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Publicação
A multicriteria outranking approach for ship collision risk assessment
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Orientador(es)
Resumo(s)
The paper presents a judgmental expert-based process to assess the ship collision risk using the ELECTRE Tri-nC
multiple criteria outranking method. The approach first establishes a set of criteria deemed important by navigation
experts, all of them experienced nautical officers, to assess the collision risk between two ships in open
waters. A deck of cards-based method is then used to determine the weights of each criterion, according to the
experts’ preferences. Finally, risk categories chosen by the experts are characterised in terms of multiple reference
scenarios, also provided by the experts, and the ELECTRE Tri-nC method is used to assign validation scenarios
to the risk categories. The results are compared with the experts’ assessments of the collision risk for the
same scenarios and also with the individual assessments made by three experts that have not participated in the
development of the decision model.
Descrição
Palavras-chave
Multiple criteria analysis ELECTRE Tri-nC method Expert judgements Ship collision risk assessment
Contexto Educativo
Citação
P. Silveira, A.P. Teixeira, J.R. Figueira, C. Guedes Soares, A multicriteria outranking approach for ship collision risk assessment, Reliability Engineering & System Safety
Editora
Elsevier