Zakrajsek, James J.
(NASA Glenn Research Center Cleveland, OH, United States)
McKissock, David B.
(NASA Glenn Research Center Cleveland, OH, United States)
Woytach, Jeffrey M.
(NASA Glenn Research Center Cleveland, OH, United States)
Zakrajsek, June F.
(NASA Glenn Research Center Cleveland, OH, United States)
Oswald, Fred B.
(NASA Glenn Research Center Cleveland, OH, United States)
McEntire, Kelly J.
(NASA Glenn Research Center Cleveland, OH, United States)
Hill, Gerald M.
(NASA Glenn Research Center Cleveland, OH, United States)
Abel, Phillip
(NASA Glenn Research Center Cleveland, OH, United States)
Eichenberg, Dennis J.
(NASA Glenn Research Center Cleveland, OH, United States)
Goodnight, Thomas W.
(NASA Glenn Research Center Cleveland, OH, United States)
Date Acquired
September 7, 2013
Publication Date
March 1, 2005
Subject Category
Lunar And Planetary Science And Exploration
Report/Patent Number
NASA/TM?2005-213555
AIAA Paper 2005?2525
E?14998
Meeting Information
Meeting: First Space Exploration Conference: Continuing the Voyage of Discovery
Location: Orlando, FL
Country: United States
Start Date: January 30, 2005
End Date: February 1, 2005
Sponsors: American Inst. of Aeronautics and Astronautics
Funding Number(s)
WBS: WBS 22-794-20-69
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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