산업공학 (IE interfaces)

  • 제24권3호
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  • Pages.220-230
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  • 2011
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  • 1225-0996(pISSN)
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  • 2234-6465(eISSN)
대한산업공학회 (Korean Institute of Industrial Engineers)
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유입량의 변동성을 고려한 Fuzzy DEA 기반의 댐 군 연계운영 가중치 대안 평가

An Evaluation of Multi-Reservoir Operation Weighting Coefficients Using Fuzzy DEA taking into account Inflow Variability

  • 김용기 (고려대학교 정보경영공학전문대학원) ;
  • 김재희 (전북대학교 경영학부) ;
  • 김승권 (고려대학교 기술경영전문대학원)
  • Kim, Yong-Ki (Graduate School of Information Management and Security, Korea University) ;
  • Kim, Jae-Hee (Division of Business Administration, Chonbuk National University) ;
  • Kim, Sheung-Kown (School of Industrial Management Engineering, Korea University)
  • 투고 : 2011.02.01
  • 심사 : 2011.04.26
  • 발행 : 2011.09.01
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초록

The multi-reservoir operation problem for efficient utilization of water resources involves conflicting objectives, and the problem can be solved by varying weight coefficient on objective functions. Accordingly, decision makers need to choose appropriate weight coefficients balancing the trade-offs among multiple objectives. Although the appropriateness of the weight coefficients may depend on the total amount of water inflow, reservoir operating policy may not be changed to a certain degree for different hydrological conditions on inflow. Therefore, we propose to use fuzzy Data Envelopment Analysis (DEA) to rank the weight coefficients in consideration of the inflow variation. In this approach, we generate a set of Paretooptimal solutions by applying different weight coefficients on Coordinated Multi-reservoir Operating Model. Then, we rank the Pareto-optimal solutions or the corresponding weight coefficients by using Fuzzy DEA model. With the proposed approach, we can suggest the best weight coefficients that can produce the appropriate Pareto-optimal solution considering the uncertainty of inflow, whereas the general DEA model cannot pinpoint the best weight coefficients.

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참고문헌

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