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http://dx.doi.org/10.9709/JKSS.2013.22.4.067

Multi-fidelity Modeling and Simulation Methodology to Enhance Simulation Performance of Engineering-level Defense Model  

Choi, Seon Han (한국과학기술원 전기및전자공학과)
Seo, Kyung-Min (한국과학기술원 전기및전자공학과)
Kwon, Se Jung (한국과학기술원 전기및전자공학과)
Kim, Tag Gon (한국과학기술원 전기및전자공학과)
Abstract
This paper presents multi-fidelity modeling and simulation (M&S) methodology to enhance simulation performance of engineering-level defense models. In this approach, a set of models with varying degrees of fidelity is exercised to reduce computational expense maintaining a similar level of system effectiveness. For multi-fidelity M&S principles, this paper defines model fidelity from two perspectives (i.e., model behavior and execution), and suggests the Fidelity Change Point (FCP) to specify the fidelity conversion. With these concepts, this paper centers on three ideas: 1) two models' structure which are the Behavioral-Fidelity Interchangeable Model (B-FIM) and the Executional-Fidelity Interchangeable Model (E-FIM), 2) modeling formalism, and 3) a simulation algorithm to support them. From an abstract case study regarding a target tracking scenario with the utilization of the proposed method, we can gain interesting experimental results regarding the enhancement of simulation performance. Finally, we expect that this work will serve various M&S-based analysis areas for enhancing simulation performance.
Keywords
Modeling and simulation; Engineering-level defense model; Multi-fidelity; Simulation enhancement;
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Times Cited By KSCI : 5  (Citation Analysis)
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