:2011-06-21:(1984-),,,,2008,:、;(1982-),,,,:、PLC。PID,、,。、,,PID,PID。,PID,、,,,。,,。,,、。1PIDPIDPID,PID,,P、I、D,PID。,PIDPID。1.1PID1.1.1PID,MATLABPID,1、2。1PID3,。1.1.2[8]PIDZiegler-NicholsCohen-Coon。MATLABPID,(,545006)[]:PID、,———PID。MATLAB。,PID,,,,。:PID;;;PID:TP273+.2:A:1671-1084(2011)05-0044-05JOURNALOFLIUZHOUVOCATIONAL&TECHNICALCOLLEGE115201110Vol.11No.5Oct.201144--2PIDZiegler-Nichols,,Cohen-Coon。,MATLABconhenpid()Cohen-CoonPID。:[Gc,Kp,Ki,Kd]=cohenpid(key,vars),key:key=1,2,3P、PI、PID。,,k、T、L,。1.2PIDPID,PID,PID4。PID,PID,1,PID5。,56。,。2MATLAB3PID1PID4PID,:MATLABPID1154545--5PID6PID,。:G(s)=2(5s+1)(2s+1)(0.5s+1):den1+2s2+3s+51,T=0.1s,,t=40s0.6。PID,D(s)Gm(s)=10.25s2+2s+1:2.1PID,C-C。:num=2;den=conv([51],conv([21],[0.51]));G=tf(num,den);[k,L,T]=getfod(G);%getfod[Gc,Kp0,Ki0,Kd0]=cohenpid(3,[k,L,T,10])%PIDden1=[235];%,,78。7PID(,)8PID(,)4620111046--,PID,,。,PID,,。2.2PIDPID,。:Kp(0)=8.1179,Ki(0)=2.5341,Kd(0)=3.9169。:D=1;Gm=[0.2521];%,,910。,,PID,,,。PID。2.3PIDPID,,11。ste(),、:[sigma,tp,ts]=ste(yout,tout)10PID(,)9PID(,)11(,PID,PID),:MATLABPID1154747--1。,PID、、,,,,,;,PID,,PID,P、I、D,,PID,。,,。,PID,,,,。3PID。,PID,。PID,,,。,:,,,,,,,。:[1].[M].:,1998.[2].[M].:,1994.[3],.“PIDλ”[J].2000(2):17-20.[4]AodrievskyB,FradkovA.ImplicitmodelreferenceadaptivecontrollerbasedonfeedbackKalman-Yakubovichlemma[C]//TheProceedingsoftheIEEEConferenceonControlApplications.ScotlandUK:(),1994:1171—1174.[5],,.PID[M].:,2000.[6].[M].:,1997.[7],.[M].:,2003.[8].MATLAB7[M].:,2005.1 !#$%%$StudiesatAdaptivePIDAlgorithmbasedonMATLABLIYang,LANWei-ming(LiuzhouVocational&TechnicalCollege,LiuzhouGuangxi545006,China)Abstract:ThispaperistocombineadaptivecontrolalgorithmwithtypicalPIDcontrolalgorithmsandpresentanadaptivePIDcontrolalgorithm.WiththehelpofMATLABsoftware,differentcontrolstrategy(typicalPIDcontrolandadaptivePIDcontrol)areresearched.FromthecomparisonbetweentypicalPIDcontrolandadaptivePIDcontrolcharacteristic,theresultisgotthatitmanifeststhewidespreadapplicationvalueofadaptivePIDcontrol.Keywords:PIDcontrol;adaptivecontrol;self-turning;adaptivePIDcontrol4820111048--