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Journal of applied research and technology

versión On-line ISSN 2448-6736versión impresa ISSN 1665-6423

Resumen

AFSHAR-NADJAFI, Behrouz et al. Economic production quantity model with backorders and items with imperfect/perfect quality options. J. appl. res. technol [online]. 2019, vol.17, n.4, pp.250-257.  Epub 28-Feb-2021. ISSN 2448-6736.  https://doi.org/10.22201/icat.16656423.2019.17.4.794.

In this paper, an economic production quantity (EPQ) model with backorders considering two options for replenishing of items is proposed; with partially imperfect and perfect quality items. First option assumes a produced shipment contains a fraction of imperfect quality items and supplier does not conduct a full inspection. Therefore, these items are detected by a fully perfect screening process by buyer and are sold as a single batch at a discounted price. While the second one assumes that all items that are produced are fully inspected by supplier and all delivered items are perfect; of course with higher unit production price. Ordering size and backordering level are used as decision variables to derive the closed-form optimal solution. The proposed model is illustrated and discussed by a numerical example. Finally, a sensitivity analysis is done for identifying the impact of crucial parameters on the optimal solution.

Palabras llave : Inventory Control; Economic Production Quantity; Backorders; Imperfect Items.

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