Mobile QR Code QR CODE : Journal of the Korean Society of Civil Engineers
Title Fuzzy Optimal Reservoir Operation Considering Abnormal Flood
Authors 최창원(Choi, Changwon) ; 유명수(Yu, Myung Su) ; 이재응(Yi, Jaeeung)
DOI https://doi.org/10.12652/Ksce.2012.32.4B.221
Page pp.221-232
ISSN 10156348
Keywords 퍼지제어기법;저수지최적운영;저수지 연계운영;이상홍수 fuzzy control technique;optimal reservoir operation;reservoir system operation;abnormal flood
Abstract In this study, the model enhancing the safety of reservoirs and reducing the downstream flood damage by reservoirs system operation during abnormal flood was developed. Linear programming was used for the optimal reservoirs system operation during an abnormal flood and fuzzy inference system was introduced to solve the uncertainty problem which is included in hydrological factors like inflow, water level and inflow variation of reservoir operation. The linear programming model determined the optimal reservoir system operation rules and could be used in situation where water demands varies rapidly during the abnormal flood events using fuzzy control technique. In this study, the optimal reservoirs system operation for Andong and Imha reservoirs located in the upper basin of Nakdong river was performed in order that the design flood discharge at Andong city would not be exceeded for the design flood of 100 year and PMF(Probable Maximum Flood). And the model that determines the release according to the downstream flow discharge, the reservoir storage, the inflow and the inflow variation of each reservoir was developed using the optimal system operation result and fuzzy control technique. The developed model consisted of 224 fuzzy rules according to the conditions of Andong reservoir, Imha reservoir and Andong city. And the release from each reservoir could be determined when the current data are used as input data through the developed GUI.