2026-05-28T08:53:13Zhttps://riuma.uma.es/rest/oai/requestoai:riuma.uma.es:10630/343072026-02-03T11:32:36Zcom_10630_2254col_10630_37953
RIUMA. Repositorio Institucional de la Universidad de Málaga
author
Luque-Gallego, Mariano
author
González-Gallardo, Sandra
author
Saborido Infantes, Rubén
author
Ruiz-Mora, Ana Belén
2024-10-04T07:05:21Z
2024-10-04T07:05:21Z
2020
Mariano Luque, Sandra Gonzalez-Gallardo, Rubén Saborido, Ana B. Ruiz, Adaptive Global WASF-GA to handle many-objective optimization problems, Swarm and Evolutionary Computation, Volume 54, 2020, 100644, ISSN 2210-6502, https://doi.org/10.1016/j.swevo.2020.100644
https://hdl.handle.net/10630/34307
10.1016/j.swevo.2020.100644
In this paper, a new version of the aggregation-based evolutionary algorithm Global WASF-GA (GWASF-GA) for many-objective optimization is proposed, called Adaptive Global WASF-GA (A-GWASF-GA). The fitness function of GWASF-GA is defined by an achievement scalarizing function (ASF) based on the Tchebychev distance, which considers two reference points (the nadir and utopian points) and a set of weight vectors. Despite of the benefits of using these two reference points simultaneously and a well-distributed set of weight vectors, it is necessary to go a step further to get better approximations in problems with complicated Pareto optimal fronts. For this, in A-GWASF-GA, some of the weight vectors are re-calculated during the optimization process based on the sparsity of the solutions found so far, and taking into account some theoretical results demonstrated in this paper regarding the ASF considered. Different strategies are carried out to accelerate the convergence and to maintain the diversity. The computational results, carried out in comparison with RVEA, NSGA-III, and different versions of MOEA/D, show the potential of A-GWASF-GA in well-known but also in novel many-objective optimization benchmark problems.
eng
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Computación evolutiva
Análisis vectorial
Adaptive Global WASF-GA to Handle. Many-objective Optimization Problems
journal article
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Adaptive_Global_WASF_GA_to_HandleMany_objective_Optimization_Problems.pdf