科研之友
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摘要
This paper proposes a reliability analysis system, which can be widely applied to the cases in which a reservoir is operated to meet several purposes such as flood control, energy generation, irrigation, domestic and industrial water supply, etc. The presented system has a structure of three levels.
1. Decision-making.
2. Tradeoff analysis.
3. The third level that mainly consists of three subsystems:
i - The reservoir flood risk analysis subsystem by flood control simulation.
ii-The benefit promotion subsystem of reservoir operation using Stochastic Dynamic Programming. In this subsystem, the Lagrange multipliers are introduced into the objective function to take into account the water supply failures. This method guarantees that each run of the SDP will necessarily derive a non-inferior policy for reservoir operation.
iii -The reservoir operation simulation subsystem to derive the performance indices associated with the reservoir operation policies.
With the input and feedback between the second level and the subsystems of the third level, a great deal of efficient operation policies and the associated performance indices can be obtained. Then the tradeoff relationships between different performance indices can be derived for the decision makers. With application to Yudong Reservoir in Yunnan province of China, the presented analysis system is practically tested.
