Petri Nets: Past, Present and Future
Numerous papers, reports, and books on Petri nets and their applications in various areas have been published since Petri nets were first conceived in 1962. This chapter first attempts to give an overview of Petri net theory development and to discuss briefly some important landmarks from its origin to the present. Next, previous and current applications of Petri nets in manufacturing and automation are discussed. They include modeling, validation, performance analysis, simulation and rapid prototyping of automated manufacturing systems. The use of Petri nets as a tool for designing supervisory controllers for various manufacturing systems, as well as their implementation, is stressed. Research on the synthesis of Petri nets for asynchronous and concurrent systems is summarized in detail. Synthesis methods for deadlockfree control structures are particularly emphasized. Finally, future research in the area of Petri nets for manufacturing automation is discussed.
KeywordsManufacturing System Flexible Manufacturing System Automatic Guide Vehicle Discrete Event System Marked Graph
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