Experiment scheduling in faster-than-real-time simulation

  • Authors:
  • Dimosthenis Anagnostopoulos

  • Affiliations:
  • University of Athens, Panepistimiopolis, Athens, Greece

  • Venue:
  • Proceedings of the sixteenth workshop on Parallel and distributed simulation
  • Year:
  • 2002

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Abstract

Faster-than-real-time simulation (FRTS) can be used for performance evaluation of systems behavior in real time, providing significant capabilities for studying systems with a time-varying behavior. FRTS enables model validation through comparing simulation results with the corresponding system observations. However, experimentation proves to be rather demanding, as both delivering output results and ensuring their reliability must be accomplished within a predetermined time frame. Output analysis of system observations and model results and relevant timing issues are discussed. A method is introduced that determines whether it is possible to execute the "optimal" faster-than-real-time experiment, in which case multiple replications are scheduled for execution, or a compromise has to be made between the ability to predict for the long future and the degree of reliability achieved for predictions. FRTS experimental are also presented to support the effectiveness of the proposed method.