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Dynamic Multiobjective Evolutionary Optimization via Knowledge Transfer and Maintenance
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AI
DOI：10.1109/TSMC.2023.3322718.png)
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摘要
En 中文
This article suggests a new dynamic multiobjective evolutionary algorithm (DMOEA) with Knowledge Transfer and Maintenance, called KTM-DMOEA, which aims to alleviate the negative transfer and enhance the optimization efficiency. Two strategies, i.e., knowledge transfer prediction (KTP) and knowledge maintenance sampling (KMS), are proposed to excavate useful knowledge from historical environments. Particularly, KTP is a discriminative predictor designed to reduce the feature and distribution divergences across distinct environments, which classifies high-quality solutions from a large number of randomly generated solutions in new environment. Moreover, KMS is a generative predictor by modeling the distribution of elitist solutions in last environment, which can sample superior solutions in new environment according to the dynamic change trends. In this way, the advantages of KTP and KMS strategies are combined to produce a superior initial population in new environment, which help to alleviate the negative transfer and resultantly enhance the overall performance of KTM-DMOEA. When compared to several recently reported DMOEAs, the experimental results validate the advantages of KTM-DMOEA in tackling most cases of benchmark and real-world problems.
Keyword:
Optimization
Maintenance engineering
Heuristic algorithms
Sociology
Knowledge transfer
Diversity reception
Transfer learning
Dynamic multiobjective optimization
evolutionary algorithm
knowledge maintenance
knowledge transfer
期刊
IF:
10.5
论文数:
1.1W
被引数:
5.0W
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