Synchronization in a Two-supplier Assembly System: Combining a Fixed Lead-time Module with Capacitated Make-to-Order Production

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Samenvatting

A high-tech manufacturer often produces products that consist of many modules. These modules are either sourced from one of its suppliers or produced in-house. In this paper we study an assembly system in which one module is sourced from a supplier with a fixed lead-time, while the other module is produced by the manufacturer itself in a make-to-order production system. Since unavailability of one of the modules has costly consequences for the production of the end-product, it is important to coordinate between the ordering policy for one module and the production of the other. We propose an order policy for the lead-time module with base-stock levels depending on the number of outstanding orders in the production system of the in-house produced module. We prove monotonicity properties of this policy and show optimality. Furthermore, we conduct a computational experiment to evaluate how the costs of this policy compare to those of a policy with fixed base-stock levels and show that average savings of 17% are attained.
Originele taal-2Engels
Artikelnummer2105.08991
Aantal pagina's26
TijdschriftarXiv.org, e-Print Archive, Mathematics
Volume2021
StatusGepubliceerd - 19 mei 2021

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