A Petri Nets-Based Scheduling Methodology For Multipurpose Batch Plants  

Oleh:

Riera, Daniel ; Narciso, Mercedes ; Benqlilou, Chouaib

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Simulation vol. 81 no. 9 (Sep. 2005), page 613-624.
Topik: Petri nets; coverability tree; simulation; scheduling; batch
Fulltext: 613.pdf (436.91KB)

Isi artikel

This article presents an optimization methodology of batch production processes assembled by shared resources that rely on a mapping of state events into time events, allowing in this way the straightforward use of well-consolidated scheduling policies developed for manufacturing systems. A technique to generate the timed Petri net representation from a continuous dynamic representation (DAE systems) of the production system is presented together with the main characteristics of a Petri nets–based tool implemented for optimization purposes. This article describes also how the implemented tool generates the coverability tree and how it can be pruned by a general-purpose heuristic. An example of a distillation process with two shared batch resources is used to illustrate the proposed optimization methodology.

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