机械类专业英语翻译

-.z.Fle*ibleandSmartOnlineMonitoringandFaultDiagnosisSystemforRotatingMachineryAbstractMonitoringthevibrationsignalsofrotatingmachinery,ulteriorly,assessingthesafetyofequipmentplaysasignificantroleinensuringthesecurityofequipmentandinsavingmaintenancefee.Thispaperintegratedtheideaof"configuration”intheindustrycontrolsoftware,developedthe"fle*ible”network-basedonlinemonitoringandfaultdiagnosissystem.Thenetworktopology,configurationmodule,database,dataacquisitionworkstationandmonitoringponentswerepresented.Withthesmartdataacquisitionstrategyandstrongadaptivemonitoringtools,thesystemcanbeappliedonkindsofrotatingmachinery,andthepracticalapplicationofthesystemwasintroduced.Keywords–onlinemonitor,fle*iblesystem,smartsystem,configuration,rotatingmachineryCONCLUSIONBasedonthedevelopmenttrendofthenetwork-basedonlinemonitoringanddiagnosissystem,thispaperintroducedtheideaof"fle*ible”ofICSandthesmartdataacquisitionstrategy,developedtheconfigurableandsmartonlinemonitoranddiagnosissystemwithstrongfle*ibility.Thesystemcanbeappliedonkindsofrotatingmachinery.Thesmartsignalanalysistoolscanprovidetheappropriatediagnosismethodkindsofequipment,hencecanleveluptheaccuracyoffaultdiagnosisandconditionevaluation.I.INTRODUCTIONWiththedevelopmentofthemoderntechnology,avarietyofrotatingmachinery(suchassteamturbine,fan,windturbine,etc.)raisesthelevelofautomaticoperation.Duetothesignificantrolesoftherotatingmachineryinthemodernproductionprocess,toensurethesafety,reliability,economicalandoptimizedoperation,andtoevaluationoftheconditionofthecurrentequipmenthavebeeveryimportantresearchfields.Thereinto,conditionmonitoringandfaultdiagnosishavebeenputmoreattention[1].Thedatabasetechnologyandnetworktechnologywereintroducedinthecurrentonlinemonitorandfaultdiagnosissystemforrotatingmachinery.Itnotonlyenhancedthetechnologyofonlineconditionmonitorandprovidedmoresufficientandreliabledataforthefaultdiagnosis,butalsomadeitpossibletosharethemachineryinformation,ulteriorlytoestablishthefaultanalysisanddiagnosiscenterinthespecialinstituteandprovidetheremotetechniquesupportforfactory[2,3,4].However,fortherequirementsofequipmentmanagementnowadays,thecurrentnetwork-basedonlinemonitoringsystemremainssomedefectsasfollows:(a)themeasurepoint(MP),theinterfacesofthesoftwareandthehardwarehadbeenfi*edbeforedevelopingofthemonitoringsystem,thereforeitwasdifficulttoadaptthemodernplantwithnumerousandvariousequipment;(b)theobjectofthecurrentsystemwasalwaysthemachineryorequipment,anditwasdifficulttoachievethegoalofcentralizedmanagementtothemodernplant;(c)thedataacquisitionstrategywassimpleandcannotbechangedwiththechangeoftheequipmentstate,anditwaseasilyleadtothemissofthecriticalfaultdataandeffectedtheaccuracyofthefaultdiagnosis;(d)thetoolsandmethodsforsignalanalysisandfaultdiagnosisweresimpleandcouldnotmeetthedemandofinformationfusion[5,6].Therefore,developingthesystemefficientlyandreliablybeeakeyprobleminthedevelopmentofmodernmonitoringsystem.ThesuccessfulapplicationofIndustrialControlSoftware(ICS)providesagoodideaforthedevelopmentofnetwork-basedOnlineMonitoringandDiagnosisSystem(OMDS).AlthoughtheICSemphasizeoncontrolfunctionwhiletheOMDSputmoreattentiononthedataacquisition,signalanalysisandsaveoflong-runningdata,the"configurable”approachduringthedevelopmentofICScanmaketheOMDSwelladapttovariousmachineryandbee"fle*ible”.Additionally,theOMDSbeemoresmartedbyintegratingtheinformationfusionmethodsandneutralnetworkwithnormalfrequency-spectrumanalysismethods,andenhancethecapabilityoffaultdiagnosisandsafetyassessmentforrotatingmachinery[7].II.NEEDSANALYSISFORCONFIGURABLESYSTEMIII.DESIGNANDIMPLEMENTOFOMDSA.Thetopologyofthenetwork-basesystemB.DesignoftheconfigurationmoduleC.DesignofdatabaseD.DesignofthehardwareofthedataacquisitionE.DesignofmonitoringandanalysismoduleIV.APPLICATIONOFOMDSProfessionalintroductionMymajorismechanicalmanufacturingandautomation,itistobinethemechanicalequipmentandautomationbythewayofputer,formingaseriesofadvancedmanufacturingtechnology,includingCAD(puterAidedDesign),CAM(puterAidedManufacturing),FMC(Fle*ibleManufacturingSystem)andsoon,andfinallyformsthelarge-scaleputerintegratedmanufacturingsystem(CIMS)whichmakethetraditionalmechanicalprocessgetaqualitativeleap.Thisprofessionaldirectlyreflectthemodernizationandindustrializationlevelofacountry,itrelatestothedesignofmechanicalindustryofmanufacturing,technologydevelopment,applicationstudy,operationmanagementandsalesmanagementandsoon,itisalargebusinessofsocialdemand.Theabilityofthemachinerymanufacturing,directlyaffectthedevelopmentofthewholesocietyofindustry.RecentlythelevelofmechanicalengineeringandautomationbetweenChinaandthedevelopedcountrieshasbeengraduallyreduced.Withthedemandsofourcountrymodernization,developmentintheaerospace,shipbuilding,miningindustry,machinerymanufacturingandautomationneedsmorerapiddevelopment,andhasgreatdevelopmentspace.AtschoolwemustlearnPLC(programmablelogiccontroller),grasptheweakelectricalappliancecontrol,theuseofservosystemandACservomotor,thegeneraldesignofelectriccircuit,andbefamiliarwiththemetalmaterial,metalheattreatmentandmanufacturingtechnology,mechanicaldesignandotherprofessionalknowledge.Theprofessionalemploymentsituationisverygood,manyenterprisesrelatetomachinerywecanparticipatein,andevenmanagementcanalsodo.Graduatestudentscanengageinindustrialproductiondepartmentofmechanicalproductdesignanddevelopment,manufacturing,toolingdesign,productionprocessmanagement,applicationofnumericalcontroltechnology,industrialautomationproductionmanagement,putersoftwareapplication,marketingandotheraspectsofthework,alsocantakepartinteachingandresearchworkinCollegesanduniversitiesorscientificresearchdepartments.ThedirectionofdissertationinthefutureMyresearchissuperhardnano-micronPVDfilmsappliedresearch,PVDistheabbreviationofphysicalvapordeposition,itisaphysicalmethodusedintheconditionofvacuum,thesurfaceofthesolidorliquidmaterialvaporizedintogasatoms,moleculesorpartsofionizedintoaplasma,andthroughthelowpressuregas(orplasma)process,depositingonthesubstratesurfacewithathinfilmforspecialfunctions.Physicalvapordepositionmethodsincludevacuumdeposition,sputtering,arcplasmaplating,ionplating,electronbeamevaporationandmolecularepita*y.Notonlycanthemetaloralloyfilmbedeposited,manymaterialslikepounds,ceramics,semiconductor,polymerfilmcanalsobedeposited,itisanewmaterialwithwideapplicationprospectinmanufacturingtechnology.Thesuperhardfilmmadebythistechnologynotonlyhashighhardness,andultrathin,hightemperatureresistance,nopollution,almostzeroemissions,itissuitablefortools,sparepartsandabrasionresistance,anti-o*idation,anti-corrosion,selflubricationofthesurfaceoffrictionandwearandotherspecialproperties,itisatechnologyofthemostpromisingandvaluableapplicationinthemodernsurfaceengineeringtechnology.thesimplestandmosteffectivewaytogointoafieldistofindadiscussionofthisfieldmonographsorte*tbooks,whenthebasicconceptsinthisfieldaswellasthecorrelationbetweenthemeaningisclear,justgotoreadthepapersinthisfield,wewillknowthescoreandgraspthem.Therefore,beforethethesisproposalinOctoberofne*tyear,Iwillseriouslylearningmaterials,andfinallyunderstandandmasterthepapersofinstructorsandthevariouspapersaboutPVDcoatingtechnologyathomeandabroad,stepbystepandingoodordertolearneverything,inthethethesisproposalofthedaycannotpanicdisorderandkeepcalm.柔性的和智能的在线监测与故障诊断的旋转机械系统旋转机械振动信号的监测，进一步地说，在确保设备的安全性和节省维修费用上设备安全性的评估起到非常重要的角色。本文整合了工业控制软件中的"配置”理念，开发出"柔性的”基于网络的在线监测和故障诊断的系统。该网络的拓扑结构、配置模块、数据库、数据采集工作站和监视组件已得到介绍。随着智能数据采集策略和强大的适应监测工具的开发应用，该系统可以应用于各种旋转机械，而且该系统的实际应用也以得到介绍。关键词：在线监测，柔性系统，智能系统，结构配置，旋转机械基于以网络为基础的在线监测和故障诊断系统的发展趋势，本文介绍了因特网连接共享和智能的数据采集策略"柔性”的思想，开发出具有很强的灵活性的结构配置和智能的在线监测与诊断系统。该系统可以用于各种旋转机械。智能信号分析工具能为各种设备提供适当的诊断方法，因此能够提高故障诊断和工况评估的准确性。引言随着现代科技的发展，各种各样的旋转机械（如蒸汽机，风扇，风力发电机组等等）提升了自动控制的层次。由于旋转机械在现代生产过程中的重要作用，以确保安全性，可靠性，经济性和优化操作，并评价当前设备的状态已成为非常重要的研究领域。其中，状态监测和故障诊断已投入更多的关注。数据库技术和网络技术已经在旋转机械当前的在线监测和故障诊断系统中介绍过，它不仅提高了在线状态监测技术和为故障诊断提供更充分更可靠的数据，而且使得机械信息共享成为可能，进而在专门研究机构建立故障分析和诊断中心，为制造厂提供远程技术支持。然而，对于当前的设备管理要求，目前的这种基于网络在线监测系统仍然存在一些缺陷，如下：（a)测量点（MP),在监测系统研发之前，系统的软件和硬件的接口已经被固定了，因此该系统很难适应现代工厂众多和各种各样的设备；（b)当前系统的对象仍然是机械装置或者设备，现代工厂很难实现集中管理的目标；（c)数据采集策略很简单，也不能随着设备状态的变化而变化，而且很容易导致决定性错误数据的缺失和影响故障诊断的准确性；（d)信号分析和故障诊断的工具和方法简单而且不能满足信息融合的需求。因此，有效地和可靠地开发系统已成为现代监测系统发展的关键问题。工业控制软件（ICS)的成功应用为基于网络在线监测和故障诊断系统（OMDS)提供了一个好的思想。尽管工业控制软件强调控制功能而在线监测和故障诊断系统专注于数据采集，信号分析和长期数据的保存，在工业控制软件的发展过程中"结构配置”的方法能使得在线监测和故障诊断系统很好的适应各种机械装置和成为"柔性化”。此外，在线监测和故障诊断系统通过集成的信息融合法和带有正常频谱的神经网络分析法而变得更加智能，它提高了故障诊断和旋转机械的安全评估能力。可配置的系统需求分析在线监测和诊断系统的实施基于网络系统的拓扑结构配置模块的设计数据库的设计数据采集软件的设计监测和分析模块的设计在线监测和诊断系统的应用专业介绍：我的专业是机械制造及其自动化，它是将机械设备