Abstract
In this paper, a novel real number encoding method of Particle Swarm Optimization (PSO) for Vehicle Routing Problem is proposed. Objective is to solve the vehicle routing problem with fuzzy demands (FVRP) ,in FVRP, a fuzzy chance constrained program model is designed, based on fuzzy credibility theory. Firstly construct a suitable mapping between problem solution and PSO particle, and adopted appropriate procedure in the method. To illustrate the effectiveness and good performance of the proposed algorithm, a number of numerical examples are carried out, and the algorithm is compared with other heuristic methods for the same problem.
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