Multiple Exponential Recombination for Differential Evolution

Xin Qiu

doi:10.1109/TCYB.2016.2536167

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Multiple Exponential Recombination for Differential Evolution

2017-04-01

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Xin Qiu *

Kay Chen Tan

Jian‐Xin Xu

DOI：10.1109/TCYB.2016.2536167

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Abstract

En 中文

Differential evolution (DE) is a popular populationbased metaheuristic approach for solving numerical optimization problems. In recent years, considerable research has been devoted to the development of new mutation strategies and parameter adaptation mechanisms. However, as one of the basic algorithmic components of DE, the crossover operation has not been sufficiently examined in existing works. Most of the main DE variants solely employ traditional binomial recombination, which has intrinsic limitations in handling dependent subsets of variables. To fill this research niche, we propose a multiple exponential recombination that inherits all the main advantages of existing crossover operators while possessing a stronger ability in managing dependent variables. Multiple segments of the involved solutions will be exchanged during the proposed operator. The properties of the new scheme are examined both theoretically and empirically. Experimental results demonstrate the robustness of the proposed operator in solving problems with unknown variable interrelations.

Keywords:

Crossover operator

differential evolution (DE)

variable interrelation

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