Optimization of Reservoir Releases to Control River Sedimentation Using Differential Dynamic Programmingby Carlos C. Carriaga, Arizona State Univ, Tempe, AZ, USA,
Larry W. Mays, (M.ASCE), Arizona State Univ, Tempe, AZ, USA,
Document Type: Proceeding Paper
Abstract: A new methodology is developed to address sedimentation control in alluvial rivers downstream of reservoirs. An optimization model is posed as a discrete-time optimal control problem to determine optimal reservoir releases to minimize downstream aggradation and degradation. The model interfaces the HEC-6 code which solves the hydraulic and sedimentation processes in the river into a differential dynamic programming (DDP) procedure which optimizes the control policy. Two case study scenarios for the New Waddell Dam and the Agua Fria River in Arizona were used as application examples for the optimal control model.
Subject Headings: Sediment | Rivers and streams | Reservoirs | Computer programming | Optimization models | Hydrologic models | Hydraulic models | Dynamic models | Arizona | North America | United States
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