福特公司DV--PV培训教材

DesignVerificationandProductionValidation设计验证和生产确认,Welcome,FordTechnicalEducationProgram福特技术培训项目,CourseStructure课程结构,IntroductiontoDVinthiscase,FEADbelttension.测量系统分析是验证用来测量过程的设备性能，在这里即指FEAD皮带张紧力ProcessCapabilityisanassessmentoftheabilityofthemanufacturingprocesstoproduceproducttoitsengineeringspecification.过程能力是生产产品符合其工程技术规范的产品的制造过程能力的评估,FEADBeltTensioningFEAD皮带张力调整,Inadjustingthebelttothecorrecttension,atensioningunitisplacedontheFEAD.要调整皮带至正确的张紧力时，把张紧装置放在FEAD上FortheFEADshownhere,tensioningisaccomplishedbyadjustingthepositionofanidlerpulleyusingajackscrew.针对这里所示的FEAD，使用螺旋起重机通过调整惰轮的位置来完成张力调整,FEADTensioningOperationFEAD张力调整操作,Theteamreviewedhistoricalinformationontensioningoperationssimilartotheoperationtheyweregoingtovalidate.小组审核了与他们即将确认的操作相类似的张紧操作的历史信息TheywereparticularlyinterestedinaG8Dstudythathadbeenconductedonaproblemencounteredduringongoingproduction.他们尤其对现生产中所遇问题采取的G8D研究感兴趣,ProbleminProduction生产中的问题,TheproblemwiththeFEADtensioningoperationoccurreddespitethefactthatProcessCapabilityhadbeenachievedasapartofProductionValidationafterthemachinehadbeeninstalled.尽管作为生产确认的一部分，过程能力已经达到，在安装机器后FEAD张力调整操作的问题还是出现了,RepresentativeValidationMethod典型确认方法,OnreviewingthebelttensioningproblemtheteamrecognizedtheneedtoreviewthewayinwhichProcessCapabilityoftheFEADbelttensionwasassessed.评审皮带张力调整问题时，小组意识到需要审核FEAD皮带张紧力过程能力的评估方式TheteamagreedthataValidationmethodshouldbedevisedthatwouldbemorerepresentativeofongoingproduction.小组同意应该设计一种更具有现生产代表性的确认方法。,VerificationofRobustness殷实可靠性的验证,VerificationofRobustnessneedstobeconsideredfortheprocessaswellastheproduct对过程和产品都需要考虑殷实可靠性的验证。,ApplyingREDinManufacturing在制造应用RED,Thesamenoisefactorconsiderationsapply相同干扰因素考虑事项应用ThesameNoiseFactorManagementStrategiesapply相同干扰因素管理策略应用EachneedstobethoughtofalittledifferentlytoREDfortheproduct对于该产品，每一项都需要对RED有不同的考虑,NoisesinthePFMEAPFMEA中的干扰,InthesamewaythatnoisesappearinthecausesectionoftheDFMEA,theshouldalsoappearintheCausesectionofthePFMEA同样的方式，干扰在DFMEA的原因部分出现，也应该在PFMEA的原因部分出现,NoiseFactorManagementStrategy噪声干扰因素管理策略,TheteamneededtorevieweachofthePotentialCausesforFailurelistedintheG8DorthePFMEAanddeterminetheappropriateNoiseFactorManagementStrategy.小组需要评审在G8D或PFMEA中所列失效的每一种潜在原因，确定适当的噪声干扰因素管理策略,FactorsAffectingProcessCapability因素影响过程能力,AninitialProcessCapabilityStudyneededtobeconducted.需要进行初始过程能力的研究Thetensioningoperationandthesubsequentmeasurementoftensionwouldpotentiallybeaffectedbyambientaudiblenoise.张力调整和随后张力的测量会潜在地受周围可听见噪声的影响,MeasurementSystemAnalysis测量系统分析,Beforeconductinganystudy,confirmationisrequiredthatthemeasurementsystemperformanceisacceptable.在做任何研究之前，需要确认测量系统的性能是可接受的。Iftheperformanceofthemeasurementsystem,isnotsatisfactory,thenanyProductionValidationconductedusingthemeasurementsystemmaynotbevalid.如果测量系统的性能不满意，那么使用该测量系统进行的任何生产确认都可能无效。,GaugeRthatis,atvehicle,system,sub-systemandcomponentlevels.验证和确认应该发生在系统工程V模型的所有级别上，也就是说，在整车、系统、子系统和零部件级别上。ThefocusofverificationshouldbeonthelowerlevelsoftheSystemsEngineeringVmodel.验证的焦点应该在系统工程V模型的较低级别上。,SummaryTestingType总结测试类型,Verificationisateam-basedprocessthatincludesrepresentativesfromallkeyareasinvolved.验证是一个以团队为基础的过程，包括来自所有参与领域的代表ProcessCapabilityandMeasurementSystemAnalysisareanintegralpartofProductionValidation.过程能力和测量系统分析是生产确认中的主要部分DV&PVtestsshoulduseasamplesizebasedonengineeringconfidenceDV&PV试验应该采用以工程可信度为基础的样本量Verificationshouldbebasedonanalyticaltestingwheneverpossibleandappropriateandconductedsystemicallyinanefficientandeffectiveway.只要可能和适当，验证应该以分析测试为基础，并以一种有效果和效率的方式系统地实施。,DV&PVasaTotalProcessDV&PV作为一个整体过程,DV&PVshouldbeviewedasatotalprocessintegratedintoFPDS.TheDV&PVprocessstartswiththecustomerrequirements,verifyingthatthedesignmeetstheserequirements,andendsupverifyingthattheproduct,asmanufactured,alsomeetstheserequirements.DV&PV应被视为并入FPDS中的一个整体过程。DV和PV过程以顾客的需求开始，验证设计满足这些需求，而以验证制造出的产品也满足这些需求为终点。,FeaturesofaGoodVerification/ValidationProcess好的验证/确认过程的特性,Featuresfoundinagoodverificationorvalidationprocessincludethefollowing:一个好的验证或确认过程中发现的特性包括下列各项：Drivenbyfunctionalrequirements以功能的需求驱动BasedonKeyLifeTestsdevelopedfromRealWorldUsageProfiles以从真实世界顾客使用状况开发出来的关键寿命试验为基础IncorporatestheeffectofallcriticalNoisefactors合并所有关键噪声干扰因素的影响Usesacceleratedtestingtechniqus使用加速测试技术Measuresfunctionaldegradation测量功能的退化Usesasamplesizebasedonengineeringconfidence使用基于工程可信度的样本量,Checklist检查清单,GoodDV&PVTesting:好的DV&PV测试：Isrequirementsdriven是需求驱动的IncorporatesREDprinciplesandprocesses合并RED原理和过程IncludestheeffectsofcriticalNoisefactors包括关键干扰因素的影响Confirmsrobustnessandreliability确定殷实可靠性和可靠性IsbasedonaKLT是以KLT为基础的Usesrelevantinformationasaninputtodevelopment使用相关的信息作为开发的输入P-diagramFMEAsGlobal8DsSDSsIsaccelerated是加速的MeasuresFunctionaldegradation测量功能的退化UsessamplesizebasedonEngineeringconfidence使用基于工程可信度的样本量IsconductedatthelowerlevelsoftheSystemsEngineeringVmodel在系统V模型的较低级别进行UsesCAEbasedmethodswhereverpossible尽可能使用基于各种方法的CAE,NextSteps下一步,TaketheAPEL进行APEL,VerificationofProductDesignandManufacture产品设计和制造的验证,Theneedtoverifyadesignappliesequallyto验证设计的需要同样应用于thedesignofaproduct产品的设计thedesignofthemanufacturingprocessbywhichtheproductismade生产该产品的制造工艺的设计Bothverificationandvalidationareconsideredasconfirmation.验证和确认两者皆被视为确定,DesignVerification设计验证,DesignVerificationcanbeaccomplishedthroughaseriesoftests.Suchtestscanbe:设计验证可以通过一系列的试验来完成。这些试验可以是：Physical(testingofhardware)物理的（硬件测试）Analytical(usingmathematica