국내 해상 풍력발전 전용항만 입지선정에 관한 연구
A Study on the Site Selection for the Offshore Windfarm Port
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초록
본 연구에서는 해상 풍력발전 전용항만과 같은 복잡한 의사결정 상황에서 가용한 정보의 한계 및 오류를 최소화하고자 Fuzzy-AHP와 ELECTRE III 기법을 통합한 의사결정 모델을 제시하였다. Fuzzy-AHP기법은 인간의 판단에 대한 애매성을 극복하면서 의사결정 문제를 계층적으로 구조화하는 장점을 제공한다. 또한 ELECTRE III 기법은 대안들을 둘씩 짝지어 비교함으로써 우열을 가리게 되는 과정을 거치게 되며, 평가기준의 성과치의 불확실성 및 부정확성을 고려한 의사기준, 즉 무차별 임계치, 선호 임계치, 반대 임계치의 변화에 따른 대안간의 퍼지 순위선호개념을 적용하여 대안들의 순위를 체계적으로 결정케 하는 의사결정 모델이다.
Abstract
The aim of this study is to propose a methodology for the selection of the best offshore wind farm port based on an integrated fuzzy AHP-ELECTE III approach. In the proposed methodology, the criteria weights are generated by a fuzzy AHP procedure in which the fuzzy set theory is a mean for capturing uncertainty arising from human mental phenomena. The usage of fuzzy sets in describing uncertainties and vagueness in the evaluation criteria simplifies the complex structure of the selection of offshore wind farm port. The evaluation criteria in the study are the accumulation factor, the regional factor, the economic factor, the location factor, and the consortium factor. Next, the ELECTRE III as a fuzzy outranking methodology is used to assess the degree of outranking associated with each pair of alternatives consisting of five candidate regions along the west coast in Korea. Finally a fuzzy dominance relation methodology is used to rank the alternatives from the best to the least. In addition, a sensitivity analysis is provided that the ranking among the alternatives is not highly sensitive to the change in the weights of the evaluation criteria.
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