工業(yè)工程外文翻譯

PAGEPAGE9 畢業(yè)設(shè)計(jì)(論文)英文翻譯學(xué)生姓名：蔣偉偉 學(xué)號(hào)：所在學(xué)院： 經(jīng)濟(jì)與管理學(xué)專 業(yè)： 工業(yè)工程設(shè)計(jì)(論文)題目：指導(dǎo)教師：2012425TheMethodsforSolvingtheProblemofBalancinganAssemblyLineCurrently,alongwiththemarketchanging,someforerunnersproductionmodegotanextensiveapplicationinthemanufacturingindustry.Howraiseawholeefficiencyofassemblingtheproductionline,reduceaworkprefaceintheware,andpursuetosynchronizeproductionisvaluedbymoreandmorepeople.Theproductionofmanufacturingindustryismostlikelyaftercarryingonsubdividingtoturnofhaveanotheraworkprefaceflowingwatertoturnacontinuoushomeworkproductionline,atthistimebecauseofdivisionofhomework,thetimeofeachworkprefaceoperatescan'tcompletelythesameintheoreticallyandphysically,thisphenomenonthatcertainlywillleadtoaworkprefacehomeworkburdenunbalance.Inadditiontolosing,resultinthemeaninglessman-houralsoresultinagreatdealofworkprefacepileup,sometimeswillresultintheabeyanceofproductionline.Assemblylinebalanceisakindofmeansandmethodforresolvinganabove-mentionedproblem,itistomakeallworkcarryonequally,carryingonaresearchtothehomework,carryingonameasurementtotime,makingtheAssemblylinemovingsmoothly.Theassembleisthelastlinkofproduction,assemblingprocessmainlywiththegearingofparts,tightlysolidinlord;secondlyalliedconnect,presstopackandaddtonotevariousworktoliequalityandqualityexaminationofworkpreface,sometimesstillwanttochoosetopackaccordingtothecustomerintention.Thewholeassemblehomeworkiscomplicated,belongingtoalaboranintensivetypeengineering.Therefore,thebalanceofexaltationassemblylinehasimportantrealisticmeaningtoexaltation'sproductionefficiencyofthecarassemblyline.Theassemblylineequilibriumproblemisthelong-losttypeofatypeoftypicalmodelthecombinationisexcellenttoturnaproblem,particularlyisforrandom,manytheassemblylineequilibriumproblemoftarget,solvetothesatisfactionseldommoreonacertaindegree.Mainlyisdividedintothefollowing3aspectstotheresearchofassemblylineequilibriumproblemcurrently:Givetherhythmoftheassemblylinecertainlybegminimumworkstationnumber,usuallyintheassemblylineofdesignandinstallthestagecarryon;Theminimumworkstationgiventosettleassemblylinenumber,makethe rhythmofassemblylineminimum,toalreadyexistoftheproductionlinecarryonadjustexcellentturn;Getinworkstationnumberandrhythmofassemblylineexcellentturnundercertaincondition,allsparseassembletheburdenofon-lineworkstation,givethestaffmemberakindoffairfeeling.Becausethebalanceassemblylinealwayslong-losttypeofthecombinationproblem,welookingforthesuperiorsolutionmoredifficult,soadoptedasuitablemethodto resolvetheassemblylineequilibriumproblemtocausetheextensiveconcernofeachbusinessenterprisefieldandacademiccircles.Afewtypicalmodelsofwaterlineequilibriumproblemofthistextaimconvectionsolveamethodtocarryonmoreanalytical;puttingforwardresolvingthatproblemcangoamethod.TheassemblylineequilibriumproblemisatypicalNP-hardtocrack,currently,themethodwhichsolvesthiskindofproblemcanreturntoknotto3:Inspiretypemethod,superiorturnmethod(mathematicsmodelmethod)withindustrialengineeringmethod.Superiorturnmethodisthesuperiorsolutionthatpassesestablishmentmathematicsmodeltolookforaproblem.Thoughthemathematicsmodelmethodcanfindoutthesuperiorsolution,thephysicallyappliedhourisverytedious;Usuallyapimpingproblem modelthatneedtobeconstructedverybig,thecalculatorconsumeshouralsomore.BelowIwillmakeanalysisuselinearprogrammingmethodanddynamicstateprogrammethod.Thelinearprogramming(LinearProgramming,briefnameLP)problemisatargetfunctionpeacetreaty'styingconditionsarethealllinesandsuperiortoturnaproblem.Thelineprogrammingisthesuperiortoturnoneoftheimportantcategoriesintheproblemrealm,makinguseofthelineprogrammingmethodtosolveanALBproblemisin60sin20centurieswaitedforsomeonebyBowmanEHtoputforward,itsstipulationconditionandtargetfunctionestablishmenteasy,buttheoperationmeasureverygreatly,withactualthecircumstancediffermoreandfar.Aftersomescholars'takingintothiscalculatewaytoimprove,butoperatingquantitiesarebigger.Becausetheprogrammingmodelmethodoftheusagelinesolvesoperationquantityverygreatly,thelineequilibriumproblemthatcansolvethepiecelessofthehomeworkchemicalelement,withactualthecircumstancedifferverybig,forthisreasonmethodtheresultobtainedisn'tveryidealinphysicallytheapplication.Thedynamicplan(dynamicprogramming)thealgorithmisonecommonlyusedmethodthatsolvesthemulti-stagesdecision-makingprocessoptimizationquestion;itisverydifficultandskillful.Thedynamicplanrealizationisnotcertainlycomplex,issuitableformanyquestions,whensolutiongeneralquestionisoneofwefirstchoicealgorithms.But,thedynamicplan mathematical model establishment is not an easy matter,most difficult also mostimportantly condition expression. The dynamic plan condition expressed the sub-questionmustsatisfythemostsuperiorchildconstitutiveproperty,otherwiseunabletoestablishthecorrectdynamicplanmodel.Solvestheproblemwhentheapplicationdynamicplanmethod,shouldfirstestimatethequestionthetime,thespace,ifthequestionhasthedimensionbarrier,thenthedynamicplanconditionexpressedverydifficulttosatisfythecomparativelylarge-scalequestionthespatialrequest.Wemustseekthealternativemeansinaddition.ThedynamicplanlawutilizestowhensolvingtheALBproblem,itsconditionexpressionwithvariousworkstationsworkelementprocessperiodrelated,oftenwhendeterminationdynamicupperboundarymustaffectasmallerconditiontothesystemtocarryonthedeletion,achievedreducestheoperandthegoal.Theheuristicmethodbyitssimple,easytounderstand,wasfastandhassatisfiedwonthemultitudinousadministrativepersonnel'strustandthewelcome,andiswidelyappliedtodomain.Itsproductionmainlyisforovercometherealisticmodelingthedifficulty,providesonekindofmoreeffectivepolicy-makingtoolCompares withtheoptimizedmethod,theheuristicmethod merit mainly has: The logical model approaches to the reality,the flow establishmentinthefoundationwhichthepolicy-makerexperiences,thereforetheheuristicmethodisconcealingthemulti-goalsplan;Itsmainlimitationisitsstaticstate,namelyinthebalanceprocess,thefixedcriteriondetermines firstthecriterionin advance,butfromprocessingprocess!、themarketdemandandthecompanystrategylookedthat,theenvironmentisthedynamicchange.Theheredityalgorithm(geneticalgorithms,wascalledGA)isJ.Hollandwasproposedin1975thebiologicaltheoryofevolutioninspiration.GAisbasedonthesurvivalofthefittestonekindhighlyparallel,stochasticandtheauto-adaptedoptimizedalgorithm,heexpressedthequestionsolutionchromosomesurvivalofthefittestprocess,throughthegroupgenerationofunceasinglyevolves,includingduplication,overlappingandoperationandsoonvariation,finallyrestrainstotheindividualwhichmostadaptstocircumstancesorenvironment,thusobtainsthequestiontheoptimalsolutionorthesatisfactorysolution.Compareswiththetraditionaloptimizationmethod,theheredityalgorithmmeritis:Communitysearch;Doesnotneedthederivativeoftheobjectivefunction;Probabilityshiftcriterion.Inrecentyears,becausetheheredityalgorithmsolvedthecomplexoptimizedquestionthehugepotentialandit’sinindustrialengineeringdomainsuccessapplication,thisalgorithmobtainedthewidespreadattention.Theheredityalgorithmoftenappearsin theactualapplicationprecociouslyrestrainsandrestrainstheperformanceinferiorshortcoming,thenowadayssomeimprovementmethodsmostlyisaimsatthegeneoperation,population'smacroscopicoperation,carriesonbasedontheknowledgeoperationandparallelGA.PersonandsoonWangYunfengutilizestheblendinginheritancealgorithmsolutionassemblylinebalancequestion,thisalgorithmtheheuristicrule,theheredityalgorithm,thesimulationAnnealArithmeticalgorithmsynthesizesintogether,bothhasusedtheheuristicrulebasedontheexperiencesuperiority,mayenhancethealgorithmthespeed,and may cause the heredity algorithm and the simulation Anneal Arithmetic superioritysupplementary,effectivelyhassolvedtheassemblylinebalancedproblem.Theindustrialengineering(IndustrialEngineering,iscalledIE)thethoughtmostearlyisproposesfatherofTaylorbyscientificmanagementinthebeginningof20thcentury,itistheintegratedsystemwhichbytheperson,thematerial,theequipmentorthefacility,theenergyandtheinformationcomposesforthemainresearchobject,synthesisapplicationprojecttechnology,managementscienceandsocialsciencesknowledgeandsoontheorymethod,enablesittoachievereducesthecost,improvesthequalityandthebenefitgoal,simultaneouslyprovidesthepolicy-makingbasisforthescientificmanagement.Mainlyisthemethodresearchandtheworkdeterminestwobigtechnologiesbytheindustrialengineeringprimarilyproductionlinebalancecorrelationtechnology,utilizesthistechnicalthemeritiscausestheenterpriseinnottoinvestorinthefewinvestmentssituation,doesnotincreasetheworkerlaborintensityevenreducesthelaborintensity,throughimplementsaseriesofsuitsowncharacteristicimprovementmethod,totheproductionprocessoperationalprocedure,theoperationmethod,theMODmethod,thematerialdisposition,thespatiallayoutandtheworkenvironmentandsoonvariousaspectscarriesontheimprovement,achievedtheenterprisebalanceproductionlinethenenhancementproductivity,obtainstheeconomicefficiencythegoal.Theimprovementistheenterpriseeternalsubject,buttheindustrialengineeringpursuesthegoalwillbeforeverthewithoutlimitsimprovement,theutilizationcorrelationtechnologyisbalancedtotheproductionline,willreducetheconsumptionfortheenterprise,willenhancetheproductivity.Inrecent20years,theindustryinsideandoutsideenvironmenthadtheverybigchange,theknowledgeeconomytimewasarriving,theproduction linebalancemethodsystem alsowillhavethenewcharacteristicandtheresearchdirection,mettheneedwhichunderthenewenvironmenttheeconomygrew.Inadditionalsohascorrelationmethodandsoonarrangementofequipmentalsomaysuitablyenhancetheequilibriumratiosoftheproductionline,bringsthebiggereconomicefficiencyfortheenterprise,waitsforwetocontinuetomakethefurtherponderandtheresearch.Theassemblylinebalancequestionhasexperiencedfromtheoptimizealgorithmtotheheuristicalgorithm,untilmodernartificialintelligencemethodandindustrialengineeringmethodprocess.Thisarticleinviewofthelinearprogramminglaw,thedynamicplanalgorithm,theheredityalgorithmandtheindustrialengineeringmethodthesefoursolutionsassemblylinebalancequestiontypicalmethodhasseparatelymadethebriefanalysis,haspointedouteachalgorithmgoodandbadpointsandtheapplicationsituation.Theassemblylinebalancequestionisakindoftypicalseparatecombinationoptimizationquestion,regardingisinparticularstochastic,themulti-goalsassemblylinebalancequestion,usestheappropriatemethodinsomekindofdegreealltobeabletoobtainthesatisfactorysolution.Whilewhichsolvesusingtheoptimizedmethod,nearlyallusedthesimulationtechnology,alongwiththecomputertechnologydevelopment,carriesontwotimes of developments in the present existing software package foundation, established the visiblehypothesizedsimulationassemblysystem,realizedtheassemblylinedynamicalequilibriumeffect,willbeworthfurtherstudyingandthediscussion.Atpresent,theassemblylinebalancequestionmostlyconcentratesinthediscussionsinglescrollassemblylinetimebalancedques