Journal
APPLIED MATHEMATICS AND COMPUTATION
Volume 369, Issue -, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.amc.2019.124872
Keywords
Memetic sine cosine algorithm; Cauchy mutation operator; Chaotic local search; Opposition-based learning; Differential evolution; Constrained mathematical modeling
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Funding
- National Natural Science Foundation of China [U1809209]
- Science and Technology Plan Project of Wenzhou, China [2018ZG012]
- Guangdong Natural Science Foundation [2018A030313339]
- MOE (Ministry of Education in China) Youth Fund Project of Humanities and Social Sciences [17YJCZH261]
- Scientific Research Team Project of Shenzhen Institute of Information Technology [SZIIT2019KJ022]
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The Sine Cosine Algorithm (SCA) has received much attention from engineering and scientific fields since it was proposed. Nevertheless, when solving multimodal or complex high dimensional optimization tasks, the conventional SCA still has a high probability of falling into the local optimal stagnation or failing to obtain the global optimum solution. Additionally, it performspoorly in convergence. Therefore, in this study, a multi-strategy enhanced SCA, a memetic algorithm termed MSCA, is proposed, which combines multiple control mechanisms including Cauchy mutation operator, chaotic local search mechanism, opposition-based learning strategy and two operators based on differential evolution to achieve a better balance between exploration and exploitation. To verify its performance, MSCA was compared with 11 state-of-the-art original optimizers and variant algorithms on 23 continuous benchmark tasks including 7 unimodal tasks, 6 multimodal tasks, 10 various fixed-dimension multimodal functions, and several typical CEC2014 benchmark problems. Furthermore, MSCA was utilized to solve three constrained practical engineering problems including tension/compression spring design, welded beam design, and pressure vessel design. The experimental results demonstrate that the proposed algorithm MSCA is superior to other competitors in terms of quality of solutions and convergence speed and can serve as an effective andefficient computer-aided tool for practical tasks with complex search space. (C) 2019 Elsevier Inc. All rights reserved.
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