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A Study on Large Population MOEA Using Adaptive ε-Box Dominance and Neighborhood Recombination for Many-Objective Optimization

机译:基于自适应ε盒优势和邻域重组的大目标MOEA多目标优化研究

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Multi-objective evolutionary algorithms are increasingly being investigated to solve many-objective optimization problems. However, most algorithms recently proposed for many-objective optimization cannot find Pareto optimal solutions with good properties on convergence, spread, and distribution. Often, the algorithms favor one property at the expense of the other. In addition, in some applications it takes a very long time to evaluate solutions, which prohibits running the algorithm for a large number of generations. In this work to obtain good representations of the Pareto optimal set we investigate a large population MOEA, which employs adaptive ε-box dominance for selection and neighborhood recombination for variation, using a very short number of generations to evolve the population. We study the performance of the algorithm on some functions of the DTLZ family, showing the importance of using larger populations to search on many-objective problems and the effectiveness of employing adaptive ε-box dominance with neighborhood recombination that take into account the characteristics of many-objective landscapes.
机译:为了解决多目标优化问题,越来越多地研究多目标进化算法。但是,最近提出的用于多目标优化的大多数算法都无法找到在收敛,扩散和分布上都具有良好特性的帕累托最优解。通常,算法偏向一种特性,而以另一种特性为代价。另外,在某些应用中,评估解决方案需要花费很长时间,这使算法无法运行很多代。在获得帕累托最优集的良好表示的这项工作中,我们研究了大种群MOEA,该MOEA使用自适应ε-box优势进行选择,并采用邻域重组进行变异,使用极少的世代来进化种群。我们研究了该算法在DTLZ系列某些功能上的性能,显示了使用更大的种群来搜索多目标问题的重要性,以及考虑到许多特征的邻域重组使用自适应ε-box优势的有效性目标景观。

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