A Unified High-Level Petri Net Formalism for Time-Critical Systems

  • Authors:
  • Carlo Ghezzi;Dino Mandrioli;Sandro Morasca;Mauro Pezzè

  • Affiliations:
  • Politecnico di Milano, Milan, Italy;Politecnico di Milano, Milan, Italy;Politecnico di Milano, Milan, Italy;Politecnico di Milano, Milan, Italy

  • Venue:
  • IEEE Transactions on Software Engineering
  • Year:
  • 1991

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Abstract

The authors introduce a high-level Petri net formalism-environment/relationship (ER) nets-which can be used to specify control, function, and timing issues. In particular, they discuss how time can be modeled via ER nets by providing a suitable axiomatization. They use ER nets to define a time notation that is shown to generalize most time Petri-net-based formalisms which appeared in the literature. They discuss how ER nets can be used in a specification support environment for a time-critical system and, in particular, the kind of analysis supported.