Timed-Arc Petri Nets vs. Networks of Timed Automata

Research output: Contribution to conference without publisher/journalPosterResearch

27 Citations (Scopus)

Abstract

We establish mutual translations between the classes of 1-safe timed-arc Petri nets (and its extension with testing arcs) and networks of timed automata (and its subclass where every clock used in the guard has to be reset). The presented translations are very tight (up to isomorphism of labelled transition systems with time). This provides a convenient characterization from the theoretical point of view but is not always satisfactory from the practical point of view because of the possible non-polynomial blow up in the size (in the direction from automata to nets). Hence we relax the isomorphism requirement and provide efficient (polynomial time) reductions between networks of timed automata and 1-safe timed-arc Petri nets preserving the answer to the reachability question. This makes our techniques suitable for automatic translation into a format required by tools like UPPAAL and KRONOS. A direct corollary of the presented reductions is a new PSPACE-completeness result for reachability in 1-safe timed-arc Petri nets, reusing the region/zone techniques already developed for timed automata.
Original languageEnglish
Publication date2005
DOIs
Publication statusPublished - 2005
Event26th International Conference on Application and Theory of Petri Nets (ICATPN'05) - Miami, United States
Duration: 20 Jun 200524 Jun 2005
Conference number: 26

Conference

Conference26th International Conference on Application and Theory of Petri Nets (ICATPN'05)
Number26
Country/TerritoryUnited States
CityMiami
Period20/06/200524/06/2005

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