資源描述：
《基于petri網的堆垛機流程建模分析》由會員上傳分享，免費在線閱讀，更多相關內容在教育資源-天天文庫。
1、哈爾濱理工大學工學碩士學位論文====E目目====目=目日====E=目穹E!!=目
2、
3、l=
4、==!穹gE
5、=El_目j
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．哈爾濱理工大學工學碩士學位論文KeywordsAutomatedStorageandRetrievalSystem，Petrinet，Modeling，Simulation．ⅡI．哈爾濱理工大學工學碩士學位論文目錄摘要???????????????????????????????IAbstract???????????????????????????????????????．．II第1章緒論????????????????????????????．．11．1課
