Mixed integer linear programming models to solve a real-life vehicle routing problem with pickup and delivery

Ali Louati, Rahma Lahyani, Abdulaziz Aldaej, Racem Mellouli, Muneer Nusir

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

This paper presents multiple readings to solve a vehicle routing problem with pickup and delivery (VRPPD) based on a real-life case study. Compared to theoretical problems, real-life ones are more difficult to address due to their richness and complexity. To handle multiple points of view in modeling our problem, we developed three different Mixed Integer Linear Programming (MILP) models, where each model covers particular constraints. The suggested models are designed for a mega poultry company in Tunisia, called CHAHIA. Our mission was to develop a prototype for CHAHIA that helps decision-makers find the best path for simultaneously delivering the company’s products and collecting the empty boxes. Based on data provided by CHAHIA, we conducted computational experiments, which have shown interesting and promising results.

Original languageEnglish
Article number9551
JournalApplied Sciences (Switzerland)
Volume11
Issue number20
DOIs
StatePublished - 1 Oct 2021

Keywords

  • Mixed integer linear programming
  • Optimization
  • Pickup and delivery
  • Vehicle routing problem

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