Computer Science – Performance
Scientific paper
May 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998pofu.rept..157v&link_type=abstract
Fortieth Anniversary: Pioneering the Future, p. 157
Computer Science
Performance
Systems Engineering, Mechanical Devices, Mars (Planet), Penetration, Drills, Soil Sampling, Tools, Aerospace Environments, Design Analysis, Actuators, Impact Tests, Performance Tests, Data Acquisition
Scientific paper
This paper summarizes the design and development of a sub-surface sample acquisition system for use in micro-penetrators. The system was developed for flight use under NASA's New Millennium Program, Deep Space 2 project. The system goal is to acquire approximately 100 mg of Martian sub-surface soil and return it to the inside of the micro-penetrator for analysis to determine the presence of water. Various passive and active sampling techniques that were tested during the development cycle are described. After significant testing, a side bore drill mechanism was chosen to be developed for use in the flight penetrators. The design, development, and testing of mechanism element are outlined, with particular emphasis placed on actuator development, drill stem design, impact testing, and mechanism testing in various soil types. The other system elements, a pyrotechnically actuated door mechanism to seal the sample and an impact restraint mechanism, are also described.
Potsaid Benjamin
Voorhees Chris
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