Dataset of Leak Simulations in Experimental Testbed Water Network

This is the first fully labeled open dataset for leak detection and localization in water distribution systems. This dataset includes two hundred and eighty signals acquired from a laboratory-scale water distribution testbed with four types of induced leaks and no-leak. The testbed was 47 m long built from 152.4 mm diameter PVC pipes. Two accelerometers (A1 and A2), two hydrophones (H1 and H2), and two dynamic pressure sensors (P1 and P2) were deployed to measure acceleration, acoustic, and dynamic pressure data. The data were recorded through controlled experiments where the following were changed: network architecture, leak type, background flow condition, background noise condition, and sensor types and locations. Each signal was recorded for 30 seconds. Network architectures were looped (LO) and branched (BR). Leak types were Longitudinal Crack (LC), Circumferential Crack (CC), Gasket Leak (GL), Orifice Leak (OL), and No-leak (NL). Background flow conditions included 0 L/s (ND), 0.18 L/s, 0.47 L/s, and Transient (background flow rate abruptly changed from 0.47 L/s to 0 L/s at the second 20th of 30-second long measurements). Background noise conditions, with noise (N) and without noise (NN), determined whether a background noise was present during acoustic data measurements. Accelerometer and dynamic pressure data are in ‘.csv’ format, and the hydrophone data are in ‘.raw’ format with 8000 Hz frequency. The file “Python code to convert raw acoustic data to pandas DataFrame.py” converts the raw hydrophone data to DataFrame in Python.本数据集是首个针对供水配水系统泄漏检测与定位的全标注开源数据集。该数据集包含从实验室规模供水配水试验台采集的280组信号，试验台涵盖四类人工诱发泄漏工况与无泄漏工况。该试验台总长47米，由直径152.4毫米的PVC管材搭建而成。实验部署了两台加速度计（accelerometers，编号A1、A2）、两台水听器（hydrophones，编号H1、H2）以及两台动态压力传感器（dynamic pressure sensors，编号P1、P2），分别采集加速度、声学与动态压力数据。所有数据均通过受控实验采集，实验变量包括管网架构、泄漏类型、背景流量工况、背景噪声工况以及传感器类型与布设位置。每组信号的采集时长为30秒。管网架构分为环状（LO）与枝状（BR）两类。泄漏类型包括纵向裂纹（Longitudinal Crack，LC）、周向裂纹（Circumferential Crack，CC）、垫片泄漏（Gasket Leak，GL）、孔口泄漏（Orifice Leak，OL）以及无泄漏（No-leak，NL）。背景流量工况涵盖0 L/s（ND）、0.18 L/s、0.47 L/s，以及瞬变工况（在30秒采集时长的第20秒，背景流量从0.47 L/s突变为0 L/s）。背景噪声工况分为有噪声（N）与无噪声（NN）两类，用于判定声学数据采集过程中是否存在背景噪声。加速度计与动态压力传感器的数据采用‘.csv’格式存储，水听器数据则采用8000 Hz采样率的‘.raw’格式存储。文件"Python code to convert raw acoustic data to pandas DataFrame.py"可将原始水听器数据转换为Python环境下的pandas DataFrame格式。

搜集汇总

背景与挑战

背景概述

该数据集是首个完全标记的开放数据集，专为水分配系统的泄漏检测和定位而设计，包含280个信号，采集自一个实验室规模的PVC管道测试床，涵盖四种泄漏类型和无泄漏情况。数据集通过多种传感器（加速度计、水听器、动态压力传感器）记录数据，并考虑了网络架构、背景流量和噪声等多种实验变量，适用于数据分析和算法开发。