HANDLING IMPRECISION IN VEHICLE ROUTING PROBLEMS: FUZZY LOGIC APPROACH

In this article, we are interested in the dynamic management of a vehicles fleet, dedicated to the pick-up and/or delivery of parcels in a customers set. In order to have a more realistic model, travel times and time windows are subject to variations: we will present a realistic vehicle routing problem model obtained by introducing uncertainties data (flexible time windows and fuzzy travel times) modelled by using fuzzy logic. In the last, we will present a resolution preliminary results obtained by two approaches (heuristic insertion and genetic algorithm).