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ID No : | 800 Edit | Title: | Functional Risk Modeling for Lunar Surface Systems |
Summary / Review : | "We introduce an approach to risk modeling that we call functional modeling , which we have developed to estimate the capabilities of a lunar base. The functional model tracks the availability of functions provided by systems, in addition to the operational state of those systems constituent strings. By tracking functions, we are able to identify cases where identical functions are provided by elements (rovers, habitats, etc.) that are connected together on the lunar surface. We credit functional diversity in those cases, and in doing so compute more realistic estimates of operational mode availabilities. The functional modeling approach yields more realistic estimates of the availability of the various operational modes provided to astronauts by the ensemble of surface elements included in a lunar base architecture. By tracking functional availability the effects of diverse backup, which often exists when two or more independent elements are connected together, is properly accounted for." (Author's abstract) |
Author(s) : |
Thomson, Fraser; Mathias, Donovan; Go, Susie; Nejad, Hamed, [Ames Research Center] |
Publication Date: | 2010 |
Category(s) : |
Bases, industry and manufacturing / Infrastructure and logistics |
Web URL : |
http://hdl.handle.net/2060/20100027503
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PERMANENT code(s) : | L,U |
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In the row above, there are up to 4 possibilities: U = URL you can click on to get a copy instantly from another source on the internet, or request it from that source D = Downloadable from PERMANENT (such as because no other URL known...) L = LAN copy, PERMANENT has a digital copy but not downloadable from our website P = Paper copy in the PERMANENT office Typically, only 0 to 3 methods are available. |
NTRS : | 20100027503 |
Other Ref # : | ARC-E-DAA-TN1449 |
Submitted by : | MEP |
Comments: |
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