Multimodal processes prototyping subject to grid-like network and fuzzy operation time constraints

Grzegorz Bocewicz (), Zbigniew Banaszak and Izabela Nielsen ()
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Grzegorz Bocewicz: Koszalin University of Technology
Zbigniew Banaszak: Koszalin University of Technology
Izabela Nielsen: Aalborg University

Annals of Operations Research, 2019, vol. 273, issue 1, No 20, 585 pages

Abstract: Abstract This paper describes a Grid-like Material Transportation Network (GMTN) in which several heterogeneous means of transportation (Automated Guided Vehicles (AGVs), hoists, lifts, etc.) interact with each other via common shared workstations to provide a variety of demand-responsive material handling operations. Different material handling transport modes provide movement of workpieces between workstations along their manufacturing routes in the GMTN and they can be seen as processes realized with synergic utilization of various local periodically acting unimodal processes. The main contribution of this research is the solution of a constraint satisfaction problem addressing AGVs fleet match-up scheduling subject to GMTN and fuzzy operation time constraints. In the presented case both production rate (production takt) and operations execution time are described by imprecise (fuzzy) data. In other words, the research’s objective concerns assessing grid-like networks of periodically acting local transportation modes from the perspective of possible mass-customized oriented requirements imposed on scheduling of multimodal flows of jobs assigned to certain technological routes passing through common shared workstations.

Keywords: AGVs fleet scheduling; Grid-like network; Multimodal process; Fuzzy constraints; Declarative modelling (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1007/s10479-017-2468-5

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