模糊PID控制器设计及MATLAB仿真-李健

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PID,PID,MATLABSIMULINK。1PID1.1PIDeec,eecPID。PID,PID,1。1PIDPIDPID3Kp、KiKdeec,eec,3,eec,、。1.2PID,PID:U(t)=Kpe(t)+Ki乙e(t)dt+Kdde(t)dt(1):e(t)、U(t)PID,e、、。Kp,,Kp,,,,。Ki,Ki,,。Kd,Kd,,,。Kp、Ki、Kd,,Kp、Ki、Kd:1),,,KpKd。,,Ki,Ki=0;2),,Kp。Kd,,Ki;3),,Kp、Ki,,,Kd,:,Kd;,Kd,Kd。1.3PID3。PIDPIDeec,,。:Kp=K'p+(e,ec)pKi=K'i+(e,ec)iKd=K'd+(e,ec)d:K'p、K'i、K'dPID,PID。(e,ec)p、(e,ec)i、(e,ec)d(△Kp、△Ki、△Kd)3,PID。(1)EEC△Kp、△Ki、△Kd邀NB,NM,NS,ZO,PS,PM,PB妖,,,PIDMATLAB*(,266071)DesignofFuzzyPIDControlleranditsSimulationBasedonMATLABPID,PID,PID,MATLABSUMLINK,,PID。:PID,,MATLAB,SIMULINK,AbstractAfuzzyinferencemethodisusedtoadjusttheparametersofPIDcontrolwhenfuzzycontrollerandPIDcontrollerarecombinedtogethertoconstructafuzzyPIDcontroller,andsystemsimulationisconductedbyusingtheSIMULINKtoolboxofMATLAB.TheresultsofsimulationindicatethatthefuzzyPIDcontrollergivesagoodcontrolperformance.Keywords:PIDcontroller,fuzzycontroll,MATLAB,SIMULINK,systemsimulation*(20100471493)PIDMATLAB56《》2011245,,,,。[-3,3],邀-3,-2,-1,O,1,2,3妖。,E,EC(gaussmf),△Kp、△Ki、△Kd(trimf),23:2eec3△Kp、△Ki、△Kd(2)Kp、KiKd,eec,Kp、KiKd,:1.If(eisNB)and(ecisNB)then(KpisPB)(KiisNB)(KdisPS)(1)2.If(eisNB)and(ecisNM)then(KpisPB)(KiisNB)(KdisNS)(1)3.If(eisNB)and(ecisNS)then(KpisPB)(KiisNB)(KdisPS)(1)...49.If(eisPB)and(ecisPB)then(KpisNB)(KiisPB)(KdisPB)(1)MATLABFuzzy,FIS,Mamdani,e、ec、△Kp、△Ki、△Kd,4:4e、ec、Kp、KiKd(and)min,(or)max,(im-plication)min,(aggregation)max,(defuzzification)centroid,FIS,f.fis。MATLABMfpid.m,:matrix=readifs('f.fis')simulink,。(Surface),△Kp、△Ki△Kd5。5△Kp、△Ki△Kd2PID2.1MATLABSimulink1,Fuzzylogiccontroller,Ke、Kec、K1、K2、K3,,6;Ke、Kec,K1、K2K3。PID7;K'p、K'i、K'd。PID,Fuzzy-PID8。67PID8PID2.2102S2+3S+1,Ke=0.9,Kec=0.1,K1=3,K2=1.2,K3=0.01,PIDK'p=4,K'i=3,K'd=1.5,T=0.01s。9PIDPID。9PIDPID,Fuzzy-PIDPID,,,。3PIDPID,FuzzyPID。PID,(95)57《》2011245(57)。,PIDPID。MATLAB,SIMULINKPID。,PIDFuzzy-PID,、,,,PID,Fuzzy,。[1].PID[M].:,2002[2].、[M].:,1998[3].MATLAB[M].:,2001[4],.[M].:,1998[:2011.3.9],,。,,,,[3]。,PID。,PID。[4],。PID2。,,PIDPIDPWM,。22,,,,。,。,,,,;。,,,。,、、、,500m,3km,54V,42V。3,。340km/h、30km/h、20km/h,,、1。,,,。13,,,。,,。、、,。。[1].[D].:,2000[2]JingWeiXu.FuzzyPIDControlthroughOptimization:ANewMethodforPIDControl[D].Wisconsin.MarquetteUniversity.2008[3]ZhangChuanwei,BaiZhifeng,GaoBinggang,etal.StudyonRegeBrakingofElectricVehicle[C].IEEE,The4thInternationa-ElectricsandMotionControlConference,2007,Vol.2:836-839[4].PIDMATLAB[M].2.:,2007:125-127[:2011.2.15]!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!95

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