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      Solving dynamic multi-objective problems with a new prediction-based optimization algorithm

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          Abstract

          This paper proposes a new dynamic multi-objective optimization algorithm by integrating a new fitting-based prediction (FBP) mechanism with regularity model-based multi-objective estimation of distribution algorithm (RM-MEDA) for multi-objective optimization in changing environments. The prediction-based reaction mechanism aims to generate high-quality population when changes occur, which includes three subpopulations for tracking the moving Pareto-optimal set effectively. The first subpopulation is created by a simple linear prediction model with two different stepsizes. The second subpopulation consists of some new sampling individuals generated by the fitting-based prediction strategy. The third subpopulation is created by employing a recent sampling strategy, generating some effective search individuals for improving population convergence and diversity. Experimental results on a set of benchmark functions with a variety of different dynamic characteristics and difficulties illustrate that the proposed algorithm has competitive effectiveness compared with some state-of-the-art algorithms.

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          Most cited references55

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          A fast and elitist multiobjective genetic algorithm: NSGA-II

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            Salp Swarm Algorithm: A bio-inspired optimizer for engineering design problems

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              MOEA/D: A Multiobjective Evolutionary Algorithm Based on Decomposition

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                Author and article information

                Contributors
                Role: InvestigationRole: Methodology
                Role: Methodology
                Role: MethodologyRole: Resources
                Role: Methodology
                Role: Editor
                Journal
                PLoS One
                PLoS One
                plos
                PLoS ONE
                Public Library of Science (San Francisco, CA USA )
                1932-6203
                2021
                3 August 2021
                : 16
                : 8
                : e0254839
                Affiliations
                [1 ] School of Computer Science and Technology, Jiangsu Normal University, Xuzhou, CO, China
                [2 ] School of Computer Science, University of Lincoln, Lincoln, CO, United Kingdom
                [3 ] School of Computer Science and Informatics, De Montfort University, Leicester, United Kingdom
                Torrens University Australia, AUSTRALIA
                Author notes

                Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

                Author information
                https://orcid.org/0000-0003-3362-6416
                Article
                PONE-D-21-11897
                10.1371/journal.pone.0254839
                8330920
                34343178
                bc376e04-6bbc-4911-a084-4c1b690775f7
                © 2021 Zhang et al

                This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                : 13 April 2021
                : 4 July 2021
                Page count
                Figures: 7, Tables: 17, Pages: 39
                Funding
                Funded by: funder-id http://dx.doi.org/10.13039/501100001809, National Natural Science Foundation of China;
                Award ID: 62006103
                Award Recipient :
                Funded by: Jiangsu Meteorological Science Institute (CN)
                Award ID: 20KJB110021
                Award Recipient :
                Funded by: funder-id http://dx.doi.org/10.13039/501100001809, national natural science foundation of china;
                Award ID: 61872168
                Award Recipient :
                This work is supported by the National Natural Science Foundation of China under Grants 62006103 and 61872168, in part by the Jiangsu national science research of high education under Grand 20KJB110021.
                Categories
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