Journal of Korea Water Resources Association (한국수자원학회논문집)

Korea Water Resources Association (한국수자원학회)
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A Study on the Fundamental Comparison of Simulation and Optimization Approaches for Water Resources Systems Planning and Management

수자원시스템의 효율적 운영을 위한 시뮬레이션과 최적화 기법의 원론적 비교 연구

  • Kong, Jeong-Taek (Graduate School of Information Management and Security, Korea Univ.) ;
  • Kim, Jaehee (Division of Business Administration, Chonbuk National Univ.) ;
  • Kim, Sheung-Kown (School of Industrial Management Engineering, Korea Univ,)
  • 공정택 (고려대학교 정보경영공학전문대학원) ;
  • 김재희 (전북대학교 경영학부) ;
  • 김승권 (고려대학교 산업경영공학부)
  • Received : 2012.11.01
  • Accepted : 2012.12.13
  • Published : 2013.04.30
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Abstract

For the efficient operation and management of the water resources system, coordinated operation of weirs and reservoirs is required. A simulation based, and an optimization based approaches are available to deal with the operation and management problems. The simulation based approach does not guarantee an optimal solution, and the optimization based approach is not so flexible to consider, complex, nonlinear problems we will face when trying to allocate water to different uses, various demand sectors in a basin. Hence, it is important to develop a model that would compensate for the weak points in both models. We will compare and contrast intrinsic and extrinsic properties of two modeling approaches, addressing issues related to setting system operation and control rules that would lead us to more efficient use of water in the basin. As a result, we propose to use CoWMOM(Coordinated weirs and multi-reservoir operating model), a "simulation based" optimization model for a simple simulation of the past periods, and for the real-time simulation process considering uncertain inflow.

수자원시스템의 효율적인 운영 및 관리를 위해서는 하천 시설물들을 효율적으로 연계운영 할 필요가 있다. 그러나 이를 위한 시뮬레이션 모형은 최선의 대안을 보장하지 못하고, 최적화 모형은 복잡한 수계 현황을 유연하게 고려하는데 어려움이 있다. 따라서 시뮬레이션과 최적화 기법의 한계점을 서로 보완해서 활용하는 것이 바람직하다. 이에 본 연구에서는 시뮬레이션과 최적화 기법의 원론적 비교를 통해 각 기법의 장 단점을 분석하고, 두 방법의 한계점을 극복할 수 있는 시뮬레이션 기반의 최적화 모형, CoWMOM의 활용을 제안한다. 아울러 댐-보 연계운영 모형의 활용방안으로 i) 과거의 특정 기간에 대한 분석 도구로써의 활용법과, ii) 미래 수문 정보가 불확실한 상황에서 댐-보 연계운영을 하는 현실에 적합한 모형 활용 절차를 제시한다.

Keywords

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