供水管网爆管监测体系研究
摘要：介绍了供水系统爆管监测的研究框架：首先从实用性和经济性角度提出了现阶段适合的技术方向；其次提出了爆管监测中面临的3个基本问题,并将3个基本问题分解为10个技术要点,描绘了技术要点之间的逻辑关系。针对爆管是否可监测问题,结合供水监测系统实际情况,提出了监测系统的背景噪声、爆管最小可监控管径等基本概念及分析方法。爆管监测网的设计与监测信号的处理是实现爆管监测的具体手段。从设计的角度提出了爆管强度的概念,同时提出了监测网数量优化要考虑投入产出比,建议参考边际效益(如爆管监测覆盖率)来确定监测设备的数量。还提出了监测网的空间优化目标函数,并认为最终的优化成果要明确哪些管线在监测范围之内。
关键词：爆管监测背景噪声爆管最小可监控管径爆管强度爆管监测覆盖率爆管定位供水管网
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参考文献参考文献
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[1] MOUNCE S R,KHAN A,WOOD A S,et al.Sensor-fusion of hydraulic data for burst detection and location in a treated water distribution system[J].Information Fusion,2004(3):217-229.
[2] MOUNCE S R,MACHELL J.Burst detection using hydraulic data from water distribution systems with artificial neural networks[J].Urban Water Journal,2006,3(1):21-31.
[3] MOUNCE S R,MOUNCE R B,BOXALL J B.Novelty detection for time series data analysis in water distribution systems using support vector machines[J].Journal of Hydroinformatics,2011,13(4):672-686.
[4] MOUNCE S R,BOXALL J B,MACHELL J.Development and Verification of an Online Artificial Intelligence System for Detection of Bursts and Other Abnormal Flows[J].Journal of water resources planning and management,2010,3:309-318.
[5] BICIK J,MAKROPOULOS C,JOKSIMOVI'CD,et al.Conceptual risk-based decision support methodology for improved near real-time response to wds failures[J].Paper presented at the Geotechnical Special Publication,2009,18(7):510-519.
[6] GUOLIANG YE,RICHARD A F.Kalman Filtering of Hydraulic Measurements for Burst Detection in Water Distribution Systems[J].Journal of water resources planning and management,2011,1:14-22.
[7] PUDAR R S,LIGGETT J A.Leaks in pipe networks[J].Journal of Hydraulic Engineering,1992,118(7):1031-1046.
[8] LIGGETT J A,CHEN L C.Inverse transient analysis in pipe networks[J].Journal of Hydraulic Engineering,1994,120:934.
[9] MISIUNAS D,LAMBERT M,SIMPSON A,et al.Burst detection and location in water distribution networks[J].Water Science and Technology:Water Supply,2005,5(3-4):71-80.
[10] MISIUNAS D,VTKOVSK'YJ,OLSSON G,et al.Pipeline break detection using pressure transient monitoring[J].Journal of Water Resources Planning and Management,2005,131(4),316-325.
[11] COLOMBO A F,LEE P,KARNEY B W.A selective literature review of transient-based leak detection methods[J].Journal of Hydro-Environment Research,2009,2(4):212-227.
[12] CHENG W P,XU G,FANG H J,et al.Study on Pipe Burst Detection Frame Based on Water Distribution Model and Monitoring System[J].Water,2019,11(7):1363-1376.
[13] 赵丹丹,程伟平,许刚,等．供水管网系统爆管可监控最小管径分析方法研究[J]．中国给水排水,2014,30(23):117-122.
[14] 赵丹丹．基于SCADA系统的爆管监测方法研究[D]．杭州：浙江大学,2014.
[15] 王银良．管道孔口漏水试验与数值仿真研究[D]．杭州：浙江大学,2015.
[16] CHENG W P,SHEN Y X,XU G.Experimental and numerical modeling of sidewall orifices[J].SN Applied Sciences,2020,2(1):50-54.
[17] 陈亚威．面向供水管网爆管监控的监测点布局优化[D]．杭州：浙江大学,2020.
[18] 刘恩华．基于模糊理论和证据理论的爆管监测研究[D]．杭州：浙江大学,2016.
[19] 程伟平,陈亚威,许刚,等．基于遗传算法的供水管网爆管监测网络布置研究[J]．中国给水排水,2020,36(15):46-51.
[20] CHENG W P,CHEN Y W,XU G.Optimizing Sensor Placement and Quantity for Pipe Burst Detection in a Water Distribution Network,2020,146(11).
[21] 刘书明,王欢欢,徐锦华,等．基于智能优化算法的供水管网漏水点定位[J]．同济大学学报(自然科学版),2014,42(5):740-744.
[22] 陶涛,颜合想,信昆仑,等．基于SCADA压力监测的爆管定位分析[J]．供水技术,2016,10(4):11-14.
[23] 程伟平,陈梅君,许刚,等．基于SCADA数据的长距离输水管爆管定位研究[J]．中国给水排水,2019,35(13):57-61.
[24] 陈梅君．长距离输水管爆管定位及供水管网布点优化研究[D]．杭州：浙江大学,2018.
Research frame of pipe burst monitoring system in water distribution system
Abstract: In this paper,the research frame of water supply pipe burst detecting is put forward:firstly,the reasonable technical direction was proposed with the viewpoint of practicability and economy.Secondly,according to the reasonable technical research direction,the three basic problems of the pipe burst detection were put forward,and which are decomposed into 10 technical points.The logical map of technical points is presented.This paper also put forward the background noise and minimum detectable pipe diameter.The intensity of pipe bursting was put forward from the view of design,which is one of the basis for the design of pipe bursting detection system.At the same time,the input-output ratio should be considered in the optimization of the number of detecting sensors.The marginal benefit(such as the coverage rate of burst detection)is suggested to be used to determine the number of detecting equipment.The spatial optimization function of the pipe bursting detection system was put forward.The final optimization results should be clear,which should demonstrate which pipelines can be detected in the map of water distribution system.
Keywords: Pipe burst detection; Background noise; Minimum detectable pipe diameter; Intensity of pipe bursting; Coverage rate of burst detection; Burst location; Water distribution network;
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