NDLI: Trade study of penetration and sampling devices for possible use on the Mars Sample Return missions

Content Provider	IEEE Xplore Digital Library
Author	McConnell, J.B.
Copyright Year	2000
Description	Author affiliation: Texas A&M Univ., College Station, TX, USA (McConnell, J.B.)
Abstract	This paper reviews the work completed on the compilation of a database containing viable penetrating and sampling devices, the performance of a system level trade study comparing selected devices to a set of prescribed parameters and the employment of a metric for the evaluation and ranking of the traded penetration and sampling devices, with respect to possible usage on the 03 and 05 Mars Sample Return missions. The trade study performed is based on a select set of scientific, engineering, programmatic and socio-political criteria. The use of a metric for the various penetration and sampling devices will act to expedite current and future device selection. Three sets of weights and scorings were developed to represent the application of loose requirements, tight requirements and actual conditions. Five alternative lander based sampling system concepts, including the current Mars Sample Return baseline, were evaluated based on the developed criteria and three sets of weights/scorings. It was found that the optimal lander based sampling system for the set of weights/scorings representing actual conditions, was the current Mars Sample Return baseline, due to the no cost condition, from NASA's perspective. However, if this condition is not met, the optimal sampling system may change, based on the selected criteria and weights. This is important in the event that an alternative is required to the current lander based sample acquisition baseline system.
Starting Page	573
Ending Page	582
File Size	1052607
Page Count	10
File Format	PDF
ISBN	0780358465
ISSN	1095323X
DOI	10.1109/AERO.2000.879325
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-03-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sampling methods Mars Soil Atmosphere Earth Information analysis Data engineering Databases Employment Cost function
Content Type	Text
Resource Type	Article
Subject	Aerospace Engineering Space and Planetary Science

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