Exploiting Temporal Uncertainty in the Distributed Simulation of Time Petri Nets

  • Authors:
  • F. Cicirelli;Angelo Furfaro;Libero Nigro

  • Affiliations:
  • Università della Calabria;Università della Calabria;Università della Calabria

  • Venue:
  • ANSS '05 Proceedings of the 38th annual Symposium on Simulation
  • Year:
  • 2005

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Abstract

This paper proposes a kernel for the distributed simulation of real-time systems modelled by Merlin and Farberýs Time Petri Nets (TPN). The realization depends on Temporal Uncertainty Time Warp (TUTW), a novel time warp algorithm capable of exploiting temporal uncertainty in general optimistic simulations. A key feature of the application rests on the fact that TPN models naturally exhibit a certain degree of temporal uncertainty which the TUTW control engine can exploit to achieve good speedup without impairing accuracy of the simulation output. Usefulness of the achieved TUTW/TPN kernel is demonstrated by simulation experiments on a real-time system example.