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申请上海交通大学学士学位上海交通大学学士学位论文多工序加工系统质量可靠性集成建模研究专业：工业工程本科生：****导师：****教授学号：****上海交通大学机械与动力工程学院2009年6月BA.DissertationSubmittedtoShanghaiJiaoTongUniversityQUALITY-RELIABILITYINTEGRATEDMODELINGINMULTI-STATIONMACHININGSYSTEMSSpecialty:IndustrialEngineeringAuthor:****Advisor:****StudentID:5****2SchoolofMechanicalEngineeringShanghaiJiaoTongUniversityJune,2009多工序加工系统质量可靠性集成建模多工序加工系统质量可靠性集成建模研究摘要加工系统可靠性是保证产品质量和生产率的重要因素之一。在多工序加工系统中，系统的停工可由系统要素故障或产品质量不合格引起，因此多工序加工系统的可靠性应当同时考虑系统要素和产品质量的影响。目前很多学者在可靠性分析方面已有大量研究成果，但大多仅考虑了加工系统要素方面的因素，而未考虑产品质量对各加工系统要素的影响以及相互之间的作用。ChenY.等提出了“质量可靠性交互作用”的理论，建立了多工序加工系统的质量可靠性集成模型，有效的描述了多工序加工系统中产品质量和加工系统要素可靠性之间的交互作用。但是在ChenY.等提出的模型中，忽略了要素间的相互影响，没有考虑系统要素衰退对系统要素故障的影响。本文拟通过研究系统要素间的相互作用，改进了质量可靠性交互作用的理论，完善了多工序加工系统质量可靠性集成建模研究。本文通过MATLAB编程，实现了多工序加工系统质量可靠性集成建模，并通过蒙特卡洛模拟得到系统可靠性的定量分析。另外，本文以VisualC++6.0为平台，开发了“多工序加工系统质量可靠性集成预测系统”，该系统包括“质量可靠性分析”、“性能分析”和“过程控制”三个模块，可对多工序加工系统的可靠性进行预测，并分析系统可靠性对质量可靠性交互作用的敏感程度。同时，该系统还可实现在生产周期结束后对加工系统进行静态分析和在生产过程中对系统进行动态控制等功能。关键词：多工序加工系统，质量可靠性交互作用，性能衰退，故障，系统可靠性多工序加工系统质量可靠性集成建模QUALITY-RELIABILITYINTEGRATEDMODELINGINMULTI-STATIONMACHININGSYSTEMSABSTRACTSystemreliabilityisavitalfactorinensuringproductqualityandproductivityinaproductionprocess.Thedowntimeofamachiningsystemiscausedbybothmachiningsystemcomponentfailuresandnonconformingproductsproducedbyadegradedsystem.Therefore,systemreliabilityofamulti-stationmachiningsystemshouldaddressnotonlytheeffectsofmachiningsystemcomponentsbutalsotheeffectsoftheproductquality.Variousresearcheffectshavebeenmadetostudysystemreliabilityinthecomponentandsystemstage.Butmostofmethodsconsideronlytheeffectsofsystemcomponents,andoverlooktheeffectsofproductqualityandtheinteractionbetweentheproductqualityandthesystemcomponents.ChenY.proposedthetheoryof“theinteractionbetweenproductqualityandcomponentreliability”,anddevelopedthequality-reliability-integratedmodel,whichcaneffectivelydescribetheproductqualityandcomponentreliabilitydependencyinthemulti-stationmachiningsystem.Butthemodeltheyproposedoverlookedtheeffectsbetweenthesystemcomponentsanddidnotconsidertheeffectsbetweensystemcomponentsdegradationandsystemcomponentsfailures.Thispaper,consideringtheinteractionsbetweensystemcomponents,proposesanimprovedconceptofquality-reliabilityinteractioneffect,anddevelopsanewquality-reliabilityintegratedmodel.ThroughMATLABprogramming,thenewquality-reliabilityintegratedmodelofthemulti-stationmachiningsystemisachievedandananalyticalsolutionforthesystemreliabilityisobtainedbydoingMonteCarlosimulation.Inaddition,thispaper,usingVisualC++6.0asaplatform,developsamulti-stationmachiningsystemquality-reliability-integratedforecastingsystem,whichincludesthreemodules:“quality-reliabilityanalysismodule,performanceAnalysismoduleandprocesscontrolmodule.Thissystemcanpredictthesystemreliabilityofamulti-stationmachiningsystemandanalysisthesensitivityofquality-reliabilityinteractioneffect.Atthesametime,thesoftwaresystemcanachievestaticanalysisafterproductioncyclesandmakedynamiccontrolsduringtheproductionprocess.KEYWORDS：Multi-stationMachiningSystem,Quality-ReliabilityInteraction,Degradation,Failure,SystemReliability多工序加工系统质量可靠性集成建模目录第一章绪论..................................................................11.1课题研究背景及意义...................................................11.1.1研究背景.......................................................11.1.2研究意义.......................................................11.1.3国内外研究现状.................................................21.2论文主要内容.........................................................3第二章多工序加工系统质量可靠性集成建模......................................42.1引言.................................................................42.2质量可靠性交互作用介绍...............................................42.2.1加工系统要素与产品质量的关系.......................................62.2.2加工系统要素衰退建模...........................................62.2.3下游产品偏差建模...............................................72.2.4加工系统要素故障建模...........................................82.3多工序加工系统质量可靠性集成建模.....................................92.3.1建模面临的问题................................................102.3.2质量可靠性集成建模步骤........................................102.3.3质量可靠性集成建模过程........................................102.3.4蒙特卡洛法求解................................................132.3.5质量可靠性集成建模优化........................................142.4本章小结............................................................15第三章多工序加工系统质量可靠性实例研究.....................................163.1引言................................................................163.2模型建立............................................................163.3基于MATLAB蒙特卡洛法的实现.........................................193.4结果分析............................................................203.4.1质量可靠性预测................................................203.4.2质量可靠性敏感度分析..........................................223.5本章小结............................................................23第四章多工序加工系统质量可靠性集成预测系统软件开发.........................244.1开发软件平台........................................................244.1.1MATLAB简