systems need to work - dsi international, inc.

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1、07Dec2010Presentedby:PhilipDussaultLeadEngineer,Diagnostic/PrognosticLabAviationandMissileResearch,DevelopmentandEngineeringCenterUNCLASSIFIEDUNCLASSIFIEDHowOpportunisticisitforPrognosticsProductstoTransition?ConditionBasedMaintenance(CBM)CBMProgramObjectives:DecreaseMaintenanceBurdenontheSoldierIn

2、creasePlatformAvailabilityandReadinessEnhanceSafetyReduceOperations&Support(O&S)CostsKeyCBMEnablersDigitalSourceCollectorsFlightLineDiagnosticsDataFusion/AnalysisCurrentlyMonitoredbyVibrationMainRotorHubMainRotorShaftBifilarsSwashplateASSYSwashplateGuideSwashplateBearing**PCLinksM/RSpindleSphericalB

3、earingM/RSpindleTieRodControlHornM/RShaftExtenderM/RDamperT/RBladeT/RPitchChangeHornPCLinksMainTransmissionModuleAccessoryModuleGenerators(2)HydraulicPumps(2)PlanetaryCarrierEngine(No.1&2)Driveshafts(2)**InputModules(2)TailRotorGB**RetentionPlates(2)GearshaftViscousBearings(4)**M/RBladeM/RBladeTipCa

4、pM/RBladeExpandablePinM/RBladeCuffOilCoolerAxialFanOilCoolerFanBearing**APUT/RPitchChangeShaftT/RPitchChangeBearingIntermediateGB**T/RDriveshafts(7)**VibrationAbsorbers(2)ThePurposeofArmyMaintenanceistoGenerateCombatPower.AR750-1PREVENTIVEINDICATORSDIAGNOSTICSPROGNOSTICSON-CONDITIONReactiveMaintenan

5、ceTimeBasedInspection/OverhaulDigitalSourceCollectorInstallationKnowledgeDevelopmentFaultDiagnosisRemainingUsefulLifeCalculationInspectionTargetingProactiveMaintenance‘OnCondition’Inspection/OverhaulSystemsNeedtoWork…PhotosCourtesyofU.S.ArmyTheyhavetoWork…PhotoCourtesyofU.S.ArmyBecausetheseguysneedt

6、hemPhotoCourtesyofU.S.ArmyHowdoWEmakesureoursystemswillwork?WetalkSystemsEngineeringBuildabettersystemMorereliableLesshardware(maybe)BuildinRedundancyHowmuchredundancy?BuildsmartersystemsSelfaware/prognosticenabled(?)BuymoresystemsWhichoneisbest?Bettersystemisalwaysgood,butatwhatcostRedundancywasgoo

7、dreliabilityoffsetSmarterfollowsthreadofbetterKnowledgevs.WisdomKnowledgeisofthepast,wisdomisofthefuture.VernonCooperUnlessitsreallycheap,moreisnotbetterPrognosticsaPathtoWisdom?TheDepartmentofDefense