CPC:,,CPC,,,,,:ColdRollingMillCPCElectricandHydraulicPressureServoControlSystemAnLijuanAbstract:Inordertosolvethequestionofdeparturinginthecoldrolingmillproduction,theprincipleofautoOrectifyingcontrolsystemandthehardwareandsoftwareofcoldrollingmillCPCelectricandhydraulicpressureservocontrolsystemwhichdesignedbyXianHeavyMachineryResearchInstituewereintroduced.Itsapplicationandperfecteffectincoldrollingmillprovethefeasibilityofthedesign.Itrunswellsinceithasbeeninstalledanditgreatlyimprovestheproductivity.Keywords:autoOrectifyingcenterpositioncontrol(CPC)electricandhydraulicpressureservo1,,,CPC(centerposi2tioncontrol)CPC,,,,()4,64,,,,CPC,,CPC,,4PLCCPC,,24CPC,PLCCPCPLCPLC,PID,,14CPCCPC,KYCM(),8520073711CPC1,,,,,,,,,,CPCatosDLKZOTE,,,,HFGY60,(CPC),3,,,,,,()PLC33.14S7300PLC,CPU3182DP,CPCCPUSM321,SM322,SM331,SM332,2PLC2PLC3.2CPCPLCSTEP7STEP7SIMATICS7300/400,S7300/400PLC,WindowsS7300/400PIDFB41CONT_CFB41PID,[1],,FB41COM_RST:BOOL,TURE,PID,PID,PIDSP_INT:REAL,PIDPV_IN:REAL,PIDMAN:REAL,,MAN_ONGAIN:REAL,TI:TIME,TD:TIME,LMN:TIMEREAL,PID3.3CPC34,2,1CPC,,2,PLC95CPC20073711,2CPC,,2,PLC,,PLC,PID,3,S1,f13,HFGY60PLC,PID,,4,W1,G143.4CPCPLC5FB41DB1,PI50.5,1msFB41DB3,PI0.8,1ms4CPC,,,,,,,,1.SIMATICS7300S7400PID,2001:20070406:20070520(25)11LiserreM,DellAquilaA,BlaabjergF.StabilityIm2provementsofanLCLOfilterBasedThreeOphaseAc2tiveRectifier[C],IEEEPESC,2002:1195-120112MarcoLiserre,AntonioDellAquila,FredeBlaabjerg.GeneticAlgorithmObasedDesignoftheActiveDamOpingforanLCLOfilterThreeOphaseActiveRectifier[J].IEEETransactionsonPowerElectronics,2004,19(1):76-8613PekioArgoDahono.AControlMethodforDCDCConverterThatHasanLCLOutputFilterBasedonNewVirtualCapacitorandResistorConcepts[C].35thAnnualIEEEPowerElectronicsSpecialistsConfOerence,2004:36-4214WuBin.HighOpowerConvertersandACDrvies[M].IEEEPress,Canada,200615TimothyCYWang,ZhihongYe,GautamSinhaetal.OutputFilterDesignforaGridOinterconnectedThreeOphaseInverter[C].PowerElectronicsSpecialistConference,IEEE34thAnnual.,2003,2(15-19):779-784:20060919:200706080620073711CPC