Synchronizing sequences on not strongly connected Petri nets (Work-in-Progress)

  • Authors:
  • Marco Pocci;Isabel Demongodin;Norbert Giambiasi;Alessandro Giua

  • Affiliations:
  • Laboratoire des Sciences de l'Information et des Systémes, Campus de Saint Jérôme, Marseille, France;Laboratoire des Sciences de l'Information et des Systémes, Campus de Saint Jérôme, Marseille, France;Laboratoire des Sciences de l'Information et des Systémes, Campus de Saint Jérôme, Marseille, France;University of Cagliari, Cagliari, Italy

  • Venue:
  • Proceedings of the 2011 Symposium on Theory of Modeling & Simulation: DEVS Integrative M&S Symposium
  • Year:
  • 2011

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Abstract

In testing Discrete Event System, an important topic is determining the final state of the machine after the application of a test. Synchronizing and homing sequences have been proposed in the sixties to solve the problem using Mealy machines. A synchronizing sequence drives an implementation of a given model, seen as a black box, to a known state regardless of its initial state and the outputs. In this paper, we investigate how to determine synchronizing sequences using systems represented by a class of synchronized Petri nets. We propose an approach that can be applied to (not necessarily strongly) connected nets. Regardless of the number of tokens that the net contains, a synchronizing sequence may be computed in terms of the net structure, thus avoiding the state explosion problem.