Transforming time constraints of a GRAFCET graph into a suitable Petri net formalism

  title={Transforming time constraints of a GRAFCET graph into a suitable Petri net formalism},
  author={Fred Schumacher and Alexander Fay},
  journal={2013 IEEE International Conference on Industrial Technology (ICIT)},
GRAphe Fonctionnel de Commande Etape Transition (GRAFCET) is a powerful graphical modeling language for the specification of controllers in discrete event systems and an international standard since 1988. It contributes to a more structural and model driven approach in the design of logic controllers but still lacks an exhaustive formal definition. As a step towards an exhaustive formal definition of GRAFCET this paper discusses time dependencies, as they are defined in IEC 60848, by comparing… CONTINUE READING


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