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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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NTRS : 20100027503
Other Ref # : ARC-E-DAA-TN1449
Submitted by : MEP
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