基于声音信号分析的PCCP健康状态评估研究

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关键词：PCCP；声音信号处理；健康状态评估；声音识别；监测系统

中图分类号：TV672.2 文献标志码：A

doi：10.3969/j.issn.1000-1379.2026.01.023

Research on Health State Assessment of PCCP Based on Sound Signal Analysis

HANLiwei，JIWenhui，LIUJie

（1.Schoolof Water Conservancy，North China Universityof WaterResourcesand Electric Power，Zhengzhou450046，China; 2.Henan Fuchen Pipe Industry Co.，Ltd.，Xinxiang 453OOOo，China）

Abstract：Healthsasessmetofprastprestressdonetecylderpe（CC）sdoutbadooualaalyyet tingsensorsotsufaceofteipelin，tecousticsignalsderfentaboalsatesrecoltdPrepoessng，dee tion，featureetractiodoterprocsingerepefodtlctedoudsigalstobaieundatuevctorsftigte pipelinestate.TisstudyconstructedaBneuralnetworkmodelbasedonMelfrequencycepsrumcoeffcient（MFCC）andaparticleswar optimizedBPeuraltwok（OB）delTsultsofpractialaplicatiossowthatteoerallrecogtoacuacyofOoel can reach 89.27% ，which is 15.86% higher than that of BP neural network model，and the PSO-BP model has higher accuracy.A real-time healthmonitoringsteforCCPasedonsondsialacqusitiowasevelodtoealizral-temoitoringofpipelieopeaisatus. Key words： PCCP;； sound signal processing；health status assessment;； sound recognition; monitoring system

0 引言

预制预应力混凝土管道（PretensionedConcreteCylinderPipe，PCCP）具有成本低、抗拉、抗渗性能强、强度高等特点，在长距离输水和城市供水中广泛应用，是目前最主流的输水管材之一[1]。（剩余4800字）