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| Titel: |
Un procedimiento greedy para el problema de posicionamiento de vehículos en sistemas complejos de transporte automatizado para manufactura |
| Auteur: |
Jairo Rafael Montoya Torres |
| Verschenen in: |
Ingeniería y Universidad |
| Paginering: | Jaargang 12 (2008) nr. 1 pagina's 9-32 |
| Jaar: |
2008 |
| Inhoud: |
This paper discusses the problem ofvehicle location or positioning formaterial handling in automated manufacturingsystems. The problem isinspired by a real-life application insemiconductor manufacturing. Themain difference between this paperand previous works is the considerationof the unified nature of thetransport system in which vehicles cantravel from one machine to anotherwithout passing through intermediatestorage. Since a vehicle fleet size islimited, it is necessary to implementintelligent strategies to satisfy transportationrequests. Previous workshave focused on hierarchical mathematicalprogramming and simulationapproaches. This paper studies the tacticaldecision level, in which, based onstatic demand estimates, the objectiveis to determine the best distributionof vehicles within the factory so as tominimize the time required to servicea transport request. A greedy heuristicprocedure is proposed. Experimentaltests have been conducted using previousdata from the literature basedon a real-life automated factory. Animprovement in both productionmetrics and computation time hasbeen obtained. |
| Uitgever: |
Pontificia Universidad Javeriana (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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