基于PLC的PID流量控制设计

:,(PLC),PID,,PIPID,PID,:PI;PID;;;:TP13:A,L2PID,,,,PID,,FXZN(PLC)PID3,,llllllllllIIIII}}}1,,,1:,,,,,1:PLCFXZN;ABB;IOin(lin2.54cm)PI;22:20120331::20120601.Tel:[phone]Email:mxm6843@163eom:PLCPID,A/DPLC,PLC,PID,D/A,,rin()_{3PID----,}}A/DII)11)}~1D/AILJ2A/DFXZN4AD,4,12,1%,15ms/PLCPLC,PID,PLCD/A,420mA,,D/AFXZN4DA,4,1%,2.1ms/,,(I):,T,,T:,,(D):,,,,PIDPLCPIDPID,,,MVKP[(EV___.T___._V1)VD1-EV=PV,rSV,;(ZPV1,aD.IDTDnf;+PV:f+PVnf:)+an.TDTs+aDTD.DnlMVMV|l|.3PID,,,PID,,PID33.1PID(P):(t),,,(1):EV;EVl1;SV;PV,;();PVnf,1();PV:2();MV;MV;D,;D,1;KP;T;T;;TD;aD3.2PLCPID(1)1,2Nanehang,Jiangxfoet.820121D10OD102DIO3DIO4DIOSD106D12OD121D122PIDPID,PID(DIO3)(DIO4)(DIO6)PID,:,,;,,,,,,,,,,ŽD72D26D62PLCM()VKZOODIOOI)1014r)102)]03r)104r)105I)106I120I)121FXZNPLC,PICPID(4),PID,,T)122I)1232520-~~jlesesL1.1111Œ..”„I10()D72K10D74H1111Kll05K33K10†ŽKOK30K10K10K()2D26D7KZD74KOlKKVVVVVVVVVV)L}lrPD))CC000000HUMMMMMM(FMlTT234PID;Kl,KP,,;Kl,Kl,;K,K,[556IhJ/,,lln7891()4PID,.PC.:,2001:90135...PI.::PlPID,1999:126152.1iuGP,Daley5.OptimaltuningnonlinearPIDeontrol-lersforunstableproeessesbasedongalnandphasemarginspeeifieations:afuzzyneuralaPproaeh.FuzzySetsandSystems,2002,128(1):95106..FXZNPLC.:,2007:88142..PID.:,1987:137155.[3,,:,,:JesJ”ILLes:,,:,,:ThePIDControlSystemofFlowMeasuringBasedonPLCMUXiaomin,WULiang,SUNYufei,ZHOUWeiiunXianibaoDeveloPmentComPQny,Xian710089,ChinaAbstract:Basedonthetimevaryingandnonlineareharaeteristiesofthefluid,anewaeeuraterealtimeeontrolsystem15ProPosed.Thiscontrolsystemwhichmentioned15eomPosedoftheflowingPartS,suehasthePLCPlattorm,PIDeontrolal-gorithm,touchsereen,electromagnetieflowmeters,temPeraturesensors,electrieeontrolvalveand50on.BasedonthedesignofPLCanalysis,thePIDalgorithmwhieh15simulatedandoPtimizedshowthatusesthedesignedPIDalgorithmhasastrongfollowingandmorePreeiseeontrolling.It15notonlysuitableforfloweontrol,ehangetheaetioninthesamedevieeusedfortemPerature,ievel,sPeed,altitudeandotheranalogeontrol.Keywords:PLC;PID;floweontrol;analogeontroi;timevariation