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arXiv 2004.09838cs.NE
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一种基于分解的大规模多模态多目标优化算法

A Decomposition-based Large-scale Multi-modal Multi-objective Optimization Algorithm

Yiming Peng, Hisao Ishibuchi

摘要:

多模态多目标优化问题是一类特殊的多Pareto子集多目标优化问题。本文在广泛应用的MOEA/D算法的基础上,提出了一种高效的多模态多目标优化算法。在我们提出的算法中,每个权重向量都有自己的子种群。通过清除机制和贪婪删除策略,我们提出的算法可以有效地保留等价的Pareto最优解(即,具有相同目标值的不同Pareto最优解)。实验结果表明,该算法在处理大规模多模态多目标优化问题时,能够有效地保持决策空间解的多样性。

英文摘要:

A multi-modal multi-objective optimization problem is a special kind of multi-objective optimization problem with multiple Pareto subsets. In this paper, we propose an efficient multi-modal multi-objective optimization algorithm based on the widely used MOEA/D algorithm. In our proposed algorithm, each weight vector has its own sub-population. With a clearing mechanism and a greedy removal strategy, our proposed algorithm can effectively preserve equivalent Pareto optimal solutions (i.e., different Pareto optimal solutions with same objective values). Experimental results show that our proposed algorithm can effectively preserve the diversity of solutions in the decision space when handling large-scale multi-modal multi-objective optimization problems.

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