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Received: September 30, 2020 Revised: December 8, 2020 Accepted: December 21, 2020 Capacitated Vehicle Routing Problem (CVRP) is known as an NPhard problem. It is because CVRP problems are very hard for finding optimal solutions, especially in large instances. In general, the NPhard problem is difficult to solve in the exact method, so the metaheuristic approach is implemented in the CVRP problem to find a near-optimal solution in reasonable computational time. This research uses the DPSO algorithm for solving CVRP with ten instances of benchmark datasets. DPSO implementation uses tuning parameters with the One Factor at Time (OFAT) method to select the best DPSO parameters. The outcome objective function will be compared with several PSO models proposed in previous studies. Statistical test using One Way Reputed Measure ANOVA is needed to compare algorithm performance. First, ANOVA uses for comparing’s results. Then, ANOVA is also used to test DPSO’s performance compared with DPSO-SA, SR-1, and SR-2 algorithm. The computational result shows that the basic DPSO algorithm not competitive enough with other methods for solving CVRP.

Implementation of discrete particle swarm optimization algorithm in the capacitated vehicle routing problem