1、劣潷理歹大薯學位論文題目i選丕纏生搓璦圖纏捏這住笪嬰塞丞塞理英文ResearchandRealizationoftheLadderDiagram題目旦Qg塑也也魚gSQ垃叢魚Q墮￡SY逝盟研究生姓名潘勇姓名屋蕉羞職稱熬援學位蝗指導教師單位名稱扭電王捏堂瞳郵編壘墨QQzQ申請學位級別亟學科專業(yè)名稱扭越電王王程論文提交日期2Q鰻!lQ論文答辯日期學位授予單位武逯堡王太堂學位授予日期答辯委員會主席————評閱人2005年10月莖堅望三查堂堡主

2、堂堡堡壅AbstractAtpresent，Lowandmiddlelevernumericallycontrolled(NC)machinesmostlychooseeconomicalNCsystemaswellasmotordriventoolcartieretc，anditsinternallogiccontrolisrealizedbyProgrammableLogicController伊LC)Howtomaketheact

3、ionofeachpartofmachineeffectiveandreliabledependsonprocedure，SOthePLCprogrammingtoolhasbecomeindispensableinthenumericalcontrolsystemThePLCprogrammingtoolmainlycontainsthespecializededitorandthetoolsoftwarebasedonpersona

4、lcomputerNowbecauseofthequickregenerationspeedofPLC，theservicelifeofspecializededitorislimited，anditspriceismuchhigherSOthecurrentdevelopmenttrendisthatusingtheprogrammingsystemwhichbasedonthepersonalcomputerforprogramTh

5、emaintaskofmyresearchistodevelopanIDE(IntergeddevelopingEnvironment)fortheNCsystemofHustCorporationtoprovideuserswithallintuitionlstic，convenientandhighefficientprogrammingenvironmentbasedonpersonalcomputerAccordingtothe

6、methodsofthesoftwareengineeringandobjectorienteddesign，thesystemanalysisandrequirementanalysisonthisplatformaremade，andthedetailedfimctionrequirementsofthesoftwarearedrewAndthen，throughthemodularizationdesign，thesoftware

7、isdecomposedtofourmoduleswhichareitemmanagement，intelligentlycompilation，translationandeditionandsimulationandemulationSimultaneouslydatadirectionbetweenthemodulesofthisplatformisdesigned，whichdealswithgoodnewstransmissi

8、onanddrivebetweenthemAftermodularizing，thefunctionofeachmodulehasbeencarriedoutInordertobuildahiberarchyandacomponentstoreroommodelobjectbasedontheobject—orientationandwritePLCprogrambyplottinginthesystem，theeditorchoose

9、stheladderdiagramlanguageThroughtreestructure，theeditorlinkstheladderdiagramandPLCinstructiontealizethecompilerconversionbetweenthemThecompilerconversionusestherundleasunit，accordingtothedirectdeeppriorscanningalgorithm，