滨州黄河公路大桥结构健康监测系统PPT课件

-,1,ShandongBinzhouYellowRiverHighwayBridgeStructuralHealthMonitoring,-,2,ShandongBinzhouYellowRiverHighwayBridge,Threetowers,fourspans84+300+300+84mPCstructureRigidandfloatingsupport,Opentotraffic:July1,2004,-,3,HealthMonitoringSystem138opticalfiberstrain&temperaturesensors2anemoscopes39accelerometers1+3GPSWirelesscommunicationLabVIEWdataacquisitionDamagedetection-MATLABStructuralanalysis-ANSYS7.2SQLserver2000database-WebsitevisitorpermittedLabVIEWsoftwareplatformon-lineautomaticallyrunning&call,-,4,1.Sensorsub-system,-,5,1)Opticalfibersensors,-,6,Sensor,Sensor,-,7,LocationsInitialwavelengthInitialT,-,8,2)Accelerometers,Cable-2Dand1DPiezo-electricaccelerometers(0.1-50Hz),2HzTower-2DServoaccelerometers(0-30Hz),0.17HzGirder-3D,2Dand1DCapacitiveaccelerometers,0.25Hz,-,9,-,10,-,11,3)Anemoscopes,3Dultrasonic81000U(USA),WE550turboanemoscope,-,12,4)1+3GPS,Topcon,-,13,2.Communicationsub-system,-,14,1)Cablecommunication,-,15,2)WirelesscommunicationGPSwirelesscommunicationAntenna+networkcard+networkbridge,-,16,3.Dataacquisitionsub-system,-,17,LabVIEWsoftware(NI,USA)NI(USA)andAdvantech(Taiwan)PXIbus-masteringandRS-485busmastering,Dataacquisitionsoftware,-,18,4.Damagedetection&safetyevaluationsub-system,-,19,1)Finiteelementmodel,-,20,2)Modes&frequencies,-,21,3)Response,-,22,4)Damagedetection-global,-,23,-,24,4)Damagedetection-local,-,25,5.Databasesub-system,-,26,Intranet,Servercenter,Inquire,print,show,-,27,Load,Measuredresponse,Structureandsensor,Dynamics,HealthmodelsDamagemodelsSafetyevaluation,Database,DataBase,Inquire,打印,Copy,Virus,User,Diary,D