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1、上海交通大学硕士学位论文现场总线控制系统及其在喷涂设备中的应用姓名：范园园申请学位级别：硕士专业：电子信息与电气工程指导教师：韩兵20070101上海交通大学硕士论文FieldBusControlSystemandItsApplicationinSprayingEquipmentABSTRACTRecently,weconcernmoreandmoreinourlifelevel.Asweallknow,lotsoftoxicantcontainedinoilpaintwhichshallpolluteoncetheyareabused.Besidest
2、hat,manufacturershavepaidmoreattentiontotheappearancedesignandsprayingtoincreasetheproductsusetiming,decreasethefadetiming,preventthestaticelectricsoastoattractconsumers.Soweeasilymaketheconclusionthatthetechnologyaboutsprayingequipmenthasgreatlyinfluencedourlife.Onthebasisofdeep
3、lydiscussionofthedesignprincipleinfieldcontrolsystem,thispaperabsorbtheadvancedopendesignmindinsupervisionandcontrolsystem,combinethepracticalprojectaswellassendanewtechnologyorproduct,whichnamedPCC,intotheindustrialsprayingcontrolfieldwhichisabreakoutnomatterinfieldcontroltechno
4、logyorthestructureofthecontrolmind.Thenewdesignedsystemhasitscontrolsystemlevelclearaswellasmoreexcellentreal-timequalityandreliability.TheopeningbussystemofthePCCproductwhichmakethecommunicationbetweendifferentsystemmoreconvenientprovidethehardwaremoduleandCANportthroughwhichthe
5、physicalconnectionturnedintomoreeasy.Thecontrolmodeoftraditionalpneumaticvalveshassomeshortcomings,includinghighcost,lowsafetyandmanyfailurepoints,etc.Applicationofthevalveislandcontrolmodewiththefieldbusinterfacecanimprovetheabove-mentionedshortcomings.Atfirst,thispapernotonlyma
6、kesclearlyanalysisaboutautomaticsprayingsystemespeciallyII上海交通大学硕士论文dimsatflowcontrolandcolorchangecontrolbutalsoconnectthetraitsaboutthesignalchangebetweenelectrical,pneumaticandfluidfieldwithinCANfieldbustechnology,PCCtechnologyandproducttoactualizethefinalcontrolequipment.Then
7、,thepaperdesignsthefieldcontrolunitsaboutthehardwareaswellasthesoftwarebasedonPCC,includingelectricalschematics,communicationdesign,controlsystemprogramming.Atlast,theimportantinstrumentslikevalveterminalandvortexflowmeterhavebeendesignedandanalyzedindetail.Keywords:sprayingequip
8、ment,PCC,fieldbus,valveterminal,vortexfl
