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Mars Science Laboratory Differential Restraint: The Devil is in the DetailsThe Differential Restraint, a mechanism used on the Mars Science Laboratory (MSL) rover to maintain symmetry of the mobility system during the launch, cruise, and entry descent and landing phases of the MSL mission, completed nearly three full design cycles before a finalized successful design was achieved. This paper address the lessons learned through these design cycles, including three major design elements that can easily be overlooked during the design process, including, tolerance stack contribution to load path, the possibility of Martian dirt as a failure mode, and the effects of material properties at temperature extremes.
Document ID
20130003152
Acquisition Source
Jet Propulsion Laboratory
Document Type
Conference Paper
External Source(s)
Authors
Jordan, Elizabeth
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
August 27, 2013
Publication Date
May 16, 2012
Subject Category
Lunar And Planetary Science And Exploration
Meeting Information
Meeting: 41st Aerospace Mechanisms Symposium
Location: Pasadena, CA
Country: United States
Start Date: May 16, 2012
End Date: May 17, 2012
Distribution Limits
Public
Copyright
Other
Keywords
Entry Descent and Landing (EDL)
design cycles
Differential Restraint

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