Detection Method for Credibility Defect of Simulation Based on Sobol’ Method and Orthogonal Design
Against the defect detection problem of simulation credibility, a method based on Sobol’ method and orthogonal design is proposed. Firstly, taking acceptable range of simulation credibility as measurement standard, then credible indexes and incredible indexes of simulation system are determined. Secondly, experiment scheme is arranged according to an extended table transformed from orthogonal table, and incredible index’s defect rank is judged by experimental result analysis combining with membership function of defect rank. Thirdly, Latin Hypercube sampling is taken from relevant indexes of incredible index, and then sensitivity coefficients of relevant indexes are calculated using Sobol’ method. Finally an example is given to validate the effectiveness of the proposed method.
Keywordssimulation credibility defect detection Sobol’ method orthogonal design sampling
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