Title

Propagation Of Unit Location Uncertainty In Dense Storage Environments

Keywords

item location uncertainty; logistics; naval logistics; storage systems; warehousing systems

Abstract

Dense storage systems provide high-space utilisation; however, because not all units are immediately accessible, selectively offloading units can require shifting of other stored units in order to access the requested unit. Given an initial certainty in unit location, a discrete time Markov Chain is developed to quantify the growth of unit location uncertainty as a function of retrieval requests. As the first to mathematically model uncertainty propagation in dense storage operations, metrics are developed to analyse the model. A theoretical understanding of the relationship among storage density, retrieval times and unit location uncertainty is provided. Finally, a case study using inventory and load plan data from a military application illustrates how the developed models can be used by managers to evaluate selective offloading policies and layouts.

Publication Date

9-17-2017

Publication Title

International Journal of Production Research

Volume

55

Issue

18

Number of Pages

5435-5449

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1080/00207543.2017.1319582

Socpus ID

85018192378 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85018192378

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