By Topic

Guide Rails for Linear Separation of Powered Descent Vehicle from Mars Science Laboratory Backshell

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$33 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

2 Author(s)
J. J. Quicksall ; Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109. 818-354-4063, John.J.Quicksall@jpl.nasa.gov ; J. C. Gallon

During descent through the Martian atmosphere, Mars science laboratory (MSL) uses three sets of guide rails and rollers to control the separation dynamics of the powered descent vehicle (PDV) from the Backshell and parachute. The guided linear separation of the two bodies over a distance of half a meter mitigates the risk of re- contact which could result in unexpected and detrimental vehicle dynamics. The guide rails are comprised of three thin beams oriented in 120 degree intervals around the circumference of the Backshell's internal structure, and they interface with three sets of four rollers mounted on the exterior of the PDV. This configuration resists motion in 5 DOF. The only unconstrained DOF is in the direction of desired separation. Analysis was used to size the guide rail and rollers, and tests will be performed to validate the design's capability to perform as required during the dynamic separation event.

Published in:

Aerospace Conference, 2008 IEEE

Date of Conference:

1-8 March 2008