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基于SWMM的城市闸泵群防洪排涝滚动优化控制研究

Optimal Rolling Control of Urban Sluice Pump Group to Decrease Flood Risk of a Drainage System Based on SWMM

  • 摘要: 充分发挥管网调蓄能力,是应对城市内涝的重要手段。已有研究均针对于削减系统溢流量单一目标设计调度策略,缺乏考虑闸门开闭频繁造成的电力损耗和故障风险。为此,提出一种以削减系统溢流量和闸门开闭次数为优化目标的城市闸泵滚动优化控制模型,以美国诺福克海牙街区为对象开展实例研究。相比于静态调度,优化控制模型溢流削减率达到31.2%;相比于以削减溢流量为单一目标的调度方案,在保证排水系统溢流量基本不增加的同时,闸门开闭减少了59.80%。提出的方法能够为城市内涝时排水系统的调度方案的制定提供理论依据和科学指导。

     

    Abstract: Improving the regulation and storage capacity of pipe networks is an important research topic in relieving urban waterlogging disasters. Studies have been conducted to design scheduling strategies with the single objective of reducing system overflow, lacking consideration of the loss and risk caused by frequent gate openings and closings.To address this issue, this paper proposes an optimal rolling control model for an urban sluice pump group drainage system with the optimization goal of reducing system overflow and gate opening and closing times, using the neighbourhood of The Hague in Norfolk as an exemplary study. The overflow volume of the optimal rolling control model is 31.2%lower than the value of static scheduling.The gate opening and closing times of this model are 59.8% lower than the dispatching scheme with the single goal of reducing the overflow, while the overflow of the drainage system has been reduced.The proposed method is helpful for the formulation of a dispatching scheme of urban drainage system in case of waterlogging.

     

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