학술논문
Analysis of Economic Lifespan for Replacement Policy of Container Ship using Fuzzy Interval Numbers
이용수 7
- 영문명
- 발행기관
- 한국항해항만학회
- 저자명
- Woon-Jae Jang
- 간행물 정보
- 『한국항해항만학회지』제35권 제2호, 173~178쪽, 전체 6쪽
- 주제분류
- 공학 > 해양공학
- 파일형태
- 발행일자
- 2011.03.30
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국문 초록
영문 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.
목차
1. Introduction
2. Equipment Lifespan Method and Fuzzy Number
3. Development of Fuzzy Annual Equivalent Cost Model
4. Application of Fuzzy Annual Equivalent Cost Model
5. Conclusion
키워드
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참고문헌
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