首页|Optimization of an auto drum fashioned brake using the elite opposition-based learning and chaotic k-best gravitational search strategy based grey wolf optimizer algorithm
Optimization of an auto drum fashioned brake using the elite opposition-based learning and chaotic k-best gravitational search strategy based grey wolf optimizer algorithm
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NSTL
Elsevier
Highly non-linear optimization problems are widely found in many real-world engineering applications. To tackle these problems, a novel assisted optimization strategy, named elite opposition-based learning and chaotic k-best gravitational search strategy (EOCS), is proposed for the grey wolf optimizer (GWO) algorithm. In the EOCS based grey wolf optimizer (EOCSGWO) algorithm, the elite opposition-based learning strategy (EOBLS) is proposed to take full advantage of better-performing particles for optimization in the next generations. A chaotic k-best gravitational search strategy (CKGSS) is proposed to obtain the adaptive step to improve the global exploratory ability. The performance of the EOCSGWO is verified and compared with those of other seven meta-heuristic optimization algorithms using ten popular benchmark functions. Results show that the EOCSGWO is more competitive in accuracy and robustness, and obtains the first in ranking among the six optimization algorithms. Further, the EOCSGWO is employed to optimize the design of an auto drum fashioned brake. The results show that the braking efficiency factor can be improved by 28.412% compared with the initial design.
Chaotic k-best gravitational searchGrey wolf optimizer algorithmOpposition-based learningParameter identification
Yuan Y.、Zhao Y.、Mu X.、Shao X.、Ren J.、Wang Z.
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School of Mechanical and Power Engineering Henan Polytechnic University
School of Mechanical Engineering Dalian University of Technology
School of Safety Science and Engineering Henan Polytechnic University
School of Computer Science and Technology Henan Polytechnic University
NSTL
Elsevier
