基于Matlab-Simulink的锅炉汽包水位控制建模仿真

11220126()JOURNALOFHUAIYINTEACHERSCOLLEGE(NaturalScience)Vol11No2Jun.2012基于Matlab/Simulink的锅炉汽包水位控制建模仿真金璐1,陈勇2(1.,210042;2.,223300):设计了一种新型的锅炉汽包水位模糊PID控制器,分析了锅炉汽包水位控制系统的数学模型和模糊PID控制器的结构工作原理和作用,并运用Matlab/Simulink对模糊PID控制器和常规控制器分别在锅炉汽包水位控制中进行仿真.结果表明,模糊PID控制器设计合理,控制效果良好,具有更好的控制特性.:Matlab;模糊PID;汽包水位:TP272:A:1671-6876(2012)02-0150-04:2012-04-26:(1990-),,,.0[1],.,,,,,.,,,,,[2].,,Matlab/Simulink,.1[3],,,,,,.,.G1HW,,,,,G1:G1=H(S)W(S)=k1S(T1S+1)(1),S,T1,k1.G2HD,,,,,DW,,,.(,,,),G2:G2=H(S)W(S)=-kfS+k2T2S+1(2),S,T2,k2,kf.2PIDPIDPIDeec[4],,,eec,KpKiKd,eec.PIDeec,PID,PID.21PID1PIDPIDPID[5],1.1H0,H..:eec.U.22PIDPIDe(H0H)(),E,Ec,PIDKP,KiKd.PB,PM,PS,ZO,NS,NM,NBE,e{-3,-2,-1,0,1,2,3},E.PB,PM,PS,ZO,NS,NM,NBEc,ec{-03,-02,-01,0,01,02,03},.PID,KP,;Ki;Kd.PID,13.1KPNBNMNSZOPSPMPBNBPBPBPMPMPSZOZONMPBPBPMPSPSZONSNSPMPMPMPSZONSNSZOPMPMPSZONSNMNMPSPSPSZONSNSNMNMPMPSZONSNMNMNMNBPBZOZONMNMNMNBNB2KiNBNMNSZOPSPMPBNBNBNBNMNMNSZOZONMNBNBNMNSNSZOZONSNBNMNSNSZOPSPSZONMNMNSZOPSPMPMPSNMNSZOPSPSPMPBPMZOZOPSPSPMPBPBPBZOZOPSPMPMPBPB3KdNBNMNSZOPSPMPBNBPSNSNBNBNBNMPSNMPSNSNBNMNMNSZONSZONSNMNMNSNSZOZOZONSNSNSNSNSZOPSZOZOZOZOZOZOZOPMPBNSPSPSPSPSPBPBPBPMPMPMPSPSPB1512:Matlab/Simulink[4],.PID,PIDKP,KiKdKP,Ki,Kd.,PIDUi,UiUi-1,Ui.3Matlab/SimulinkPID,3,PID,2,PID,,.2PID3PID4PID,.PID,eec,,,,,PID,.:[1].DSP[D].,2009.[2].MATLAB[D].,2008.[3],.MATLAB[J].,2006,29(1):4-5.[4],,.PIDVAV[J].,2010,30(8):920-924.[5],,.[J].,2006,27(11):51-56.[6],,.PID[J].,2008,39(10):109-118.[7],,.RBFPID[J].,2007,27(11):48-50.[8],.PID[J].,2001,27(4):567-584.[9],,.PID[J].,2010,28(2):308-312.[10],,,.PID[J].,2011,27(6):157-161.152()11ModelingandSimulationforBoilerDrumLevelControlBasedonMatlab/SimulinkJINLu1,CHENYong2(1.SchoolofElectricalandAutomationEngineering,NanjingNormalUniversity,NanjingJiangsu214006,China)(2.SchoolofPhysicalandElectronicElectricalEngineering,HuaiYinNormalUniversity,HuananJiangsu223300,China)Abstract:AnewtypeofboilerdrumwaterlevelfuzzyPIDcontrollerisdesignedinthispaper,whichanalysedthemathematicalmodeloftheboilerdrumwaterlevelcontrolsystem,theconstructureofthefuzzyPIDcontrollerandworkingprincipleandeffect.ThewaterlevelcontrollingoffuzzyPIDcontrollerandthecommoncontrollerissimulatedrespectivelybyapplyingMatlab/simulink.TheresultshowsthatthefuzzyPIDcontrollerdesignisreason-ableandcontrollable.Keywords:matlab;fuzzy-PID;drumlevel[:](上接第149页)ExperimentalStudyofHotImageEffectthroughTiltedNonlinearMediumSlabWANGYou-wen,YOUKa-iming,CHENLie-zun,LUSh-izhuan,DAIZh-iping(DepartmentofPhysicsandElectronicInformationScience,HengyangNormalUniversity,HengyangHunan421008,China)Abstract:Inhigh-powerlasersystem,hotimagecanbeintenseenoughtodamageexpensiveopticalcomponents,andhinderthesafeoperationofthelasersystem.Previousstudyofhotimageeffecthasbeenconcentratedonthecaseofthelightbeamnormallyincidentonthenonlinearmediumslab.However,thenonlinearmediumslabintherealisticdiskamplifieristiltedwithrespecttothepropagationaxis.Anexperimentalstudyofhotimageeffectinanintenselaserbeamthroughatiltednonlinearmediumslabispresented.Itisshownthat,relativetothecaseoflaserbeamnormallyincidentonthenonlinearmediumslab,thelocationofthehotimagewillshifttransversely,andtheshiftincrementwillincreasewiththeincidentangleincreasing,whiletheintensityofthehotimageischangedverylittle.Theseresultsaresignificantforappropriatelylayingouttheopticalcomponentstoavoiddamagerisksofhotimageinhighpowerlasersystem.Keywords:nonlinearoptics;high-powerlasers;hotimage;smal-lscalesel-ffocusing[:]1532:Matlab/Simulink