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Navy Warship Selection and Multicriteria Analysis: The THOR Method Supporting Decision Making

2020; Springer International Publishing; Linguagem: Inglês

10.1007/978-3-030-56920-4_3

2194-1017

Fabrício Maione Tenório, Marcos dos Santos, Carlos Francısco Sımões Gomes, Jean de Carvalho Araujo,

Multi-Criteria Decision Making

Due to successive budget restrictions, Brazilian Navy currently has an undersized fleet of only eleven escort ships, many of which are nearing the end of their useful lives. It's estimated that in 2024, when the first Tamandaré class frigate is due to be delivered, the country will have only five escort ships in operation. Thus, it is expected that Brazilian Navy will make opportunity purchases, in order to maintain the readiness of the fleet. The article aims to select a ship for purchase, among eight ships used by navies around the world, through Multicriteria Decision Aiding Hybrid Algorithm (THOR), identifying the alternative that "best" satisfies the replenishment of escorts. The use of pertinence associated with the values of the alternatives made it possible to quantify and include uncertainty in the decision-making process. In the result generated by THOR, the LCF alternative obtained the highest score in the three ordering types (S1, S2 and S3).