Abstract
In this study, we use a new metaheuristic optimization algorithm, called bat algorithm (BA), to solve constraint optimization tasks. BA is verified using several classical benchmark constraint problems. For further validation, BA is applied to three benchmark constraint engineering problems reported in the specialized literature. The performance of the bat algorithm is compared with various existing algorithms. The optimal solutions obtained by BA are found to be better than the best solutions provided by the existing methods. Finally, the unique search features used in BA are analyzed, and their implications for future research are discussed in detail.
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Acknowledgments
The authors gratefully acknowledge the work and help of Engineer Parvin Arjmandi (The University of Akron).
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Appendix
Appendix
The 13 benchmarked problems
1.1 Problem G 1
The bound constraints:
Global minimum:
1.2 Problem G 2
The bound constraints:
Best-known value:
1.3 Problem G 3
The bound constraints:
Global maximum:
1.4 Problem G 4
where
The bound constraints:
Global minimum:
1.5 Problem G 5
The bound constraints:
Best-known solution:
1.6 Problem G 6
The bound constraints:
Global minimum:
1.7 Problem G 7
The bound constraints:
Global minimum:
1.8 Problem G 8
The bound constraints:
Global maximum:
1.9 Problem G 9
The bound constraints:
Global minimum:
1.10 Problem G 10
The bound constraints:
Global minimum:
1.11 Problem G 11
The bound constraints:
Global maximum:
1.12 Problem G 12
The bound constraints:
Global minimum:
1.13 Problem G 13
The bound constraints:
Global minimum:
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Gandomi, A.H., Yang, XS., Alavi, A.H. et al. Bat algorithm for constrained optimization tasks. Neural Comput & Applic 22, 1239–1255 (2013). https://doi.org/10.1007/s00521-012-1028-9
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DOI: https://doi.org/10.1007/s00521-012-1028-9