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Integrated Shipment Dispatching and Packing Problems: a Case Study

  • Andrea AttanasioEmail author
  • Antonio Fuduli
  • Gianpaolo Ghiani
  • Chefi Triki
Article

Abstract

In this paper we examine a consolidation and dispatching problem motivated by a multinational chemical company which has to decide routinely the best way of delivering a set of orders to its customers over a multi-day planning horizon. Every day the decision to be made includes order consolidation, vehicle dispatching as well as load packing into the vehicles. We develop a heuristic based on a cutting plane framework, in which a simplified Integer Linear Program (ILP) is solved to optimality. Since the ILP solution may correspond to a infeasible loading plan, a feasibility check is performed through a tailored heuristic for a three-dimensional bin packing problem with side constraints. If this test fails, a cut able to remove the infeasible solution is generated and added to the simplified ILP. Then the procedure is iterated. Computational results show that our procedure allows achieving remarkable cost savings.

Keywords

shipment consolidation vehicle dispatching bin packing 

Mathematics Subject Classification (2000)

90B06 90B90 

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Copyright information

© Springer Science + Business Media B.V. 2006

Authors and Affiliations

  • Andrea Attanasio
    • 1
    Email author
  • Antonio Fuduli
    • 2
  • Gianpaolo Ghiani
    • 3
  • Chefi Triki
    • 4
  1. 1.Dipartimento di Elettronica, Informatica e SistemisticaUniversità degli Studi della CalabriaRende (CS)Italy
  2. 2.Dipartimento di MatematicaUniversità degli Studi della CalabriaRende (CS)Italy
  3. 3.Dipartimento di Ingegneria dell’InnovazioneUniversità degli Studi di LecceLecceItaly
  4. 4.Dipartimento di MatematicaUniversità degli Studi di LecceLecceItaly

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