Runtime Modeling of Flow for Dynamic Deadlock-free Scheduling in Service-oriented Factory Automation Systems

Changes in equipment and production demand cannot be predicted at the design stage. Therefore, decision taking mechanisms must rely on real time information collected from the shop floor. To perform scheduling and routing optimization, not only modifications in values of parameters of interest, but...

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Bibliographic Details
Published in:Technical review - IETE 2009-05, Vol.26 (3), p.203-212
Main Authors: Popescu, Corina, Cavia Soto, Maria de los Ángeles, Martinez Lastra, Jose L.
Format: Article
Language:English
Subjects:
Deadlock handling
Factories
Factory automation
Manufacturing
Manufacturing systems
Monitoring systems
Petri nets
Process controls
Real time
Runtime modeling
Scheduling
Service oriented architecture
Studies
Transportation services
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Summary:Changes in equipment and production demand cannot be predicted at the design stage. Therefore, decision taking mechanisms must rely on real time information collected from the shop floor. To perform scheduling and routing optimization, not only modifications in values of parameters of interest, but also in the flow itself must be accounted for. This paper addresses this problem and proposes a method to formally model, at runtime, the flow within a service-oriented manufacturing line. The resulting representation assists deadlock free dynamic scheduling of the system.
ISSN:0256-4602
0974-5971
DOI:10.4103/0256-4602.50705