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SMS-EMOA with multiple dynamic reference points

机译:具有多个动态参考点的SMS-EMOA

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摘要

Over the past decades, evolutionary multi-objective optimization algorithms have shown their strength on solving the multi-objective optimization problems. The S-Metric Selection Evolutionary Multiobjective Optimization Algorithm (SMS-EMOA) is a state-of-the-art algorithm which uses the hypervolume indicator as selection criterion and performs well in finding well distributed solutions to approximate the Pareto front. In this paper, the concept of multiple dynamic reference points is integrated to the SMS-EMOA which can balance the trade-off of exploration and exploitation by changing the number of reference points. This way it combines concepts of indicator based and decomposition based EMOA design in a promising manner. The proposed algorithm is compared with other well established EMOA on the classical ZDT benchmark which have 5 different test problems with two objectives. The results show that SMS-EMOA with multiple dynamic reference points outperforms other state-of-the-art algorithms, including SMS-EMOA, by covering more hypervolume which means it has a better approximation of the Pareto front.
机译:在过去的几十年中,进化的多目标优化算法在解决多目标优化问题上表现出了优势。 S度量选择进化多目标优化算法(SMS-EMOA)是一种最新算法,该算法使用超量指标作为选择标准,并且在寻找分布均匀的解以逼近Pareto前沿时表现出色。在本文中,将多个动态参考点的概念集成到SMS-EMOA中,它可以通过更改参考点的数量来平衡勘探与开发之间的权衡。这样,它以一种很有希望的方式结合了基于指标和基于分解的EMOA设计的概念。将该算法与经典ZDT基准上其他成熟的EMOA进行了比较,后者具有5个不同的测试问题,并且具有两个目标。结果表明,具有多个动态参考点的SMS-EMOA通过覆盖更多的超容量,胜过其他最新算法(包括SMS-EMOA),这意味着它具有更好的帕累托前沿近似。

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