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Article Dans Une Revue International Journal of Production Research Année : 2023

A Decision Aid Algorithm for Long-Haul Parcel Transportation based on Hierarchical Network Structure

Résumé

With the explosion of e-commerce, optimizing parcel transportation has become increasingly important. We study the long-haul stage of parcel transportation which takes place between sorting centers and delivery depots and is performed on a twolevel hierarchical network. In our case study, we describe the application framework of this industrial problem faced by a French postal company: There are two vehicle types which must be balanced over the network on a daily basis, and there are two possible sorting points for each parcel, which allows a better consolidation of parcels. These industrial constraints are formalized in the Long-Haul Parcel Transportation Problem (LHPTP). We present a Mixed Integer Linear Program (MILP) and a hierarchical algorithm with aggregation of demands which uses the MILP as a subroutine. We perform numerical experiments on large-size datasets provided by a postal company, which consist of approximately 2500 demands on a network of 225 sites. These tests enable the tuning of certain parameters resulting in a tailored heuristic for the LHPTP. Our algorithm can serve as a decision aid tool for transportation managers to build daily transportation plans, modeled on solutions produced given daily demand forecasts, and can also be used to improve the network design.
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Dates et versions

hal-03853078 , version 1 (15-11-2022)

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Camille Gras, Nathalie Herr, Alantha Newman. A Decision Aid Algorithm for Long-Haul Parcel Transportation based on Hierarchical Network Structure. International Journal of Production Research, 2023, 61 (21), pp.7198-7212. ⟨10.1080/00207543.2022.2147233⟩. ⟨hal-03853078⟩
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