机械类专业英语翻译Word下载.docx
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机械类专业英语翻译Word下载.docx
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Abstract
Monitoringthevibrationsignalsofrotatingmachinery,ulteriorly,assessingthesafetyofequipmentplaysasignificantroleinensuringthesecurityofequipmentandinsavingmaintenancefee.Thispaperintegratedtheideaof“configuration”intheindustrycontrolsoftware,developedthe“flexible”network-basedonlinemonitoringandfaultdiagnosissystem.Thenetworktopology,configurationmodule,database,dataacquisitionworkstationandmonitoringcomponentswerepresented.Withthesmartdataacquisitionstrategyandstrongadaptivemonitoringtools,thesystemcanbeappliedonkindsofrotatingmachinery,andthepracticalapplicationofthesystemwasintroduced.
Keywords–onlinemonitor,flexiblesystem,smartsystem,
configuration,rotatingmachinery
CONCLUSION
Basedonthedevelopmenttrendofthenetwork-basedonlinemonitoringanddiagnosissystem,thispaperintroducedtheideaof“flexible”ofICSandthesmartdataacquisitionstrategy,developedtheconfigurableandsmartonlinemonitoranddiagnosissystemwithstrongflexibility.Thesystemcanbeappliedonkindsofrotatingmachinery.Thesmartsignalanalysistoolscanprovidetheappropriatediagnosismethodkindsofequipment,hencecanleveluptheaccuracyoffaultdiagnosisandconditionevaluation.
I.INTRODUCTION
Withthedevelopmentofthemoderntechnology,avarietyofrotatingmachinery(suchassteamturbine,fan,windturbine,etc.)raisesthelevelofautomaticoperation.Duetothesignificantrolesoftherotatingmachineryinthemodernproductionprocess,toensurethesafety,reliability,economicalandoptimizedoperation,andtoevaluationofthe
conditionofthecurrentequipmenthavebecomeveryimportantresearchfields.Thereinto,conditionmonitoringandfaultdiagnosishavebeenputmoreattention[1].
Thedatabasetechnologyandnetworktechnologywereintroducedinthecurrentonlinemonitorandfaultdiagnosissystemforrotatingmachinery.Itnotonlyenhancedthetechnologyofonlineconditionmonitorandprovidedmoresufficientandreliabledataforthefaultdiagnosis,butalso
madeitpossibletosharethemachineryinformation,ulteriorlytoestablishthefaultanalysisanddiagnosiscenterinthespecialinstituteandprovidetheremotetechniquesupportforfactory[2,3,4].
However,fortherequirementsofequipmentmanagementnowadays,thecurrentnetwork-basedonlinemonitoringsystemremainssomedefectsasfollows:
(a)themeasurepoint(MP),theinterfacesofthesoftwareandthehardwarehadbeenfixedbeforedevelopingofthemonitoringsystem,thereforeitwasdifficulttoadaptthemodernplantwithnumerousandvariousequipment;
(b)theobjectofthecurrentsystemwasalwaysthemachineryorequipment,anditwasdifficulttoachievethegoalofcentralizedmanagementtothemodernplant;
(c)thedataacquisitionstrategywassimpleandcannotbechangedwiththechangeoftheequipmentstate,anditwaseasilyleadtothemissofthecriticalfaultdataandeffectedtheaccuracyofthefaultdiagnosis;
(d)thetoolsandmethodsforsignalanalysisandfaultdiagnosisweresimpleandcouldnotmeet
thedemandofinformationfusion[5,6].
Therefore,developingthesystemefficientlyandreliablybecomeakeyprobleminthedevelopmentofmodernmonitoringsystem.ThesuccessfulapplicationofIndustrialControlSoftware(ICS)providesagoodideaforthedevelopmentofnetwork-basedOnlineMonitoringandDiagnosisSystem(OMDS).AlthoughtheICSemphasizeoncontrolfunctionwhiletheOMDSputmoreattentiononthedataacquisition,signalanalysisandsaveoflong-runningdata,the“configurable”approachduringthedevelopmentofICScanmaketheOMDSwelladapttovariousmachineryandbecome“flexible”.Additionally,theOMDSbecomemoresmartedbyintegratingtheinformationfusionmethodsandneutralnetworkwithnormalfrequency-spectrumanalysismethods,andenhancethecapabilityoffaultdiagnosisandsafetyassessmentforrotatingmachinery[7].
II.NEEDSANALYSISFORCONFIGURABLESYSTEM
III.DESIGNANDIMPLEMENTOFOMDS
A.Thetopologyofthenetwork-basesystem
B.Designoftheconfigurationmodule
C.Designofdatabase
D.Designofthehardwareofthedataacquisition
E.Designofmonitoringandanalysismodule
IV.APPLICATIONOFOMDS
Professionalintroduction
Mymajorismechanicalmanufacturingandautomation,itistocombinethemechanicalequipmentandautomationbythewayofcomputer,formingaseriesofadvancedmanufacturingtechnology,includingCAD(ComputerAidedDesign),CAM(ComputerAidedManufacturing),FMC(FlexibleManufacturingSystem)andsoon,andfinallyformsthelarge-scalecomputerintegratedmanufacturingsystem(CIMS)whichmakethetraditionalmechanicalprocessgetaqualitativeleap.Thisprofessionald
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