Model Validation Method for Discrete Event Simulation

doi:10.16182/j.issn1004731x.joss.201709015

Abstract

Abstract: Due to the discrete event system with some characteristics like unfixed operation process, flexible entity state and other issues, a comprehensive validation method for discrete event simulation model based on qualitative and quantitative analysis was proposed. The evaluation index system was composed of four aspects that are the consistency of simulation results, logic correctness of events occurrence sequence, consistency of condition events occurrence probability and consistency of activity execution time respectively. A qualitative and quantitative calculation method for the bottom evaluation indexes was proposed. The qualitative analysis method was used to validate logic correctness of events occurrence sequence and the quantitative analysis methods including hypothesis test and vector similarity analysis were used to validate the other bottom indicators. The results of the bottom indexes calculation were integrated to obtain the ultimate model validation result and the effectiveness of the method was verified by an example.

Key words: discrete event system, model validation, consistency analysis, vector similarity analysis

CLC Number:

TP391.9

Niu Shuai, Lin Shenglin, Li Wei, Yang Ming. Model Validation Method for Discrete Event Simulation[J]. Journal of System Simulation, 2017, 29(9): 1984-1990.

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