考虑压力均匀性的供水管网独立计量区域(DMA)分区优化研究  

Optimization Study on DMA Partitioning of Water Distribution Network Considering Pressure Uniformity

作　　者：张鹏[1] 刘嘉 邵煜[1] Zhang Peng;Liu Jia;Shao Yu(College of Civil Engineering and Architecture,Zhejiang University,Hangzhou 310058,China;Zibo Water Group Co.,Ltd.,Zibo 255020,Shandong,China)

机构地区：[1]浙江大学建筑工程学院,杭州310058 [2]淄博市水务集团有限责任公司,山东淄博255020

出　　处：《科技通报》2024年第2期30-37,共8页Bulletin of Science and Technology

基　　金：国家自然科学基金(52070165,52270095)。

摘　　要：独立计量区域(district meteredareas,DMAs)是实现城市供水管网压力管理与漏损控制的重要手段。现有的DMA分区算法无法在分区时保障分区内部的压力均衡。为解决这一问题,本文提出一种基于迭代求解DMA分区方法,在保证分区均匀性的同时,实现分区内部压力均衡。该方法提出融合节点压力分布的节点相似矩阵,建立分区合理性评价指标,用于确定独立计量区域划分方案;在隔离阶段采用改进的多目标遗传算法,对边界管段开展隔离阀与流量计的优化布置;最后通过对上述2个过程进行循环迭代,确保最终分区方案的压力均衡。通过对实例管网的分区研究,验证改进方法的有效性和可行性。District Metered Areas(DMAs)are an important means to achieve pressure management and leakage control in urban water distribution network(WDN).The existing DMA partitioning algorithm cannot guarantee the pressure equalization within the partitioning.To solve this problem,this study proposes an iterative solution-based DMA partitioning method to achieve pressure equalization within the partition while ensuring the partition uniformity.The method proposes a node-similarity matrix for fusing nodal pressure distribution and establishes a partition rationali-ty evaluation index for determining the DMA partitioning scheme;an improved multi-objective genetic algorithm is used in the isolation stage to carry out the optimal arrangement of isolation valves and flow meters for the boundary pipe sec-tion;Finally,the pressure equalization of the final partitioning scheme is ensured by cyclic iteration of the above two processes.The effectiveness and feasibility of the improved method are verified through the study on the zoning of the case pipe network.

关 键 词：供水管网 独立计量分区 谱聚类算法 NSGA-Ⅱ遗传算法 压力迭代 

分 类 号：TU991[建筑科学—市政工程]