基于petri网的堆垛机流程建模分析

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6、==目目=l===!EE!EE=自==目自lj目E==目目自Ejl自TheResearchOnStackerProcessModelBaseOnPetriNetAbstractSinceChina’SaccessiontotheWTO，theeconomicdevelopswithhighspeed，andscienceandtechnologyalsodeveloprapi

7、dly．Butformodementerprisesparticipantsineconomicconstruction，thechallengetheyfacesisbecominggreaterandgreater．Modemlogisticsasanimportantfactortoenhancethecompetitivenessoftheirproductshasbeenpaidmoreattention．Moreover,themostimportantfactoraffectthem

8、odemlogisticsefficiencyishighlyautomatedstackerinautomaticwarehousingsystemThep岫ermainlystudiesthewarehousingentryprocessinwarehousingsystemofstacker,basedonpracticalinvestigationofwarehousingsystemforlogisticsenterpriseandtheoryknowledge．Firstly,this

9、articledescribethePetrinetandknowledgerelateddiscreteeventindetailregardingthecharacteristicofstacker,demonstratesthattheobiectsstudiedinthetextisthetypicaldiscreteeventsystemwhichCanbemadeanalyticalstudybasedontheknowledgerelatedtoPetrinetandalsocano

10、ffersbasictheoryforroodcling．Secondly,thispapercomparetheexistingnewtechnologywiththeoldwarehouseaddressrecognitionandpositioningtechnology,suggesttoreplacetraditionalphotoelectricsensorpositioningandShareaddressingmodeswithpositioningbyintegratinglas

11、erdistancesensorandrotaryencoder，thenillustrateschangesofimprovedautomaticwarehousingsystem，itprovidesthefoundationfornextestablishhardwaremodeling．Finallyinthispaper,itbuildmodelforthewarehousingentryprocessinwarehousingsystemofstackerwithabovementio

12、nedhardwarefoundationandtheoreticalbasis，simulatingthemodelbyuse'oftheExSpectsimulationsoftware，makingfurtheranalysisofthesimulationresult，demonstratethefeasibilityofthemodeultimately,furthermore，themodelestablishedwillhavepracticalsignificancefortrue

13、system．．II．哈尔滨理工大学工学硕士学位论文KeywordsAutomatedStorageandRetrievalSystem，Petrinet，Modeling，Simulation．ⅡI．哈尔滨理工大学工学硕士学位论文目录摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯IAbstract⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．II第1章绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．11．1课