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Deterministic and Stochastic Optimization of a Reservoir System
Stochastic Dynamic Programming and Deterministic Dynamic Programming techniques are used in this study to optimize a reservoir system under a max-min type of objective function to maximize the on-peak firm energy generation. This paper shows that SDP is not appropriate for the optimization as it significantly overestimates the firm energy targets while DDP resulted in very reasonable on-peak firm energy targets. An advantage of this objective function under DDP optimization is that it facilitates the sequential optimization of complex reservoir systems and successfully avoids the problem of dimensionality. The local optimum achieved by the sequential optimization is comparable with the global optimum. Implicit stochastic schemes are used to incorporate the stochastic behavior of the system in optimization. Simulation of the system with the optimum on-peak firm energy targets and synthetic flow series have resulted in high reliabilities for targets from DDP while those from SDP are very low.
Deterministic and Stochastic Optimization of a Reservoir System
Stochastic Dynamic Programming and Deterministic Dynamic Programming techniques are used in this study to optimize a reservoir system under a max-min type of objective function to maximize the on-peak firm energy generation. This paper shows that SDP is not appropriate for the optimization as it significantly overestimates the firm energy targets while DDP resulted in very reasonable on-peak firm energy targets. An advantage of this objective function under DDP optimization is that it facilitates the sequential optimization of complex reservoir systems and successfully avoids the problem of dimensionality. The local optimum achieved by the sequential optimization is comparable with the global optimum. Implicit stochastic schemes are used to incorporate the stochastic behavior of the system in optimization. Simulation of the system with the optimum on-peak firm energy targets and synthetic flow series have resulted in high reliabilities for targets from DDP while those from SDP are very low.
Deterministic and Stochastic Optimization of a Reservoir System
Ratnayake, Uditha (author) / Harboe, Ricardo (author)
Water International ; 32 ; 155-162
2007-03-01
8 pages
Article (Journal)
Electronic Resource
Unknown
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