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1.
1 IntroductionFTA (faulttreeanalysis)isananalysismethodbywhichcausesofasystem’sfaultscanbeana lyzedsystematicallyintheformofatreeandthereliabilityofthesystemcanbeevaluated .Thismethodbeginswiththemostundesirablestateofthesystemandtracesvariousfactors (in…  相似文献   

2.
1 IntroductionVacuumResinShotDosingEquipment(VRSDE)isakeyspecialequipmentusedtoperfusevariouskindsofelectricalcomponents,suchasstrikingwindingsofvehiclesandmotorcycles,transform ers,sensors,capacitorsandsoon (hereafterreferredtoas”workpieces”)withepoxyres…  相似文献   

3.
1 IntriductionThetechnologyofengineeringequipmentfaultdiagnosesinChinaexperiencedthreesuccessivede velopingstages.Eachstagehasitsrepresentativediagnosistechnologythatcamefromthemulti subjectintercross.Atthebeginning ,theproblemofmonitoringtherunningstat…  相似文献   

4.
1 IntroductionOilsupervisiontechnology ,whichwasdirectedinthesystemicconceptoftribologyandwhosemainmeanswastocheckoilpropertyandanalyzeabrasiongrains ,wasextensivelyappliedinworkingsupervisionandfaultanalysisoftheequipmentoperatedinworkingvariation ,low…  相似文献   

5.
1 IntroductionTheacumulatorisakeycomponentinhydro pneumaticsuspension .Itisnotacomponentofaccu mulativeenergytraditionallybutaspringcomponentsimilartoasteelplatespring[7] .Itsperfor mancedirectlyaffectsthestiffnessperformanceofthehydro pneumaticsuspension .…  相似文献   

6.
1 IntroductionTele servicesystemsinthedomainofmanufacturingreferstosystemsthataremonitoringandcontrollingremoteproductionprocesses,andinterveningandmaintainingthemwhennecessary .Fromtheviewofaflexiblemanufacturingsystem (FMS) ,atele servicesystemformanufa…  相似文献   

7.
NewCarbonMaterialsisaquarterlyjournalpublishedwiththepermissionoftheMinistryofScienceandTechnol ogyandoftheStateNewsandPublicationAgency .ThejournalissponsoredbytheInstituteofCoalChemistry ,ChineseAcademyofSciences ,andispublishedbySciencePress .AimsandS…  相似文献   

8.
1 IntroductionThecyclostationarysignalisaspecialkindofnon stationarysignal,inwhichthestatisticsvarywithtimeperiodicallyorpolyperiodically (withmultipleincommensurateperiods) .Theuniquecharacteristicshowsthatthemethodsbasedoncyclostationarytheorynecessari…  相似文献   

9.
Auto-identifying Diagnostic Symptom of Nonlinear Vibration   总被引:1,自引:0,他引:1  
1 IntroductionTheapplicationofnonlinearvibrationtheorytoengineeringisinantheinitialstage[1 ] .Thediag nosismethodbasedonlinear vibrationtheorymayapproximatelysolvetheproblemsoftheengi neeringsystemthatisapproximatelylinear.Engineeringsystemsareallnonlinea…  相似文献   

10.
Fault Diagnosis for Non-linear System Based On Adaptive Fuzzy System   总被引:1,自引:0,他引:1  
1IntroductionLotsofvaluableresultsforfaultdiagnosisoflinearsystembasedonmodelhavebeenachieved,butitisdificultytoapplytheseres...  相似文献   

11.
小欣 《中国计量》2002,(8):31-31
WhatIsWeights &Measures?It'shardtobeasmartconsumerthesedays.Youthinkaboutthe products youbuyandtheamountyoucanspend.Isthisthebestbuy?AmIgettingmymoney'sworth?Whatas surancedoIhave?Almosteverything webuyissoldby weight,volume,ormeasure.Forexample,agallon…  相似文献   

12.
1 IntroductionGreenmanufacturingisamodernmanufacturingmodewhichconsidersboththeenvironmentalimpactandthecostofresources.Itinvolvesthewholeproductlifeperiod ,evenmultiplelifeperi ods.Theessenceofgreenmanufacturingistheembodimentofthesustaineddevelopments…  相似文献   

13.
1 IntroductionThedevelopmentofnetworktechnologyhasprovidedthepossibilitytomonitoralargegroupofrotatingmachinesanddiagnosemalfunctionsinthemindistantanddifferentlocations.Inthisway ,investmentandresourcescanbesavedandtheefficiencyofmachinemanagementwill…  相似文献   

14.
INTRODUCTIONContingencytheoryproposesthatthehumanresource(HR)systemofafirmshouldfitwellintotheoverallenvironmentandbusinessstrategyofthefirm (Schuler&Jackson ,1 987) [1 ] ,whilebestpracticetheoryarguesthatbundlesofbestHRpracticesconsistentlydeliverthebestoutc…  相似文献   

15.
1 IntroductionForgingwillcausebigimpactorvibration ,whichwillaffecttheworkshopbuilding’ssafetythroughthepropagationofthefoundationandsoilintwoways.Oneistocauseunevensubsidenceofthebuilding’spillarfoundation .Theotheristocausethevibrationresponseofthebui…  相似文献   

16.
1 IntroductionBeingtheessentialequipment,oncetherollingmillbreaksdownunexpectedlythelossescausedbyunscheduledshutdownandqualityabnormalitycanbeverysevere.Todealwiththisproblem ,moreandmorelargesteelworksintheworldresearchedontheCMAFDSofarollingmillandd…  相似文献   

17.
1 IntroductionThegoalofthespatialBurmesterproblemistofindthosepointsonarigidbodythatlieonasphereandthecorrespondingcenterofthesphere (Burmesterpoints) .Spatial5s smechanismforrigidbodyguidancecanrealizespatialBurmesterpoints.AsshowninFigure 1 ,GiandBi,i=1 ,2 ,.…  相似文献   

18.
1 IntroductionDuringtheproductdesignstage ,itisnecessarytoestimateproductcostsothatwecanusethisinformationtoevaluatetheproductdesigneconomically ,toadjustthedesignschemetoreducecostintimeandasaconsequencetocontroltheproductcosteffectively .Theproductcos…  相似文献   

19.
杨净 《中国包装》1995,15(4):56-57
不干胶标签的印刷杨净PressureSensitiveLabelandIt’sPrinting¥YangJingAbstract:Thisarticletalksaboutthepressuresensitivematerial,labelPrint...  相似文献   

20.
Whenafirm’smanagementisseparateanddistinctfromtheprovidersofthefirm’scapital,managershaveare sponsibilitytouseassetsefficientlyinpursuitofthefirm’sobjective .Ensuringthattheydosoisimportanttoafirm’ssuccessfuleconomicperformanceaswellastoitsabilitytoatt…  相似文献   

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