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本文应用大系统随机控制理论,提出了面临时段有无径流预报的水电站群长期优化调度随机递阶控制方法。它不仅可同时考虑水电站群入库径流、水库蓄放水序列间的时、空随机相关,避免了“维数灾”,而且给出了简单易行的水库群最优放水决策规则,以便对水电站群调度实现计算机控制。该法是解决入库径流、水库蓄放水时空随机相关多目标多水库非线性优化调度问题的一条新途径。
In this paper, the stochastic control theory of large-scale system is applied to propose a stochastic hierarchical control method for hydropower station group long-term optimal scheduling with or without runoff forecast. It not only can consider both the runoff of reservoir group and the time and space between reservoirs, but also avoids “dimensionality disaster”, and gives the simple and easy decision rule of optimal drainage for reservoir group, Group scheduling to achieve computer control. The method is a new way to solve the problem of non-linear optimal scheduling of multi-objective multi-reservoir with stochastic correlation of reservoir runoff and reservoir stowage.