Analysis of Economic Lifespan for Replacement Policy of Container Ship using Fuzzy Interval Numbers
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초록
This study determined the ship replacement life expectancy from an economic perspective. There are many ambiguities in the cost for calculation of economic lifespan, and these were expressed as fuzzy numbers. Also, a fuzzy cost model using fuzzy numbers was developed and suggested as a more practical analysis method than the existing cost model. And the suggested fuzzy model was used to determine the economic lifespan for various types of container ships. As the result, Without fuzziness, the economic lifespan of 5000 TEU Ships was found to be 19 years. it was found that the greater the container ship, the greater the economic lifespan was.
Abstract
This study determined the ship replacement life expectancy from an economic perspective. There are many ambiguities in the cost for calculation of economic lifespan, and these were expressed as fuzzy numbers. Also, a fuzzy cost model using fuzzy numbers was developed and suggested as a more practical analysis method than the existing cost model. And the suggested fuzzy model was used to determine the economic lifespan for various types of container ships. As the result, Without fuzziness, the economic lifespan of 5000 TEU Ships was found to be 19 years. it was found that the greater the container ship, the greater the economic lifespan was.
참고문헌 (7)
- Bae,E.H., "The Analysis of Distribution Characteristic on the Operation Cost for Respective Transportme and Travel Speed of New Transit System Bi-Modal Tram", Proceeding of The Korean Society for Railway Conference, pp.2297~2302 (2010)
- Chang,P.T, "Fuzzy strategic replacement analysis", European Journal of Operational Research, 160, pp.532~559 (2005)
- 강인준, "지형정보를 이용한 도로의 최적 유지관리 비용 산정", 한국측량학회지, 20(4), pp.367~374 (2002), 한국측량학회
- Kim,T.H., "Dynamic Programming Model for Determining Optimal Replacement Policy for a Problem with Multiple Challengers", Proceeding of Journal of the Korean Operations Research and Management Science Society Conference, pp.583~ (1999)
- 박두진, "정기선 선복 확보를 위한 Space Chartering의 경제성에 관한 연구", 한국항해항만학회지, 30(8), pp.663~669 (2006), 한국항해항만학회
- Terborgh,G, "Dynamic Equipment Policy" (1949), McGraw-Hill
- Terborgh,G, "Business Investment Policy, Machinery and Allied Products Institute" (1958)