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Optimal scheduling and control of a sewer pump under stochastic inflow pattern
Urban Water Journal ( IF 1.6 ) Pub Date : 2021-03-22 , DOI: 10.1080/1573062x.2021.1893358
Oreste Fecarotta 1 , Luigi Cimorelli 1
Affiliation  

ABSTRACT

The optimal scheduling of water pumping systems has gained a lot of attention in the research community. Nevertheless, the advancements obtained in water distribution networks were not transferred to urban drainage sewer systems, due to the reduced storage volumes of the wet wells and the high flows variability. Moreover, the use of variable speed drives, which are required to face the flow variability, makes the problem more complex. In this paper, the authors present an optimization method for the regulation of a pump in a separate foul sewer system under variable inflow. A stochastic model has been calibrated on real data for the generation of the inflow patterns and several system conditions have been simulated. A mixed-integer optimizer was used to minimize the required energy. The results obtained were compared with the classic control rule showing that the use of variable speed drives can lead to large energy savings.



中文翻译:

随机流入模式下污水泵的优化调度与控制

摘要

抽水系统的优化调度在研究界引起了很多关注。然而,由于湿井蓄水量减少和流量变化大,配水网络中取得的进步并没有转移到城市排水下水道系统中。此外,需要应对流量变化的变速驱动器的使用使问题更加复杂。在本文中,作者提出了一种优化方法,用于在可变流入量的情况下对独立污水下水道系统中的泵进行调节。随机模型已根据实际数据进行校准,以生成流入模式,并模拟了几种系统条件。使用混合整数优化器来最小化所需的能量。

更新日期:2021-03-22
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