The Pareto fitness genetic algorithm: Test function study

The Pareto fitness genetic algorithm: Test function study

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Article ID: iaor20084672
Country: Netherlands
Volume: 177
Issue: 3
Start Page Number: 1703
End Page Number: 1719
Publication Date: Mar 2007
Journal: European Journal of Operational Research
Authors: , ,
Keywords: programming: multiple criteria
Abstract:

Evolutionary algorithms have shown some success in solving multiobjective optimization problems. The methods of fitness assignment are mainly based on the information about the dominance relation between individuals. We propose a Pareto fitness genetic algorithm in which we introduce a modified ranking procedure and a promising way of sharing; a new fitness function based on the rank of the individual and its density value is designed. This is considered as our main contribution. The performance of our algorithm is evaluated on six multiobjective benchmarks with different Pareto front features. Computational results (quality of the approximation of the Pareto optimal set and the number of fitness function evaluations) proving its efficiency are reported.

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