Dynamic Selection Preference-Assisted Constrained Multiobjective Differential Evolution
Dynamic Selection Preference-Assisted Constrained Multiobjective Differential Evolution
复制标题
动态选择偏好辅助约束多目标差分进化
DOI:
10.1109/tsmc.2021.3061698
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发表时间:
2021-03
期刊:
影响因子:
--
通讯作者:
Caitong Yue
中科院分区:
文献类型:
--
作者:
Kunjie Yu;Jing Liang;Boyang Qu;Yong Luo;Caitong Yue
Solving constrained multiobjective optimization problems brings great challenges to an evolutionary algorithm, since it simultaneously requires the optimization among several conflicting objective functions and the satisfaction of various constraints. Hence, how to adjust the tradeoff between objective functions and constraints is crucial. In this article, we propose a dynamic selection preference-assisted constrained multiobjective differential evolutionary (DE) algorithm. In our approach, the selection preference of each individual is suitably switching from the objective functions to constraints as the evolutionary process. To be specific, the information of objective function, without considering any constraints, is extracted based on Pareto dominance to maintain the convergence and diversity by exploring the feasible and infeasible regions; while the information of constraint is used based on constrained dominance principle to promote the feasibility. Then, the tradeoff in these two kinds of information is adjusted dynamically, by emphasizing the utilization of objective functions at the early stage and focusing on constraints at the latter stage. Furthermore, to generate the promising offspring, two DE operators with distinct characteristics are selected as components of the search algorithm. Experiments on four test suites including 56 benchmark problems indicate that the proposed method exhibits superior or at least competitive performance, in comparison with other well-established methods.
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