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浙江大学学报(工学版)
J4  2011, Vol. 45 Issue (9): 1598-1602    DOI: 10.3785/j.issn.1008-973X.2011.09.015
    
Flow-based co-schedule optimal control of urban drainage system
YANG Cheng-cheng,WANG Xiong-hai
College of Electric Engineering,Zhejiang University,Hangzhou 310027,China
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Abstract  

Because of wastewater overflow and high-lift high power cost problems caused by uncertainty inflow and dispatching function deficiency in urban drainage systems, a flow-based co-schedule optimal control strategy for urban sewage discharge was proposed. A mathematical model was built based on the typical topological structure of urban drainage systems, and the calculation equations for inflow of every pumping station were established. According to the relationships among the sewage inflow, flux and water level of relevant pumping stations, the system simulation of flow discharge with the co-schedule control strategy was done, and the dispatching experiment on the spot was carried out with the platform constructed in network control mode. The results indicate that the flow-based optimal scheduling algorithm can improve the coordination performance of the urban drainage system, get a large flow capacity, and provide high security of sewage discharge while maintain the low-lift of pumps to raise the energy-saving effect.

Published: 01 September 2011
CLC:  TP 273.1  
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Cite this article:

YANG Cheng-cheng,WANG Xiong-hai. Flow-based co-schedule optimal control of urban drainage system. J4, 2011, 45(9): 1598-1602.

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https://www.zjujournals.com/eng/10.3785/j.issn.1008-973X.2011.09.015     OR     https://www.zjujournals.com/eng/Y2011/V45/I9/1598


基于流量的城市排水系统协调优化调度方法

针对城市污水排放系统进水量不确定、调度功能缺乏,易引起污水外溢或高扬程大耗能排水问题,提出一种基于流量的城市排水协调调度控制策略.依据典型排水拓扑结构图建立排放系统数学模型,并构建了输入流量计算方程.由各泵站间污水流入、排出量与进水池水位的关系对系统做流量排放协调调度的仿真，并通过已构建的网络控制平台进行了现场调度模拟试验.结果表明：基于流量的优化调度方法可提升排水系统的协调性能,获得好的过流能力,提高污水的安全排放水平,同时能保持低扬程排放运行获取好的节能效果.

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