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200388:100026788(2003)08200362061,2,1,1(1.,110004;2.,110004):,,L,,,L,L:;;;:TP12:AAnApproachofIdentifyingCustomerRequirementsWeightsBasedonHouseofQualityCHENYi2zeng1,TANGJia2fu2,RENZhao2hui1,RENLi2yi1(1.SchoolofMechanicalEngineeringandAutomation,NortheasternUniversity,Shenyang110004,China;2.SchoolofInformationScience&Engineering,NortheasternUniversity,Shenyang110004,China)Abstract:QFDutilizesHouseofquality(HOQ)toprovideaconceptualmapfordesignprocess,asaconstructionforunderstandingcustomerrequirementsandestablishingprioritiesofengineeringcharac2teristicstosatisfycustomerwants.Inthispaper,byintroducingtheconceptsofplanimprovedlevel,actualimprovedlevelandmodifiedweightofengineeringcharacteristics,optimizationmodelsinvolvedwithHOQfortheidentificationofconsensusrankingsandratingsarepresentedthattakeintoaccounttheprioritiesandperceptionsofallthecustomersinatargetmarket.Themodelscanhelpdesignteami2dentifyoptimalengineeringcharacteristicimprovedlevelsforthenewöimprovedproductthatsatisfiesabudgetconstraintandmatchesorexceedsthesatisfactionexpectationsofallcustomerssurveyedinthetargetmarketbasedontheconsensusrankings.Illustratedexampleandsimulationresultindicatesthatthemodelisreasonableandeffective.Keywords:qualityfunctiondeployment(QFD);houseofquality(HOQ);customerrequirementsweight;mathematicoptimalmodel:2002206205:(70002009);(2002-350);:(1971-),,,,(CIMS)QFD,Email:zhycyz@yahoo.com.cn1(QualityFunctionDeployment,QFD)[1,2],()(),,,,,LQFD(HouseOfQuality,HOQ),,[3-5]L©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.L,L,,,[6]LQFDL,,L,L,L,:CRii,(i=1,,m),m;ECjj,(j=1,,n),n;P,pjk,ECjECk;R,rij,CRiECj;W,wiCRi;U,uiCRi;S;V,V,vj,vjECj;lj,lmaxj,lminjECj;xj,yjECj;C,Cj,cjECjZ2P,pjkECjECkZ1232529,12325,9Z,Z,pjk(-1,1]ZECjECk,pjk=0;ECjECk,pjk0;ECjECk,pjk0;ECj,pjj=1ZP,:PT=P(1)xj:,ECjZyj:,ECjZ,(1),(2)[7]Z(2)(3):lj=lmaxj-(lmaxj-lminj)yj(2)lj=lminj+(lmaxj-lminj)yj(3)12,ECjyj,:738©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.yj=xj+6nk=1kjxkpjk=6nk=1xkpjk,j=1,,n(4):Y=PTX=PX(5)1-6nk=1kjxkpjk=0,,ECj,ECjxj=0Z,ECjxj+6nk=1kjxkpjk1,,xj+6nk=1kjxkpjk0,,:0Fyj=xj+6nk=1kjpjkxk=6nk=1pjkxkF1,j=1,,n(6),:0FxjF1,j=1,,n(7)3,ZcjECj,Z,CjcjZQFD,,,:Cj(yj)=cjyj(8),:c3j=cj1-6nk=1kjxkpjk(9)ECj:Cj(yj)=c3jyj=cj1-6nk=1kjxkpjkxj+6nk=1kjxkpjk(10),B,:C(x)=6nj=1cj(xj)=6nj=1cj1-6nk=1kjxkpjkxj+6nk=1kjxkpjkFB(11)4[4]:S=6mi=1wiui=WTU(12),ui,:ui=6nj=1rijyj,i=1,,m(13):U=RY(14):S=WTRY=(RTW)TY=VTY(15)8320038©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.V=RTW(16),V,vj=6nj=1wirijECjZ(5)(15):S=VTPX=(PTV)TX=(PV)TX(17),Z,V,vj=6nk=1pjkvkECj,:V=PTV=PV(18),(P1):(P1)maxS=WTRPX=6mi=16nj=16nk=1wirijpjkxj=6nj=1vjxj(19)s.t.QjF6nk=1pjkxkF1,j=1,,n(20)(7),(11),QjECj,ZxjZ5:wiggCRi,(g=1,,g0),g0;vjg=6mi=1wigrij,vjg=6nk=1pjkvkggECj;(P1g)(P1),gWgW;S3g(P1g)Z,g,Wg(P1g),,S3gZ,,H,(P2):(P2)maxS=ming=1,,g06mi=16nj=16nk=1wirijpjkxj-S3g(21)s.t.6mi=1wi=H(22)wminiFwiFwmaxi,wi,i=1,,n(23),wmini,wmaxiiZ,(P2)(P2,):(P2)maxS(24)s.t.6mi=16nj=16nk=1wirijpjkxjES+S3g,g=1,,g0(25)(22),(23)P2(P2),W3=(w31,,w3n)Z(P1),(P1W3),W3Z:(P1g):g=1,,g0,(P2)(P2),(P1W3)6,QFD,,3Z938©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.5:1)(CR1);2)(CR2);3)(CR3);4)(CR4);5)(CR5);5:1)(EC1);2)(EC2);3)(EC3);4)(EC4);5)(EC5)Z4,g0=4,W1W2W3W4Z[15],wmini=1,wmaxi=5,i=1,,5ZH=15Z,lmaxjlminjZcjZB45Z-,+ZQj=0.5,j=1,,nZ(3)P:U=9010009000009000009000009P=10000010.330000.3310000010000013W1W2W3W4(3)(16)(18),:V1=(45,55.56,46.85,9,9)T,V2=(45,40.62,25.88,9,36)T,V3=(36,25.26,27.94,0.5,0.5)T,V4=(9,48.21,48.88,36,18)T,(P),:S31=105.58,S32=108.56,S33=104.11,S34=102.18,X31=(0.5,0.79,0.65,0.5,0.5)T,X32=(0.56,0.94,0.19,0.5,1)T,X33=(0.5,0.84,0.39,0.5,1)T,X34=(0.5,0.84,0.25,1,0.5)T,(P2):maxSs.tw1+w2+w3+w4+w5=155.419.048.294.55.549.024.513.595.178.72613.595.038.34.7413.54.5w1w2w3w4w5ES1111+105.58108.56104.11102.181FwiF5,wi,i=1,,50420038©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,W3=(1,5,3,5,1),maxS=19.13ZW3(16)(18),:V3=(9,52.24,42.85,45,9)T,(P)(PW3),(PW3)X3=(0.5,0.88,0.21,1,0.5)T,S3=maxS=110.67Z(6):Y3=PX3(0.5,0.95,0.5,1,0.5)TZ(2)(3):L3=(77.5,88.5,0.035,25,0.18)TZ,:1)W3,W3S3S31,S32,S33,S34;2)EC2,EC30.88,0.21,EC2EC3,EC2EC30.95,0.5Z,,Z7,Z,,,Z,Z:[1]AndreasHerrmann,FrankHuber,ChristineBraunstein.Market2drivenproductandservicedesign:Bridgingthegapbetweencustomerneeds,qualitymanagementandcustomersatisfaction[J].IntJProductionEconomics,2000,66:77-96.[2]GeorgeL.Variaktarakis.Optimizationtoolsfordesignandmarketingofnewöimprovedproductsusingthehouseofquality[J].JournalofOperationsManagement,1999,(17):645-663.[3]JiafuTang,RichardYK,etal.Anewapproachtoqualityfunctiondeploymentplanningwithfinancialconsideration[J].Computer&OperationsResearch,2002,29(11):1447-1463.[4]LockamyAIII,KhuranaA.Qualityfunctiondeployment:acasestudy[J].ProdInvManageJ,1995,36(2):56-59.[5]JohnJCristiano,JefferyKLiker,etal.Keyfactorsinthesuccessfulapplicationofqualityfunctiondeployment(QFD)[J].IEEETransactionsonEM,2001,48:81-95.[6]TachoPark,Kwang2JaeKim.Determinationofanoptimalsetofdesignrequirementsusinghouseofquality[J].JournalofOperationsM