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Teaching-learning based optimization with global crossover for global optimization problems

Hai-bin Ouyang, Li-qun Gao, Xiang-yong Kong, De-xuan Zou and Steven Li

Applied Mathematics and Computation, 2015, vol. 265, issue C, 533-556

Abstract: Teaching learning based optimization (TLBO) is a newly developed population-based meta-heuristic algorithm. It has better global searching capability but it also easily got stuck on local optima when solving global optimization problems. This paper develops a new variant of TLBO, called teaching learning based optimization with global crossover (TLBO-GC), for improving the performance of TLBO. In teaching phase, a perturbed scheme is proposed to prevent the current best solution from getting trapped in local minima. And a new global crossover strategy is incorporated into the learning phase, which aims at balancing local and global searching effectively. The performance of TLBO-GC is assessed by solving global optimization functions with different characteristics. Compared to the TLBO, several modified TLBOs and other promising heuristic methods, numerical results reveal that the TLBO-GC has better optimization performance.

Keywords: Teaching learning based optimization; Global optimization; Crossover (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:265:y:2015:i:c:p:533-556

DOI: 10.1016/j.amc.2015.05.012

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