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http://dx.doi.org/10.9709/JKSS.2010.19.2.127

Validation Method of Simulation Model Using Wavelet Transform  

Shin, Sang-Mi (고려대학교 정보경영공학부)
Kim, Youn-Jin (고려대학교 정보경영공학부)
Lee, Hong-Chul (고려대학교 정보경영공학부)
Abstract
The validation of a simulation model is a key to demonstrate that the simulation model is reliable. However, among various validation methods have been introduced, it is very poor to research the specific techniques for the time series data. Therefore, this paper suggests the methodology to verify the simulation using the time series data by Wavelet Transform, Power Spectrum and Coherence. This method performs 2 steps as followed. Firstly, we get spectrum using the Wavelet transform available for non-periodic signal separation. Secondly, we compare 2 patterns of output data from simulation model and actual system by Coherence Analysis. As a result of comparing it with other validation techniques, the suggested way can judge simulation model accuracy more clearly. By this way, we can make it possible to perform the simulation validation test under various situations using detailed sectional validation method, which has been impossible using a single statistics for the whole model.
Keywords
Validation method; Simulation; Wavelet transform; Time series data;
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Times Cited By KSCI : 1  (Citation Analysis)
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