A control oriented model for manual-pick warehouses |
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Authors: | Francesco Basile Pasquale Chiacchio Domenico Del Grosso |
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Affiliation: | Dipartimento di Ingegneria Elettronica e Ingegneria Informatica, Università di Salerno, Italy |
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Abstract: | Nowadays the low cost of wireless communications allows the real time monitoring of the state of manual-pick warehouse systems making possible the real time control of these systems. At this aim, an approach based on a two-level model is presented in this paper. At the lower level, Petri nets are used to build online a model representing the active missions state and to detect conflicts among resources. At the upper level, logical expressions are used to add constraints for a single mission or item. The model is proved to be effective for online monitoring, scheduling and rescheduling of warehouse activities. |
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