Fidelity Evaluation for DELS Simulation Models
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.
Keywordsfidelity evaluation scale discrete event logistics system
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- 1.Gross, D.C.: Report from the Fidelity Implementation Study Group. In: 99 Spring Simulation Interoperability Workshop: Paper 167 (1999)Google Scholar
- 3.Liu, F., Yang, M.: Research on distributed simulation’s fidelity. Computer Simulation 22, 49–52 (2005)Google Scholar
- 4.Foster, L., Yelmgren, D.: Accuracy in DoD High Level Architecture Federations. 97 Fall Simulation Interoperability Workshop: Paper 064 (1997)Google Scholar
- 5.Kim, H.: Reference Model Based High Fidelity Simulation Modeling for Manufacturing Systems. School of Industrial and Systems Engineering, Georgia Institute of Technology, Georgia (2004)Google Scholar
- 6.Pace, D.K.: Dimensions and Attributes of Simulation Fidelity. In: Proceedings of the Fall 1998 Simulation Interoperability Workshop, Orlando, September 14-18 (1998)Google Scholar
- 7.Roza, J.C.: Simulation Fidelity Theory and Practice: A Unified Approach to Defining, Specifying and Measuring the Realism of Simulations. Delft University of Technology, Netherlands (2005)Google Scholar