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1、编号：毕业设计(论文)外文翻译（原文）学院：机电工程学院专业：电气工程及其自动化学生姓名：梁君剑学号：指导教师单位：机电工程学院姓名：范兴明职称：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
