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Article Dans Une Revue European Journal of Operational Research Année : 2021

Solving an integrated scheduling and routing problem with inventory, routing and penalty costs

Résumé

This paper considers an integrated routing and scheduling problem where the routing part takes into account routing costs and tardiness penalties and the scheduling part is modelled by a permutation flow shop with inventory costs. We assume that each batch is served by a dedicated vehicle, and that the number of batches and their compositions (the number of jobs and the parameters of those jobs) are known in advance. The problem is to determine the starting times of the jobs for each machine in the flow shop, the starting times of the batches and their delivery route, such that the total cost (sum of inventory, routing and penalty costs) is minimised. A two-step approach is proposed. In a first step, the optimal delivery routes for each batch and each possible departure date are calculated. This is possible as determining the min cost route for a particular delivery batch and a particular departure date is easy. As a result, we have a delivery cost function for each batch, depending on the departure date. In a second step, we use those functions to find a schedule that minimises the total cost. Computational experiments are performed on randomly generated instances.
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Dates et versions

hal-03141572 , version 1 (21-02-2022)

Identifiants

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Hugo Chevroton, Yannick Kergosien, Lotte Berghman, Jean-Charles Billaut. Solving an integrated scheduling and routing problem with inventory, routing and penalty costs. European Journal of Operational Research, 2021, 294 (2), pp.571-589. ⟨10.1016/j.ejor.2021.02.012⟩. ⟨hal-03141572⟩
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