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1、汕头大学硕士学位论文AbstractAstheriseoflivinglevel,therequirementsofpeopleonprecision,speedandenvironment-protectionofmechanicalpropertiesarehigherandhigher,whichasksprofessionalpersonnel,basedonthemarketrequest,applymoderndesignmethodsincludingmodulardesign,standardizationdesign,robustdesign,reli
2、abilitydesignandlife-cycledesignandcanproposesolutionsofdesignofmechanicalproducts.Mechanicaldesignhasbeenchangedfrommainlyrelyingononeself’sexperiencetowhatisnowaprocesswhichdependsoncomputertechnology,moderndesignmethods,standardization,industryregulationandsoon.Experiencedesignreliesh
3、eavilyondesigners’personalexperienceandlevel,causingenormouswasteofproductionmaterials.Moderndesignmethodshavecharacteristicsofdiversity,functionality,efficiencyandsoon.Thispaperresearchedoneofmoderndesignmethods,robustdesignandthemaincontentsarethefollowings.1)Inordertoimprovethemarketc
4、ompetitivenessofmanufacturingenterprises,proposeadesignmethodofreducingcostofproducts.Therequirementsonenergyconservationandemissionsreductionofmanufactureindustryaremorestronglyinthesociety.Robustoptimizationcostdesigncanletenterprisesreducetheproductioncostthroughreplacingcurrentequipm
5、entpartsbymorecheapones,andatthesametimetheproductfunctionwillnotbeaffected.Basedonafullunderstandingofmechanicalproducts,adoptingtherobustoptimizationcostdesigncanrelaxtherequirementsfortheaccuracyofcomponentsorparts.Thelinearproblemisthebasisofthenonlinearproblem.Thispaperfirstlyreview
6、sthelinearengineeringmodelrobustdesign,andthenproposesamethodwhichcanreducethecostofproductsundertheconditionofhavinggottentherelationshipamongvariancesofqualitycharacteristicsandinputparameters.Gettheoptimalcombinationofinputparameters.Itnotonlyguaranteesthecurrentproductquality,butalso
7、reducestheproductioncostthroughlooseningrequirementstotheaccuracyofinputequipments.Forthenonlinearengineeringmodel,ensureproductperformanceunchangedorevenimproved.ThroughTaylorexpansiongettheexactrelationshipsamongpartstolerances,designIII汕头大学硕士学位论文parametersandqualitycha
