PROJETO MULTICRITÉRIO DE REDES DE TRANSPORTES UTILIZANDO O MÉTODO DA CONTRAÇAO DO CONE
DOI:
https://doi.org/10.14295/transportes.v3i2.319Abstract
Este artigo aborda o problema do projeto de uma rede de transportes em presença de múltiplos critérios através do método da contração do cone. O uso do método implica nas seguintes etapas de calculo: (1) geração de um pequeno subconjunto de pontos não-dominados; (2) construção de uma relação de subordinação nebulosa; (3) construção de duas ordens no conjunto de pontos não dominados previamente obtidos pela utilização da destilação ascendente e descendente; (4) construção de duas funções de escalarização por regressão ordinal; (5) construção do cone de preferências no espaço de critérios; (6) exploração interativa dos subconjuntos não-dominados definidos pelo cone; (7) verificação da existência de uma solução de compromisso; e (8) realimentação. O artigo inclui um exemplo numérico.
Abstract:
This paper tackles the problem of designing a transportation network under multiple criteria via the cone contraction method. The use of this method implies the following steps: ( 1) generating a small subset of non-dominated points; (2) construction of a fuzzy outranking relation; (3) construction of two orders in the previously obtained set of non-dominated points, by making use of ascending and descending distillation; (4) accessment of two scalarizing functions by using ordinal regression; (5) construction of the preference cone in the criteria space; (6) interactive exploration of the non-dominated subsets defined by the cone; (7) chec of the existence of a compromise solution; and (8) feedback. A numerical example is given.
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