港口码头建设中英文对照外文翻译文献文档格式.docx
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港口码头建设中英文对照外文翻译文献文档格式.docx
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Abstract
Theglobaleconomicdevelopment,thecontainerquicklyraisedupintoexports.Rapidgrowthoftheimportandexportcargothroughputbringstothecontainerterminallargerbenefitsatthesametimeincreasetheburdenoftheport,havehigherrequirementsontheterminaloperationefficiency.Howistheexistingequipmentofcontainerterminals,reasonableresourceallocationandscheduling,iscommonproblemfacingthecontainerterminal.Therefore,howtoimprovetheterminalfacilitiessuchasthemaximumutilizationofresources,tomeettheincreasingportdemand,improvetheircompetitiveadvantage,andhasmorepracticalmeaningtoimprovetheworkingefficiencyofthecontainerterminal.Themaincontentofthisstudyisberth,gantrycranesandsetcardco-allocationresearch,hasplanstoallshiptotheportassignmentsduringmathematicalmodelisestablishedwiththetargetofminimumcost,accordingtothecharacteristicsofthescalemodelbygeneticalgorithm,finallyvalidatestheeffectivenessofthemodel.
Keywords:
Systemengineering;
Watertransportation;
Gantrycranesallocation;
Dynamicscheduling;
1Introduction
Containerterminallogisticsisanorganic
system,madeofinteractive
and
dynamiccomponents,
such
ascontainers,
ships,berths,
yards,tracks,
quay
cranesandyardcranestrucks,
labors
communications,in
a
limited
terminal
space.It
is
acomplex
discrete
event
dynamic
system
relatedto
kinds
of
complicated
problems
inlogistics
transport
field.
Berthscheduling(berthallocation)referstothevesselarrivalbeforeorafteraccordingtoeachberthfreeconditionandphysicalconditionoftheconstraintforshipberthingberthandberthingorder.Toportberthschedulingoptimizationresearchhasmadeimportantprogress,butresearchisonlylimitedtothesingleschedulingberthandshorebridge.Ofberthschedulingprobleminrecentyearshasbeenbasedonsimpleberthschedulingconsideringmorefactors,butonlyforgantrycranesoperatingsequencewhenperformingaspecificloadingandunloadingofmicroscopicoptimization.Containershipsintheportoftimedependonhowwelltheberthschedulingononehand,ontheotherhanddependsonthecompletionoftasksofgantrycranesloadingandunloadingtime.GantrycranesloadingandunloadingtimetasksassignedbytheShoreBridgeandgantrycranesschedulingtwolinkform.Gantrycranesallocationisreasonablyallocatedtotheshiptoshorebridge.Schedulingisabridgeacrosstherivershorebridgebetweenloadingandunloadingtaskscheduling.Forcontainerterminalhowtooutofberthallocation,andcollaborativeschedulingshorebridgesetcardeffectiveallocationandthearrangementofthecontaineryard,etcarethemainfactorsinfluencingtheefficiencyofportoperations.
2Literaturereview
Berth,gantrycranesandsetcardconfigurationandoperationqualitydirectlydeterminestheoperationalefficiencyofcontainerports.Containerportwhethercanmeetcustomerdemanddependsonwhethertheschedulingofabetter,affectingthecompetitivenessoftheport.Sohowtocoordinatethethreeconfigurationsandschedulingcausedthewideattentionofscholarsbothathomeandabroad.Mostexpertsandscholarsindifferentcircumstancesporthardwarefacilitiesaccordingtothedifferentmethodsofberth,gantrycranes,setcardandetcwerestudied.Inrecentyears,theberth,shoreandsetschedulingandallocationproblemofstudytobecomeahottopic,scholarsinawiderangeoffurtherresearch.
2.1Researchonberthallocationproblem
Edmondwillberthallocationproblemasqueuingtheoryforthefirsttime,andestablishthemathematicalmodelresearchberthallocationproblem.LaiandShihtoadoptrulesfirstcomefirstserviceberthallocationproblem,anddesignthecorrespondingheuristicalgorithmfortheoptimizationofthemathematicalmodeloftheberthallocation,andtoobtaintheberthallocationtowaitforthemooringtime,andtheaverageberthutilizationindicatorsforevaluation.Provethefeasibilityofobtainedberthallocationscheme.Kiinmixedintegerprogrammingmodelisestablishedtostudytheforlargecontainershipberthallocationproblemtodeterminetheshipdockedlocationandtime,thedesignofsimulatedannealingalgorithmtosolvethemodel.Sincethen,manyscholarsstudyofberthallocationproblemschemecomparedwithKim.Imairespectivelystudiedanddynamictostatictotheporttoportberthallocationproblem,atthesametimetheberthallocationintheprocessofcontainershipisintroducedintotheberthtimepriority,berthallocationwasstudiedfortheshiptoport.Later,MrImaiandSuntoadoptcontinuousgeographicalspacetostudythemethodofcontinuousberthallocation,establishedthemathematicalmodeloftheminimumvesselwaitingtimeandoperationtimeandcoefficientusingLaGrangerelaxationalgorithmtosolve.Hansen,consideringthescheduleandshipdockedpreferencelocationproblems,suchassettingtheberthschedulingoptimizationgoalforwaitingtimewhileminimizingoftheship.Atthesametimedescribeswhatpreferencepositionoftheshipis.Leealsoadopttherulesoffirstcomefirstservicetoresearchintotheportshipberthallocationproblem,designthecorrespondingheuristicalgorithmtosolvetheberthallocationmodel.Afterthis,Leeandshipattheportofallresearchcycletooverallintheshortesttimecontinuousberthallocationproblemforthetargetresearch,throughrandomgreedyadaptivesearchalgorithmtosolvethemodel.
2.2ResearchonShoreBridgefactorsproblem
Diazolein1989forthefirsttimeputforwardtheconceptofgantrycranesschedulingbytheauthorandamixedintegerprogrammingmodelwasestablishedtosolvethemodeltodeterminethedistributionofeachshiptotheshorebridge.ParkandKimfirststudiedthestatictotheportofberthandgantrycranesschedulingproblem.Limunderinterferenceconstraintmadethegantrycranesschedulingdecisionsmadebyabranchandboundmethodwillbeaperiodoftimethelatestshiptominimizethedeparturetimeofthisalgorithmabilityislimitedbutsimulatedannealingmethodfeasiblesolutioncanbeobtainedforthesamequestionthenalsohasusedthegeneticalgorithmandgreedyalgorithm.Musselandhadtouseamorerealisticshorebridgeresourcesusefunctiontoreplacethemethodoflinearhypothesisthispaperproposesanewmodeltoimproveinsufficientcorrectedsimulationinthestudyoflandbridgeinfrontoftheinterferenceconstrainterrorandputforwardaimprovedmodelthanotheralgorithmsaregoodbeforefastbranchandboundmethodbasedonone-wayoperations.Bierwirthtobefore2010toberthallocationproblem,taskallocationproblemshorebridge,gantrycranesschedulingproblemofresearchliteraturemadeadetailedstatisticsandinvestigationandstudyanalysis.Shipmovementwerestudiedusinggeneticalgorithmreachesthecaseoffixedalongsideberthsandgantrycranesschedulingproblem,homeworkandassumesthateachshipshorebridgenumberisfixed,theoptimizationgoaltominimizeshippingtimeinHongKong.Atpresentscholarstocontainerterminalberthallocation,gantrycranesschedulingandallocation,setoperationssuchaspathplanningaredetailedstudies.Theymainlyfromtheperspectiveoftimeandeconomiccostandsoon,studiestheoptimizationofcontainerterminalhandlingoperationlinkresearch,makestheanticipatedgoalofoptimal.Butcanbeseenfromthecollectedliteratureathomeandabroad,theresearchofthecontainerterminalalthoughin-depthandmeticulous,buttherearestillinsufficient.Atpresentstudymainlyjusttocontainerterminaloperationofasinglelinkajobschedulingoptimization,orarethetwoassignmentslinkjointschedulingoptimizationresearch.However,containerterminalberthallocation,shorebridgedistributionandcollectioncardisacompleteoperatingsystem.Ifissimplytheoptimizationstudyofajoblink,canonlyreachacertainoptimaloperationlink,itisdifficulttoachievewithotherassignmentslinkaffinity.Inthewholecontaineroperatingsystemdoesnotmaketheoveralloptimal.
3Containerterminaloperationanalyses
(1)Channel
Channelisreferstothecontainershipintheinandoutofthecontainerterminalareacansatisfycontainershipsandotherwatertraffictools(tug,etc.)therequirementsofthesafenavigationchannel.
(2)Anchorage
Anchorageisusedforcontainershipswaitingforberthingofshipsdockedorforavarietyofwaterhomeworkneedwater.Mainfloorincludingloadingandunloadingofanchorage,anchorage,shelter,waterdiversionfault,faultandquarantineandsoon,thisarticleproposedtracingreferstoanchoritwrong,istowaitforcontainervesselsintoanchoredintothedockbeforeberthwaters.
(3)Berth
Berthistopointtoinsidethecontainerterminalforcontainervessels,loadingandunloadingtothedockingareabythesea,forthecontainershipsafetyandtomeettheneedofloadingandunloadingoperationwatersandspace.Haveacertainlengthofcallwithberthingwatersadjacentquaywallline,referredtoastheshoreline.Berthcoastlinelengthmeettherequirementofcontainershiploadingandunloadingandberthingsafetydistance,depthofberthsatisfiestherequirementofcontainership'
sdraft.Containerportberthsaremainlydividedintotwoforms.Berthdiscreteandcontinuousberths.Discreteberth:
containerterminalofthecoastlineofthecorrespondingberthwatersisdividedintoanumberofdifferentlengthsofpart,atthesametimetherecanbeonlyoneshipinagaragetoacceptse
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