Article | REF: S7252 V1

Sequential automation modeling tools - Petri nets

Authors: Pierre LADET, Isabel DEMONGODIN

Publication date: March 10, 2009

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2. Autonomous Petri nets

2.1 Definitions. Examples

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2.1.1 Informal definition of Petri nets

A Petri net is a graph composed of two types of nodes:

  • places that describe the states of the system being modeled ;

  • transitions representing changes of state.

Places and transitions are linked by oriented arcs (figure 7 ). A Petri net is said to be a bipartite...

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Autonomous Petri nets