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Fidelity Evaluation for DELS Simulation Models

  • Yukun Liu
  • Jing Chen
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 402)

Abstract

The simulation practice in discrete event logistics system (DELS) domain lacks objective and operable methods in fidelity evaluation and management which leads to high costs or inadequate effectiveness of simulations. This paper provides an approach to evaluate the fidelity of simulation models for DELS. Simulation Fidelity is composed of experiment fidelity and model fidelity. Model fidelity is described by the ratio between the simulation model and the understood reality model. Next, fidelity is divided into four dimensions: structural, correlational, temporal and sensorial. Then a three-step operable approach to evaluate fidelity using Fidelity Evaluation Scale is presented by decomposing and analyzing the model in Fidelity Template, enumerating and calculating the indicators of the dimensions. An example is given showing how the approach is used in simulation practice in logistics context. This approach provides an operable and quantitative evaluation of fidelity which will benefit the trade-off between the costs and effectiveness of simulations of DELS.

Keywords

fidelity evaluation scale discrete event logistics system 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Yukun Liu
    • 1
  • Jing Chen
    • 1
  1. 1.Logistics Engineering CenterBeijing University of Posts and TelecommunicationsBeijingChina

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