Prognostics &ampamp;amp; Health Monitoring.pdf

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1、AcceleratingManufacturingProductivityPrognosticsandHealthManagement(PHM)DavidStarkDavid.stark@ismi.sematech.org512-356-3278eMfgWSJuly142010Copyright©2009SEMATECH,Inc.SEMATECH,andtheSEMATECHlogoareregisteredservicemarksofSEMATECH,Inc.InternationalSEMATECHManufacturingInitiative,ISMI,Adv

2、ancedMaterialsResearchCenterandAMRCareservicemarksofSEMATECH,Inc.Allotherservicemarksandtrademarksarethepropertyoftheirrespectiveowners.Agenda•WhatisPrognosticsandHealthManagement(PHM)?•WhatisISMIdoinginthePHMarena?–ISMIPredictivePreventiveMaintenanceProject(PPM)–ProjectScope–ProjectHi

3、story–ProjectStatus–ProjectLook-Ahead–PPMresources•WhyshouldJPWGcare?•Q&AWhatisPrognosticsandHealthManagement·Prognostics&HealthManagement(PHM)—Thedisciplinethatlinksstudiesoffailuremechanismstosystemlifecyclemanagement.PHMusesinformationtoallowearlydetectionofimpendingorincipientfault

4、s,remainingusefullifecalculations,andlogisticaldecision-makingbasedonpredictions.·TheobjectiveofPHMistomaximizeequipmentreturnoninvestment.APHMsystemwilloptimizescheduledmaintenance,predictiveconditionbasedmaintenance,andnon-predictiveconditionbasedmaintenancetoanoperationalobjective.·

5、Scheduledmaintenanceisperformedonafixed,calendar-basedschedule.·Non-predictivecondition-basedmaintenanceisaccomplishedbyinstantaneousmonitoringofequipmentandbyperformingmaintenancewhenanequipmenthealthindicatorreachesapredeterminedthreshold.·Predictiveconditionbasedmaintenanceisaccompl

6、ishedthroughacquiringrelevantequipmentandfactorydataandapplyinganequipmentdegradationmodeltopredicttheequipment’sRUL.·APHMsystemwillcombinescheduledmaintenance,condition-basedmaintenance,andpredictivemaintenancetoenableeffectivecostversusperformancedecisions.WhoisalreadydoingPHM?(inoth

7、erindustries)•PHMisfamousin–Automotiveindustry•inthemodernautomobile,especiallytheengine•Toyotainthecar/truckassemblyline–Aeronautics•GE&RollsRoyceaircraftengines–DefenseandSpaceprograms•Advancedfighterjet•NASAandInternationalSpaceStation–HeavyIndustry•JohnDeere,Komatsuinearthmovinge