Credibility Assessment of Models and Simulations Based on NASA's Models and Simulation Standard Using the Delphi Method

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This paper introduces a procedure to assess the credibility of models and simulations (M&S) as a group activity based on NASA's new standard for M&S NASA-STD-7009. The Delphi method, which is characterized by iterative surveys with controlled feedback, was selected to implement the assessment. The proposed procedure is expected to address the issues in the M&S assessment related to a high level of required expertise and group decision making. An actual credibility assessment study using the proposed procedure on an M&S platform referred to as SpaceNet has been carried out by ten panel members through a two-round Delphi. The study concluded that the overall credibility of SpaceNet version 1.3 was between the development level and production level. The variances of the assessments in the second-round survey were significantly reduced compared with the first-round results, which indicates the effectiveness of the proposed procedure.
Publisher
WILEY-BLACKWELL
Issue Date
2014-04
Language
English
Article Type
Article
Keywords

FACE-TO-FACE; DECISION-MAKING; NOMINAL GROUPS

Citation

SYSTEMS ENGINEERING, v.17, no.2, pp.237 - 248

ISSN
1098-1241
DOI
10.1002/sys.21266
URI
http://hdl.handle.net/10203/189662
Appears in Collection
AE-Journal Papers(저널논문)
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