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一种基于STM32的高精度锚杆应力波采集系统设计Title:DesignofaHigh-PrecisionAnchorStressWaveAcousticMonitoringSystembasedonSTM32Abstract:Anchorstresswavemonitoringisaneffectivemethodforassessingthestructuralhealthofbuildingsandinfrastructure.Thispaperproposesadesignforahigh-precisionanchorstresswavemonitoringsystembasedontheSTM32microcontroller.ThesystemutilizesapiezoelectricsensortocapturestresswavesignalsandtheSTM32microcontrollertoprocessandanalyzethesignals.Thedesignaimstoimprovetheaccuracyandreliabilityofstresswavemonitoringforanchorsystems,contributingtothesafetyandstabilityofbuildingsandinfrastructure.1.IntroductionAnchorsystemsplayacriticalroleinsupportingstructuresandensuringtheirstability.Monitoringanchorstresswavescanprovidevaluableinsightsintothestructuralhealthofbuildingsandinfrastructure.Traditionalstresswavemonitoringsystemsoftensufferfromloweraccuracyandlimitedprecisionduetohardwareandsoftwarelimitations.TheproposeddesignaimstoovercometheselimitationsbyleveragingtheSTM32microcontroller.2.SystemArchitectureThehigh-precisionanchorstresswavemonitoringsystemconsistsofthreemaincomponents:thepiezoelectricsensor,signalamplifier,andSTM32microcontroller.Thepiezoelectricsensorisresponsibleforcapturingstresswavesignalsgeneratedbyanchorsystems.Thesignalamplifierisusedtoenhancethesignalstrengthwhilereducingnoise.TheSTM32microcontrollerprocessesandanalyzesthestresswavesignalstogeneratemeaningfuldataforfurtheranalysis.3.PiezoelectricSensorSelectionTheselectionofasuitablepiezoelectricsensoriscrucialforaccuratestresswavecapture.Factorssuchassensitivity,frequencyresponse,anddurabilityneedtobeconsidered.Thesensorshouldhavehighsensitivitytocaptureweakstresswavesignalsaccurately.Additionally,awidefrequencyresponseisessentialtocaptureabroadrangeofstresswavefrequencies.Durabilityisalsoimportanttoensurethelongevityofthesensor.4.SignalAmplificationThecapturedstresswavesignalsareoftenweakandrequireamplificationforfurtherprocessing.Asignalamplifiercircuitisdesignedtoamplifythesignalswhilesimultaneouslysuppressingnoise.Theamplifiercircuitshouldhaveahighgainfactor,lownoise,andgoodstabilitytomaintaintheintegrityandaccuracyofthestresswavesignals.5.STM32MicrocontrollerTheSTM32microcontrolleractsasthebrainofthemonitoringsystem.Itreceivestheamplifiedstresswavesignalsandprocessesthemusingsuitablealgorithms.Themicrocontroller'sprocessingpowerallowsforreal-timeanalysisandprovidesaccurateresults.Furthermore,theSTM32microcontrollercanfacilitatedatastorageandwirelesscommunicationforremotemonitoringanddatatransmission.6.AlgorithmsandDataAnalysisThestresswavesignalscapturedbythepiezoelectricsensorundergodataanalysisandprocessingusingspecificalgorithms.Variousparameterssuchasrisetime,peakamplitude,energyratio,andwaveformsignaturecanbeextractedtoassessthestructuralhealthoftheanchorsystem.Machinelearningalgorithmscanbeemployedformoreadvancedanalysis,providingearlywarningsforpotentialanchorfailures.7.SystemEvaluationandPerformanceToevaluatetheperformanceandaccuracyoftheproposeddesign,experimentaltestsshouldbeconducted.Thesystem'sabilitytoaccuratelycapturestresswavesignals,processdatainreal-time,andprovidemeaningfulresultsshouldbemeasuredandcomparedtoexistingmonitoringsystems.Athoroughevaluationwilldeterminethesystem'sreliabilityandeffectivenessindetectinganchorstresswaveanomalies.8.ConclusionThispaperpresentedadesignforahigh-precisionanchorstresswavemonitoringsystembasedontheSTM32microcontroller.Theproposedsystemovercomeslimitationsoftraditionalmonitoringsystems,enhancingtheaccuracyandreliabilityofstresswaveanalysisforanchorsystems.ByutilizingtheSTM32microcontroller'sprocessingcapabilities,thesystemcangeneraterea
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