VALUE ADDING PATTERNS IN PRODUCT DEPLOYMENT ACROSS LIFE STAGES

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1、VALUEADDINGPATTERNSINPRODUCTDEPLOYMENTACROSSLIFESTAGESKikuoFujita,TakeshiNishikawa(GraduateSchoolofEngineering,OsakaUniversity,Japan)Abstract:Consumerproductsaredeployedfrommarket-instagethroughgrowing-upstagetomaturatedstagebygraduallyshiftingtheirappealingfeaturesfromfundamentalfun

2、ctionstosupplementalvalue-additionovertheirlifestages.Thispaperinvestigatestheunderlyingdesignpatternsinsuchproductdeploymenttowardrevealingdesignknowledgewithwiderandlongervisions.Aftertheanalysisprocedureisorganizedbycombiningqualityfunctiondeployment(QFD),cost-and-worthassessmenti

3、nvalueengineeringandcostestimationmethods,designchangesacrossthreedifferentvacuumcleanersforJapanesemarketinthelastthreedecadesareinvestigatedasanexamplecase.Thegottenempiricalresultsindicatethepossibilityinarticulatingdesignknowledgeforefficientproductdefinitiontowarddesigndeploymenta

4、crosslifestages.Keywords:ProductDesign,DesignEngineering,ProductDefinition,QFD,ValueEngineering,LifeStage1INTRODUCTIONValueadditionDesignofconsumerproductssuchashomeappliancesandelseisaffectedbynotonlytechnologydevelopmentbutalsosocietygrowthandconsequentKanseivaluesMaturatedlifestyle

5、changes.ThismeansthatvalueadditionGrowing-upmustplayanessentialroleinproductdesignanddevelopmentsinceadditionalvaluesaremainlydueMarket-intochangesincustomerrequirementsratherthantechnologicalpossibilities.UndertheviewpointfromUsevaluesdesignengineers,thissituationrequiresforthemtoha

6、veproductdefinition[1]beforeactuallyproceedingdesignFig.1ProductlifestagesunderusevaluesversusactivitiesandtoestablishappropriatedesignplanforKanseivaluesproductsacrossdifferentgenerationsandfurtherlifestages.inFig.1.Underthiscategorization,consumerproductsThispaperdiscussesthedesignd

7、eploymentpatternsaregenerallydeployedthroughseverallifestagesunderofconsumerproductsthroughempiricallyanalyzingtechnologydevelopment,lifestylechangesandsoforth.threetypicalhome-usevacuumcleanersindifferentTypicalsituationsaredefinedasthefollowingstagesinagesfortheJapanesemarket.First,

8、theirsystema