The Research on Optimal Real-time Operation Model for Reservoir Flood Control
Date Issued
2010
Date
2010
Author(s)
Yang, Ai-Yun
Abstract
The purpose of this study is to invent an optimal real-time operation model for reservoir flood control. This model can help the reservoir operator to decide the optimal releasing water at once for reducing the opportunity of flood loss, and retains sufficient water in the reservoir for supplying people after typhoon period.
This optimal real-time operation model is constructed from BP inflow forecasting model and ANFIS outflow deciding model. For training and verifying ANFIS model, the input layer vectors are influent factors determined from higher Spearman’s Rank correlation coefficient on outflow, and the output layer vectors are the outflow hydrograph values decided by reservoir flood control optimization model.
The optimal real-time operation model is applied to Zengwun Reservoir system with two typhoon events. Compare the ending water level of reservoir after typhoon period and peak discharge of downstream control point with the historical results, the water level and peak discharge of optimal real-time operation model are closer and smaller than historical results, respectively. Therefore the deciding process of optimal real-time operation model is better than historical operation results.
Subjects
Real-time operation
Inflow forecasting
Optimal model
Spearman’s Rank correlation coefficient
Type
thesis
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