An Improved Ranking Scheme for Selection of Parents in Multi-Objective Genetic Algorithm

Rahila Patel, M. Raghuwanshi, L. Malik
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引用次数: 13

Abstract

Among the three genetic operator selection, crossover and mutation, selection operator is very important. Selection operator has got the force that may pull the search to a narrow area of search space or it may lend the algorithm to search the entire search space. This work focuses attention on the selection stage of multi-objective Genetic algorithm (MOGA) used for solving multi-objective optimization problems. Here we propose an improved selection scheme along with summation of normalized objective value based sorting. The algorithm is tested on test problems of CEC09 competition. The proposed algorithm SNOVMOGA (Summation of Normalized Objective Value based Multi-objective Genetic Algorithm) has shown either comparable or good performance on few unconstrained test problems. The goal of performance improvement of the real-coded multi-objective genetic algorithm has been achieved to some extent in this work.
一种改进的多目标遗传算法双亲选择排序方案
在选择、交叉和突变三种遗传算子中,选择算子是非常重要的。选择算子具有将搜索拉到搜索空间的狭窄区域或使算法能够搜索整个搜索空间的力量。本文主要研究了多目标遗传算法在求解多目标优化问题中的选择阶段。本文提出了一种改进的基于归一化目标值和排序的选择方案。在CEC09竞赛的测试问题上对算法进行了测试。提出的基于归一化目标值求和的多目标遗传算法(SNOVMOGA)在少数无约束测试问题上表现出相当或良好的性能。本文在一定程度上达到了实数编码多目标遗传算法性能改进的目的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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