物流配送中心选址外文文献讲课教案.docx
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物流配送中心选址外文文献讲课教案
logisticsdistributioncenterlocationfactors:
(1)thegoodsdistributionandquantity.Thisisthedistributioncenteranddistributionoftheobject,suchasgoodssourceandthefutureofdistribution,historyandcurrentandfutureforecastanddevelopment,etc.Distributioncentershouldasfaraspossibleandproducerformintheareaanddistributionshortoptimization.Thequantityofgoodsisalongwiththegrowthofthesizedistributionandconstantgrowth.Goodshighergrowthrate,themoredemanddistributioncenterlocationisreasonableandreducingconveyingprocessunnecessarywaste.
(2)transportationconditions.Thelocationoflogisticsdistributioncentershouldbeclosetothetransportationhub,andtoformthelogisticsdistributioncenterintheprocessofapropernodes.Intheconditional,distributioncentershouldbeasclosetotherailwaystation,portandhighway.
(3)landconditions.Logisticsdistributioncentercoversanareaoflandinincreasinglyexpensiveproblemtodayismoreandmoreimportant.Istheuseoftheexistinglandorlandagain?
Landprice?
Whethertoconformtotherequirementsoftheplanforthegovernment,andsoon,intheconstructiondistributioncenterhaveconsidered.
(4)commoditiesflow.Enterpriseproductionofconsumergoodsasthepopulationshiftandchange,shouldaccordingtoenterprise'sbetterdistributionsystempositioning.Meanwhile,industrialproductsmarketwilltransferchange,inordertodeterminetherawmaterialsandsemi-finishedproductsofcommoditiessuchaschangeofflowinthelocationoflogisticsdistributioncentershouldbeconsideredwhentheflowofthespecificconditionsoftherelevantgoods.
(5)otherfactors.Suchaslabor,transportationandserviceconveniencedegree,investmentrestrictions,etc.
Howtoreducelogisticscost,enhancetheadaptivecapacityandstraincapacityofdistributioncenterisakeyresearchquestionofagriculturalproductlogisticsdistributioncenter.Atpresent,mostoftheresearchonlogisticscostconcentratesofftheoreticalanalysisofdirectfactorsoflogisticscost,andsolvestheproblemofover-highlogisticsCostmainlybydirectchannelsolution.Thisresearchstressesontheviewofhowtoloeatedistributioncenter,analyzestheinfluenceoflocatingdistributioncenteronlogisticscost.andfindsonekindofsimpleandeasylocationmethodbycarryingonthelocationanalysisofdistributioncenterthroughcomputermodelingandtheapplicationofExeel.Sothelocationofagriculturalproductlogisticsdistributioncentercanbeachievedscientificallyandreasonably,whichwillattainthegoalofreducinglogisticscost,andhaveadecision.makingsupportfunctiontothelogistiesfacilitiesandplanningofagriculturalproduct.
Theagriculturalproductlogisticsdistributioncenterdealswithdozensandevenhundredsofclientseveryday,andtransactionsaremadeinhigh-frequency.Ifthedistributioncenterisfarawayfromotherdistributionpoints,themovingandtransportingofmaterialsandthecollectingofoperationaldataisinconvenientandcostly.costly.Themodernizationofagriculturalproductlogisticssdistributioncenterisacomplexengineeringsystem,notonlyinvolveslogisticstechnology,informationtechnology,butalsologisticsmanagementideasanditsmethods,inparticularthespecifyingofstrategiclocationandbusinessmodelisessentialfortheconstructingofdistributioncenter.Howtoreducelogisticscost,enhancetheadaptivecapacityandstraincapacityofdistributioncenterisakeyresearchquestionofagriculturalproductlogisticsdistributioncenter.Theso—calledlogisticscostsreferstotheexpendituresummationofmanpower,materialandfinancialresourcesinthemovingprocessofthegoods.suchasloadingandunloading,conveying,transport,storage,circulating,processing,informationprocessingandothersegments.Inaword。
thelogisticscostisthecostofcompletingalllogistiesactivities.Andtheresponsibilityofreducing109istiescostnotonlyreliesonthelogisticssection,butalsoontheestablishmentof”businessstrategy”toagreatextent.Inchainoperation.tolowertotallogisticscostofdistributioncenterisastrongsupportofchainsupermarket’s”profit”.Thelogisticscostinchainoperationoccupiesalargeproportionofthecostoftheentire2
circulation.Thechainsupermarketcompany’slogisticscostindevelopedcountriessuchasTheUnitedStates.JapanandEuropeusuallyaccountsfor4-6%ofthesales.Thelogisticscostofcoldstoragedistribution(includingfrozen,chilled)is2.5timesthelogisticscostofnormaltemperaturedistribution.Ifthespecialattentionisnotpaidtotheaccountingoflogisticscostofdistributioncenter,itwouldliketobringtheseriousconsequencetotheenterprise.
Thebestlocationofagriculturalproductlogisticsdistributioncentershouldbelocatednearby“RiverGarden”throughabovecomputermodelinganalysis;itistheminimumtransportcostfromeachof5pointstothelocation.Therearemanyuncertainfactorsdifficulttobemeasuredinactualapplications,whichcanbesolvedbyadjustingtransportratRi.Thislocationcanbasicallymeetthedemand.hekeyofthemodel’sapplicationistheaccuratesubstitutionofthemaps,anditisnotdifficulttofigureout.Inactuallogisticspractice,possiblyinvolvingtensorevenhundredsofdistributionpoints,theuseofcomputermethodswillbeveryvaluable。
Theoreticallyspeaking,althoughitsprecisionhascertainerror;comparedtothetraditionallocationmethoddependingonsubjectiveimagination.itisscientificsomewhat.Additionally,theabove-mentionedmethodisconcise,andnoadvancedcomputerprogrammingtechnologyisneeded,aslongaswithcertaincomputerknowledgeandoperatingskills,anyonecancompleteit,andeasilyapplyittologisticspractice.ExperiencesfromabroadshowsthatthecorrectlocationofagriculturalproductlogisticsdistributioncenterwillhelpthehealthyandOrderlydevelopmentoflogisticsindustry.
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如图(1-4)Therapidindustrializationandgrowthofmanycountriesaroundtheworldhasspurredthedevelopmentofsupplychainsmanagementreacharoundtheworld.Supplychainmanagementisthemanagementwhichincreasesthevalueofsupplychain.Itistheprocessofplan,moderatenessandcontrolamongdepartmentsandorganizationsinthewholesupplychaintotheflowofgoods,informationandcapitaletc.Itspurposeistomaximizenetvalueandincreaseoperationalefficiencyandeffectivenesstoallrelatedprocessthroughsystemoptimization.
Supplychainmanagementisthehighstageoflogisticsdevelopment,whichprovideopportunitiesformanufacturerstocutcostsandbeclosertoemergingand3
§8-4情境因素与消费者行为2004年3月20日highgrowthmarketsbutithasalsocreatednewrisks.Assupplychainsbecomemoreandmoredependentontheefficientoflogisticscenterinsupplychainhavegreatinfluencetothemodernlogistics.Itplayanimportantroleinmakinguseoflogisticresources,upgradinglogisticstechnologyandlogisticsequipment,improvingqualityofservice,improvinglogisticsinvestmentenvironment,promotingthegrowthofthethirdpartylogisticsprovider.Inaddition,thesiteselectionoflogisticsdistributioncenterisanimportantpartoflogisticsplanning,andthequalityofsiteselectionprogramhasadirectlyinfluencetoservicecostandscopeofthewholelogisticssystem.
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Ourmodelisavariantofthestandardfixedchargecapacitatedfacilitylocationmodelswithseveralsources;whichhasthesameconstraintsbutusesanon-linearobjectivefunctiontocapturetheoperationalaspectsofleadtimesandservicelevelexplicitly.Assiteselectionoflogisticsdistributioncenterisadiscretecombinatorialoptimizationproblem.Inthispaper,wediscusstheuseofgeneticalgorithms(GA)forsolvingthesiteselectionproblem.TheadvantageofGAisthattheirchromosomesrepresentationsdependontheconstraintsandnottheobjectivefunction.Thus,bymodifyingonlythefitnessfunction,wecanuseagivenrepresentationtodevelopGAtooptimizedifferentobjectivesunderthesameconstraints.
三、主要竞争者分析SiteselectionoflogisticsdistributioncentersisakindofNPhardproblem.Whenthenumberofvendorsanddeliverscrease,thecomplexityoftheproblemgrowsintheformofexponential.Attheprocessofsiteselection,thispaperconsiderthefactorsamongvendors,dealers,distributioncentersandtheoptimizationproblemsundersupplychainmanagementetcanddesignmesolutionmodelandtestthemodelwithmatlabatlast.Atpresent,thetheoreticalstudyandpracticalapplicationoftheoptimizationproblemisrelativelylessforthesystemofSiteselectionundermewholesupplychainmanagement.So,thispaperproposesthepracticemodeloftheproblemandtestitwithGAhasacentersignificanceofresearch.However,thispapersimplifiesthecostofdeliverypath,theimpactofcertainstoragemanagementstrategyandadministrativemeasurestositeselectionofdistributioncentersarenotconsideredtoo,etc.Thoseproblemsareallthefocusinourfuturestudy.
Theironandsteelindustryhasenormouslogisticscomponents;itisunderconstantpressuretoshortendeliverytime,improvequality,reducecost,andimproveservice.Therefore,howtocontrolthelogisticscostsundertheexistingconditionistheurgentproblemfortheironandsteelenterprises.
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Inrecentyears,manyresearchershaveconductedstudiesonLogisticsCostManagement.Forcostcontrolofironandsteelenterprises,the