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On spanning-tree recombination in evolutionary large-scale network problems - application to electrical distribution planning

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3 Author(s)
P. M. S. Carvalho ; Dept. de Engenharia Electrotecnica e de Comput., Instituto Superior Tecnico, Lisbon, Portugal ; L. A. F. M. Ferreira ; L. M. F. Barruncho

We report the key algorithms involved in the recombination-based evolutionary software developed for planning electrical distribution networks. We focus on the dimensionality problem of large-scale networks and on the specificities of its search space. We report the difficulties in handling topology constraints and present both the geno-type and the operators to overcome such difficulties. The operators are designed to process meaningful topological information as geno-type substructures and turn the radiality and connectivity into genetic transmissible properties. First, a theoretical example is presented to illustrate important differences between other common approaches and the approach taken. Then, a real electrical industry application is presented to illustrate the ability of the approach to handle large-scale distribution-network problems

Published in:

IEEE Transactions on Evolutionary Computation  (Volume:5 ,  Issue: 6 )