NDLI: A proposal for relative time Petri nets

Content Provider	IEEE Xplore Digital Library
Author	Kuehn, J. Lakos, C. Esser, R.
Copyright Year	2005
Description	Author affiliation: Sch. of Comput. Sci., Adelaide Univ., SA, Australia (Kuehn, J.; Lakos, C.; Esser, R.)
Abstract	Petri nets are a graph-based modelling formalism which has been widely used for the formal specification and analysis of concurrent systems. A common analysis technique is that of state space exploration (or reachability analysis). Here, every possible reachable state of the system is generated and desirable properties are evaluated for each state. This approach has the great advantage of conceptual simplicity, but the great disadvantage of being susceptible to state space explosion, where the number of states is simply too large for exhaustive exploration. Many reduction techniques have been suggested to ameliorate the problem of state space explosion. In the case of timed systems, the state space is infinite, unless analysis is restricted to a bounded time period. In this paper, we present a Petri net formalism based on the notion of relative time (as opposed to the traditional approach of dealing with absolute time). The goal is to derive a finite state space for timed systems which have repeating patterns of behaviour, even though time continues to advance indefinitely.
Sponsorship	IEEE Comput. Soc
Starting Page	240
Ending Page	249
File Size	332467
Page Count	10
File Format	PDF
ISBN	0769524354
DOI	10.1109/SEFM.2005.4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-07
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Proposals Petri nets State-space methods Explosions Clocks Delay Computer science Australia Formal specifications Space exploration
Content Type	Text
Resource Type	Article

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