Controlling distribution inventory systems with shipment consolidation and compound Poisson demand

Lina Johansson, Danja R. Sonntag, Johan Marklund, Gudrun P. Kiesmüller

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review

12 Citeringar (SciVal)

Sammanfattning

We consider a one-warehouse-multiple-retailer inventory system where the retailers face stochastic customer demand, modelled as compound Poisson processes. Deliveries from the central warehouse to groups of retailers are consolidated using a time based shipment consolidation policy. This means that replenishment orders have to wait until a vehicle departures, which increases the lead time for the retailers and therefore also the safety stock. Thus, a trade-off exists between expected shipment costs and holding costs. Our aim is to determine the shipment intervals and the required amount of safety stock for each retailer and the warehouse to minimize total cost, both for backorder costs and fill rate constraints. Previous work has focused on exact solutions which are computationally demanding and not applicable for larger real world problems. The focus of our present work is on the development of computationally attractive heuristics that can be applied in practice. A numerical study shows that the proposed heuristics perform well compared to the exact cost minimizing solutions. We also illustrate that the approaches are appropriate for solving real world problems using data from a large European company.

Originalspråkengelska
TidskriftEuropean Journal of Operational Research
DOI
StatusPublished - 2019 juni 27

Ämnesklassifikation (UKÄ)

  • Transportteknik och logistik

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