Abstract
This paper presents a cooperative co-evolutionary dynamic multi-objective optimization algorithm, i.e., DNSGAII-CO for solving DMOPs based on environmental variable grouping. In this algorithm, a new method of grouping decision variables is first presented, in which all the decision variables are divided into two subcomponents according to whether they are interrelated with or without environment parameters. Then, when cooperatively optimizing the two subcomponents by using two populations, two prediction methods, i.e., differential prediction and Cauchy mutation, are employed to initialize them, respectively. The proposed algorithm is applied to a benchmark DMOPs, and compared with two state-of-the-art algorithms. The experimental results demonstrate that the proposed algorithm outperforms the compared algorithms in terms of convergence and distribution.
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Acknowledgments
This work was jointly supported by National Natural Science foundation of China (No. 61375067, 61473299, 61573361), National Basic Research Program of China (973 Program) (No. 2014CB046306-2), Natural Science foundation of Anhui Province (No. 1608085QG169), and Natural Science Foundation of Anhui Higher Education Institutions (No. KJ2014B17).
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Xu, B., Zhang, Y., Gong, D., Rong, M. (2016). Cooperative Co-evolutionary Algorithm for Dynamic Multi-objective Optimization Based on Environmental Variable Grouping. In: Tan, Y., Shi, Y., Niu, B. (eds) Advances in Swarm Intelligence. ICSI 2016. Lecture Notes in Computer Science(), vol 9712. Springer, Cham. https://doi.org/10.1007/978-3-319-41000-5_56
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DOI: https://doi.org/10.1007/978-3-319-41000-5_56
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