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Flexible Petri nets for intelligent robot cell modelling. (English) Zbl 0854.68066

Summary: A new class of Petri nets (called Flexible Petri nets is developed which can form the theoretical platform for building a computer tool that aids the rapid modelling and prototyping of the coordination layer of flexible robotic cells (FRC). Flexible Petri nets \((F1\) P-N) are produced by combining a set of existing extensions and modifications to the simple Petri net model. A special graphical programming language is created which covers the semantics of \(F1\) P-Ns and so it is appropriate for easy implementation of \(F1\) P-Ns. The proposed prototyping methodology involves the design and construction of a behavioral model which possesses “hierarchical control” and “distributed system” features. A nontrivial flexible manufacturing system (FMS) example is included to show how this behavioral model can be employed.

MSC:

68Q85 Models and methods for concurrent and distributed computing (process algebras, bisimulation, transition nets, etc.)
68U99 Computing methodologies and applications
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