关于plc的水厂自动控制系统设计与实现

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1、上海交通大学工程硕士学位论文DESIGNANDREALIZATIONOFAUTOMATICCONTROLSYSTEMINWATERWORKSONPLCABSTRACTProgrammableLogicController(PLC)isthemostwidelyusedelectronicdevicesinthefieldofautomaticcontrol.Itisakindofmicroprocessordigitalelectronicdevices.PLCcontrolcommandscanbeloadedatanytimewithinthememorystora

2、geandexecution,andvarioustypesofmachineryorproductionprocessescanbecontrolledthroughanalogordigitalinput/output.PLChastheversatility,easeofuse,wideadaptation,highreliability,anti-interferenceabilityandsimpleprogramming.Programmablelogiccontrollerandrelatedperipheralsaregoodforindustrialc

3、ontrolsystemstogetherintoawhole,andexpandingtheprincipleoffunctionaldesign.ThisstudyisbasedfromthePLCprinciples.Automaticcontrolprocessesaredesignedforproceduresofthewaterplant.Waterplantautomaticcontrolsystemframeworkisbuilt,combiningtheactualproductionofthedesign.CombinationofPLCandcom

4、puternetworksisusedinthispapertomakewaterplantdistributedcontrolled,centralizedmanaged.Alltheequipmentcontrolledandmonitoredinremotemodecanmakereal-timecommunicationbythecommunicationnetwork.Bytheuseofreal-timenetworkcommunications,PLCandWonderwearIntouchcommunicationstechnology,waterpla

5、ntmonitoringsystemhasbeendevelopedtomonitorPLCcontrolledequipmentremotely.Afterthesystemisresearchedanddeveloped,ithassignalacquisition,real-timealarmandhistoricalcurveandotherfunctions.Thesystemcanmonitortheliveproductionprocessandcommunicatereal-timewiththePLCandWonderwearIntouchsoftwa

6、refordataexchange.ThisproductionsystemII上海交通大学工程硕士学位论文hasbeentestedandultimatelyusedinactualproduction.Thesystemhasperfectfunctionalandreliableoperation,soithasachievedthedesignrequirementsoftheprojectandacquiredbettereffects.KEYWORDS:automaticcontrol,ProgrammableLogicController,Wonderwa

7、reIntouchsoftware,Proportional-Integral-DerivativeControllerIII上海交通大学工程硕士学位论文目录基于PLC的水厂自动控制系统设计与实现.......................................................................I摘要....................................................................................................