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1、編號：畢業(yè)設計(論文)外文翻譯（原文）學院：機電工程學院專業(yè)：電氣工程及其自動化學生姓名：梁君劍學號：指導教師單位：機電工程學院姓名：范興明職稱：副教授2012年5月20日20116thInternationalConferenceonIndustrialandInformationSystems,ICIIS2011,Aug.16-19,2011,SriLankaDesignandImplementationofaStatechartBasedReconfigurableElevatorControllerH.P.A.P.Jayawardana,S
2、tudentMember,IEEE,H.W.K.M.Amarasekara,StudentMember,IEEE,P.T.S.Peelikumbura,W.A.K.C.Jayathilaka,S.G.Abeyaratne,Member,IEEEandS.D.DewasurendraAbstract-ThispaperpresentsasimpleandclearmethodtodesignandimplementareconfigurableelevatorcontrollerusinganFPGA,whichcanbeimplementedfor
3、anelevatorwithany(N)numberoffloors,withspecifiedinputsandoutputs.Amodelbaseddesignapproachwasfollowed.Westartedfromastatechartmodeldevelopedforaprototypeelevatorwiththreefloors.Extensionofthemodelforavariablenumberoffloorswasconsidered.Controllerfortheprototypesystemwasimpleme
4、ntedinladderlogiconaPLCandthelimitationsofthatapproachwithregardtore-configurabilitywereidentified:viz.,intheextensionofelevatorcontrollerfor‘N’nooffloors.NextVHDLcodewasdevelopedforareconfigurableelevatorcontrollerwhere,bychangingavariablecorrespondingtotherequirednumberofflo
5、ors,thesuitablecodecanbegenerated.ThecontrollerthusgeneratedcanbeimplementedinanFPGA.ThemethodwassuccessfullytestedonaXilinxSpartan3ANFPGA.IndexTerms-Elevator,FPGA,PLC,Reconfigurable,StateChart,VHDLI.INTRODUCTIONIncontrolandautomationindustry,ProgrammableLogicControllers(PLCs)
6、arecommonlyusedtoimplementcontrolsforcomplexreactivesystems,primarilybecauseoftheireasyprogrammingenvironmentsbasedonIEC-61131-3.However,theyaremeantforsequentialeventprocessingandnotforhardreal-timereactiveenvironmentswhichrequireparallelprocessingcapabilities.Incontrast,Fiel
7、dProgrammableGateArrays(FPGAs),whichareinherentlyparallel,canbeusedtodevelopcontrolsformorecomplexsystemswithlargenumberofinputsandoutputs.Inadditiontoreconfigurability,itconsumeslesspoweranditcanprovidecomparativelylowresponsetimesandflexibilityinexpansionofdesigns.Thispaperp
8、resentstheworkcarriedouttodesignandimplementareconfigurableel
