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ID:33686916
大小:8.96 MB
页数:72页
时间:2019-02-28
《基于港口节点的进口铁矿石物流一体化-研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、j!室奎望丕堂堡圭堂垡笙壅———————』生坚翌』业万方数据√蝠STRACTNationalcmdesteeloutputhasbeenrankingglobalNo.1for18years·Ononeside,steelindus时helpspromoteourprocessofindustrialmodernization·Ontheotherslde,ittumsChinainto“GlobalLodestone”.Ironoreisthemainrawmaterialforsteelindus帆However,domesti
2、csupplyisfarbehindtotaldemand,whichcausesmglldependenceonforeignironOre.Affectedbysteelenterprises’independentimport删epattems,importironOrelogisticscostskeepfairlyhighandresultinvastotresourCeswaSte.Allinall,basesonlogisticsintegrationtheory,thethesisselectssomeportast
3、hebre出hroughpointandbuildslogisticsintegrationmodelundercapacityconstraints狃dlowestlogisticscostsobjectivesinordertodisposeresourcesrationally,姗p∞VejndllstⅣclusters’collaborativeabilityandrealizecostdecreasingandbenefit1ncreaslng·Thethesisspecificallyincludesfollowinga
4、spects·(11Describeimportironoretradepatternsandgeneralprocess·Thenba8edonglobalresourceslayoutandsupply-demandrelationship,analyzeChina’simport1ronore10西sficspresentsituationinordertosummarizekeyproblemsofthesyst锄。(2)E玎神asizetheimportanceofportnodetologisticsnetworkand
5、put士。刑ardthelo西sticsintegrationmodel.TheCOreofthemodelistorealize“centralizedpro伽锄ent,unifiedinVento以justintimedelivery'’modeviaportlogisticscenter.Owingtotheprocl】r锄entdiscretizationandresourcesconstraints,thethesisseparatesresearchperiodintoseVeralpartsanddisposesres
6、ourcesrationallybyeachlogisticsoperatlonlilll(aIldtimepart,atthesametime,analyzesdynamicchangesinthesystem·(31Investigatethemodelfurtherbyoptimizationalgorithmandheuristicalgon恤mrespectivelyandestablishcomputerlanguagesviaLingoandC撑sofhvare·Optimlzatlonalgorithmisforex
7、actsolutioninsmallscaleproblemsandgeneticalgonmm1s士orappropriateoptimalsolutioninlargescaleproblems·(4)SetimportironorelogisticsoftheYingkOUPortasexampleandconcluderesourcesoptimalconfigurationsolutionunderdifferenttimeperiodandd1断entlogisticsoperationlinks.Basedonthec
8、onfigurationsolution,thethesisputstonⅣard鼬eroptimizationsuggestionsuchashandlingmachineryimprovement,pendul啪transport
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