期刊
INFORMATION SCIENCES
卷 467, 期 -, 页码 15-34出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ins.2018.07.071
关键词
Constrained optimization problems; Multiobjective optimization; is an element of-Constrained method; Differential evolution
资金
- National Natural Science Foundation of China [61502544, 61332002]
This paper develops a novel algorithm to solve real-world constrained optimization problems, which hybridizes multiobjective optimization techniques with an is an element of-constrained method. First, a constrained optimization problem at hand is transformed into a biobjective optimization problem. By the transformation, the advantage of multiobjective optimization techniques can be utilized in the constrained optimization area to balance population diversity and convergence. Meanwhile, the is an element of-constrained method is applied, which keeps the population evolving toward feasible region of the constrained optimization problem. In our proposed algorithm, the differential evolution is employed as a search engine to create offspring at each generation. Further, different combinations of mutation operators have been developed to improve the search ability and the population convergence at different stages. The performance of our approach is evaluated on 64 benchmark test functions from three popular test suits. Experimental results demonstrate that our proposed approach is capable of obtaining high-quality solutions on the majority of benchmark test functions, when compared with some other state-of-the-art constrained optimization algorithms. (C) 2018 Elsevier Inc. All rights reserved.
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