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Improving crossover operator for real-coded genetic algorithms using virtual parents

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Abstract

The crossover operator is the most innovative and relevant operator in real-coded genetic algorithms. In this work we propose a new strategy to improve the performance of this operator by the creation of virtual parents obtained from the population parameters of localisation and dispersion of the best individuals. The idea consists of mating these virtual parents with individuals of the population. In this way, the offspring are created in the most promising regions. This strategy has been incorporated into several crossover operators. After analysing the results we can conclude that this strategy significantly improves the performance of the algorithm in most problems analysed.

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Authors and Affiliations

  1. Department of Computing and Numerical Analysis, University of Córdoba, Córdoba, Spain

    Domingo Ortiz-Boyer, César Hervás-Martínez & Nicolás García-Pedrajas

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  1. Domingo Ortiz-Boyer
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  2. César Hervás-Martínez
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  3. Nicolás García-Pedrajas
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Correspondence to Domingo Ortiz-Boyer.

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Ortiz-Boyer, D., Hervás-Martínez, C. & García-Pedrajas, N. Improving crossover operator for real-coded genetic algorithms using virtual parents. J Heuristics 13, 265–314 (2007). https://doi.org/10.1007/s10732-007-9018-2

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