Selection of Launch Sites: An Ensemble of MCDM Methods with Discrete Single-Valued Neutrosophic Number Evaluation

Information from the abstract

Space economy involves all activities and resource allocations that generate additional economic and societal benefits through space exploitation. The development of space infrastructure enables a wider range of economic activities. Regarding economic sustainability and national security, the possession of the launch site within national territory is of utmost importance. This paper presents a methodology for selecting launch sites based on linguistic term evaluation using a Discrete Single-Valued Neutrosophic Number (DSVNN) representation. The existence of support makes the DSVNN interpretable, which is not possible in the case of Single-Valued Neutrosophic Number (SVNN) with only specific values of truth, indeterminacy, and falsity degrees. An ensemble of five widely well-known MCDM methods, namely TOPSIS, CODAS, COPRAS, EDAS, and MOORA, are used in the decision-making process. The whole procedure is then applied to the launch site selection in Thailand. All MCDM methods result in the same top priority location, U-Tapao Rayong–Pattaya International Airport, Chonburi. The weight sensitivity analysis and the method cross-validation are applied to test the robustness of the result.

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Related topics: Multi-Criteria Decision Making · Spacecraft Dynamics and Control · Satellite Communication Systems