Author(s): Lees, A. W
Publisher: CRC Press
Year: 2016
Language: English
Pages: 376
City: Boca Raton
Tags: Механика;Теория колебаний;
Content: IntroductionMonitoring and DiagnosisMathematical ModelsMachine ClassificationConsiderations for a Monitoring SchemeOutline of the TextSoftwareReferencesData PresentationIntroductionPresentation FormatsComparison with CalculationsDetection and Diagnosis ProcessProblemsReferencesModelling and AnalysisIntroductionNeed for ModelsModelling ApproachesAnalysis MethodsFurther Modelling ConsiderationsSummaryProblemsReferencesFaults in Machines - Part 1IntroductionDefinitions: Rigid and Flexible RotorsMass ImbalanceRotor BendsConcluding RemarksProblemsReferencesFaults in Machines - Part 2IntroductionMisalignmentCracked RotorsTorsionNon-LinearityInteractions and DiagnosticsClosing RemarksProblemsReferencesRotor-Stator InteractionIntroductionInteraction through BearingsInteraction via Working FluidDirect Stator ContactThe Morton EffectHarmonics of ContactConcluding RemarksProblemsReferencesMachine IdentificationIntroductionCurrent State of ModellingPrimary ComponentsSources of Error/UncertaintyModel ImprovementApplication to FoundationsImbalance IdentificationExtension to MisalignmentFuture OptionsProblemsReferencesSome Further Analysis MethodsStandard ApproachesArtificial Neural NetworksMerging ANNs with Physics-Based ModelsKernel Density EstimationRapid Transients: Vold-Kalman MethodUseful TechniquesConcluding RemarksProblemsReferencesCase StudiesIntroductionCrack in a Large Alternator RotorWorkshop Modal Testing of a Cracked RotorGearbox Problems on a Boiler Feed PumpVibration of Large Centrifugal FansLow-Pressure Turbine InstabilitiesConcluding RemarksProblemsReferencesOverview and OutlookProgress in InstrumentationProgress in Data Analysis and HandlingProgress in ModellingExpert SystemsFuture ProspectsSummaryReferences