New Evolutionary Algorithm Based on 2-Opt Local Search to Solve the Vehicle Routing Problem with Private Fleet and Common Carrier

Jalel Euchi, Habib Chabchoub and Adnan Yassine
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Jalel Euchi: University of Sfax, Tunisia
Habib Chabchoub: University of Sfax, Tunisia
Adnan Yassine: University of Le Havre, France

International Journal of Applied Metaheuristic Computing (IJAMC), 2011, vol. 2, issue 1, 58-82

Abstract: Mismanagement of routing and deliveries between sites of the same company or toward external sites leads to consequences in the cost of transport. When shipping alternatives exist, the selection of the appropriate shipping alternative (mode) for each shipment may result in significant cost savings. In this paper, the authors examine a class of vehicle routing in which a fixed internal fleet is available at the warehouse in the presence of an external transporter. The authors describe hybrid Iterated Density Estimation Evolutionary Algorithm with 2-opt local search to determine the specific assignment of each tour to a private vehicle (internal fleet) or an outside carrier (external fleet). Experimental results show that this method is effective, allowing the discovery of new best solutions for well-known benchmarks.

Date: 2011
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