基于MATLAB-Simu1ink下加热炉传递函数的PID仿真试验

基于MATLAB/Simu1ink下加热炉传递函数的PID仿真试验,,(烟台大学机电汽车工程学院,山东烟台264005):提出基于MATLAB/Simu1ink环境下加热炉传递函数的PID参数整定法,在仿真环境下直接拼凑PID参数,具有直观可视方便等优点该方法计算量小,实现简单易于操作,很容易为工程人员掌握仿真结果表明:该方法具有良好的有效性和稳定性,对在工厂中如何尽快的整定PID参数具有一定的借鉴意义,具有较高的实用价值,能有效地提高生产效率:PID控制;仿真;整定;MATLAB/Simu1ink:TB4:A:1004-7948(2010)07-0020-03,PIDPIDPID,,,,,,,PID1PID11PIDPID,PID[1]:u(t)=Kp[e(t)+1Tit0e(t)dt+Tdde(t)dt](1)[2]:G(s)=U(s)E(s)=Kp(1+1Tis+Tds)(2):u(t);e(t);Kp;Ti;Td(1),(1),(1),,,(1)PID:u(k)=Kp{e(k)+TTi!kj=0e(j)+TdT∀[e(k)-e(k-1)]}(3):T;k(3)(1)(3),,,,,(3):u(k)=u(k)-u(k-1)=Kp[e(k)+e(k-1)]+Kie(k)+Kd[e(k)-2e(k-1)+e(k-2)](4)12KpKiKd(1)KpKp,,,,,,;Kp,Kp(2)Ti,20节能ENERGYCONSERVATION2010年第7期(总第336期),;,PIPID(3)Td,,,,PID3,,,3#∃#∃#∃,#∃,#∃,#∃13PIDPID,[3]:,,;,,,2MATLABPIDMATLAB,,MATLAB,,,[4-5]PID,PID,MATLABSimulink,PIDPID,:,,;,,T;(1),PID,PID,:1KpKiKdP05KpPI0455Kp0535Kp/TPID06Kp12Kp/T0075KpTG01=99120s+1e-80s(5)G02=010710s+1(6)(5)(6),Simulink,PID,(1)(1)1(2),#StopTime∃1000,ode45,80s,(3)PID,,:Kp=1;Ki=0;Kd=0,22212010年第7期(总第336期)节能ENERGYCONSERVATION2,,PIDPID,PID,,,,,[6],,,,Kp,PID,,Kp5,,Kp25Kp=258,,33Kp3,,Kp=258,360,T=3651PIDMATLABCommandWindows:Kp=258;T=365;Kd=0075%Kp%T;Ki=12%Kp/T;Kp=06%KpKp,:Kp=1548;Ki=000848;Kd=706344,,,,,,,:Kp=1548;Ki=000858;Kd=506355,,#,41∃,454,,,3,PID,,MATLABSimulinkPID,SimulinkPID,PID,,,,,[1],,.MATLAB[M].:,2009.[2].PIDMATLAB[M].:,2003.[3],,,.PID[J].,2008,(4):160-161.[4].MATLAB[M].:,2003.[5].Matlab[M].:,1996.[6].PID[J].,2009,(6):19-21.:(1980-),,,,::2010-05-0322节能ENERGYCONSERVATION2010年第7期(总第336期)EnergyConservation(Monthly)Sponsor:LiaoningProvincialInstituteofScienceandTechnologyInformationPublisher:EnergyConservationMagazinePublishingHouseChiefEditor:JINNaAddress:No.274,QingnianBoulevard,ShenyangCity,LiaoningProvince,ChinaPostCode:110016CONTENTSJun.2010Vo.l29,No.7TotalIssueNo.336Implementingenergyaudit,promoteenergyconsumptionHEJian(ChinaPetroleumAuditServiceCenter,Beijing100009,China)Abstract:Chinesepetroleumenergysavingandtasks,energyaudi,tandtheproblemsinenergyauditdifficultiesandcountermeasureswereexpatiated.Accordingtotherequirementsofnationalenergyaudi,tenergyauditmethods,petroleumenterprisesforenterprisedevelopmentofenergyauditputsforwardasetofscientificandstandardized,feasiblethinkingofaudi.tKeywords:petroleumenterprise;energyaudi;tpracticeandreflection;suggestion4DiscussthefoundationofcircleeconomymodeinSGISWENWus,iLUOGuomin,CANGDaqiang(GuangdongShaoguanIron&SteelGroupCo.Ltd.,Qujiang512122,China)Abstract:DesignedthesteelindustrycircleeconomymodeinSGISbyusingsystemicviewpoin,tandintroducedtheactualitytaskoftheimplementonSGIScircleeconomythroughtechnologyinnovationandmanageinnovation.Keywords:system;circleeconomy;technologyinnovation;manageinnovation8EnergyefficiencysystemandenergyefficiencytestingofcomputermonitorsLISongli(ShanghaiInstituteofQualityInspectionandTechnicalResearch,Shanghai200031,China)Abstract:Basedonenergyefficiencystandardandenergyefficiencytestofcomputermonitors,byclassificationstatisticmethod,distributionofenergyefficiencygradesandenergyefficiencyrequirementswasanalyzed,andenergyefficiencylevelandrestrictfactorwerediscussed.Itisindicatedthattheimplementationofenergyefficiencysystemenhancedenergysavingprogramandhadsomedirectingrolefortechnicalinnovationofcomputermonitors&energysaving.Keywords:computermonitor;energyefficiencysystem;energyefficiency;energyconsumptionofoffmode;energyefficiencygrades14DesignofphotovoltaiccontrollerwithseriesPWMstructureLIYuan,ZHUJingquan(DepartmentofPhysicsandInformationEngineering,ShangqiuNormalUniversity,Shangqiu476000,China)Abstract:IntroducedanewdesignofphotovoltaiccontrollerwithtandemPWMstructure.Themajordesignideaswereexpounded,thecharginganddischargingstrategyanalyzed.Theexperimentalresultswerelisted.Comparingwiththetraditionalcontroller,thiscontrollerhasmoreadvantagessuchasthelowcos,tthehighefficiencyandreliable.Itissuitableforthesolargardenligh,tthesolarlampandothersmallandmediumsizedpowerapplicationconditions.Keywords:photovoltaic;seriesPWM;controller;MCU17FurnacetransferfunctionsPIDbasedonMATLAB/Simu1inksimulationZHAOChunfeng,SUNXingpeng,WANGDongxing(SchoolofMechatronicsandAutomobileEngineeringYantaiUniversity,Yantai264005,China)Abstract:ProposedfurnacetransferfunctionsPIDcontrolunderMATLAB/Simulinkenvironmentadjustparameter.UnderthesimulationenvironmentpiecetogetherPIDparameterwithanintuitive,visua,landeasyandsoon.Themethodofcalculationwithsmallcomputation,simpletorealizeandeasytooperate,soitiseasyforengineerstomaster.Theresultsshowthatthemethodhasgoodvalidityandstability.ItishelptosetofPIDparametersassoonaspossibleinthefactory.Themethodhashighpracticalvalue.Itcaneffectivelyimprovetheproductionefficiency.Keywords:PIDcontroller;simulation;adjus;tMATLAB/Simu1ink20CorrosionfailureanalysisofcompositepipeweldsZANGHanyu,ZHANGYaming,ZHOUYan,eta.l(NationalEngineeingReasearchCenterforCorrosionControlofMeta,lShenyang110016,China)Abstract:Inordertosolvetheproblemsofperforatedvittacausedbycorrosioninacertainoilfield,weinvestigatedthecorrosionshapeandthecomponentofcorrosionproductionbythemethodsofmetallogr