水电站管理策略:一种简单的动态规划方法
Management strategies for hydropower plants a simple dynamic programming approach
AI总结:
针对带大坝和连续可调机组的水电站,提出基于动态规划的管理策略,结合历史数据和预测估计未知变量,以小计算量实现理论最大值的97.1%,在数据丰富时优于复杂的基于PDE的最优切换方法。
摘要:
我们采用动态规划方法为带有大坝和连续可调机组的水电站构建管理策略。在此过程中,我们利用历史数据和预测通过简单模型估计未知变量。我们提出的方案以较小的计算量平均实现了理论最大值的97.1%。我们还将该方案应用于径流式水电站,并将策略和结果与作者此前在《Optimization and Engineering(2021):1-25》中研究的更复杂的基于PDE的最优切换方法进行比较;该比较表明,若基础数据足够丰富,我们的简单方法可能更优。
英文摘要:
We use a dynamic programming approach to construct management strategies for a hydropower plant with a dam and a continuously adjustable unit. Along the way, we estimate unknown variables via simple models using historical data and forecasts. Our suggested scheme achieves on average 97.1 % of the theoretical maximum using small computational effort. We also apply our scheme to a Run-of-River hydropower plant and compare the strategies and results to the much more involved PDE-based optimal switching method studied earlier by the authors in (Optimization and Engineering (2021): 1-25); this comparison shows that our simple approach may be preferable if the underlying data is sufficiently rich.
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