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2016, vol. 64, br. 1, str. 110-129
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Tok popravljivih rezervnih delova u multiešelonskom sistemu snabdevanja
Repairable spare parts flow in a multi-echelon inventory system
Projekat: University of Defence in Belgrade, Ministry of Defence, of the Republic of Serbia under project VA-TT/6/13-15
Sažetak
U radu se razmatra problem promene vrednosti odabranih parametara na rad dvonivovskog sistema snabdevanja rezervním delovima, zavisno od protoka rezervnih delova u sistemu snabdevanja. Analiziran je uticaj na tok regenerisanih komponenti u zavisnosti od vrednosti koeficijenta popunjenosti perifernih skladišta, ukupnih troškova i prosečnog vremena čekanja u redu u perifernim skladištima, za različite nominalne vrednosti stoka u centralnom i perifernom skladištu. Potražnja za rezervnim delovima u perifernim skladištima zavisi od sezonskih promena, koje su modelovane sa odgovarajućom funkcijom verovatnoće.
Abstract
This paper considers the problem of changing the value of selected characteristics for the operation of a two-level inventory system of maintainable parts depending on the flow of regenerated components in the inventory system. We analyzed the influence of the flow of regenerated components on the value of the coefficient of peripheral storage fill-rate, total costs and the average waiting time in the queue in peripheral warehouses, at different nominal values of the stocks in central and peripheral warehouses. The demand for spare parts in the peripheral warehouses is dependent on seasonal changes, modeled with an appropriate probability distribution.
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