动态矩阵(DMC)-PID串级预测控制策略在新型叶片连续

27420067JournalofAstronauticsVol.27No.4July2006(DMC)-PID,,,(,150001):(DMC)DMCPIDPID,PID,DMC,DMC,,PID,DMC-PID:;DMC-PID;:TP273.2:A:100021328(2006)0420625205:2005205230;:2005208229:(4.4.1.7)0,,,,,,,,,(DMC),DMC,PID,PID,,DMC,DMC-PID[1],,,,[2]PID,DMCPIDPID,,[3]1DMC-PIDDMC,G1(z)PID,G2(z)PID,Ka,Ksv,G(z)1,,r,u(k),y(k)PID,DMC-PID,1DMC-PIDFig.1ConfigurationofDMC-PIDbunchescontrol2DMC,PID,ai=a(iT),i=1,2,3,.TtN=NT,aNa(),{a1,a2,a3,,aN},DMC,[a1,a2,a3,,aN],Nk,u(k),Ny0(k+iPk),(i=1,2,,N),:yi(k+iPk)=y0(k+iPk)+aiu(k)(i=1,2,,N)(1),kMu(k),u(k+1),,u(k+M-1),:yM(k+iPk)=y0(k+iPk)+6min(M,i)j=1i-ju(k+j-1)(i=1,2,,N)(2)M,y,k+iPkkk+i,k,(2)[4]3u,KMPyM(k+iPk)r(k-i),i=1,,P,DMC,u(k)k:J(k)=6Pi=1qir(k+i)-ym(k+iPk)2+6Mj=1u2(k+j-1)rjmin(3)MP,MPN,qi,ri,(3)5J(k)/5u(k)=0u(k),u(k+1),,u(k+m-1)DMCu(k)u(k)=u(k-1)+u(k),u(k+1),4DMC,,,M,DMC,,DMCPID:aidihi,aiT,diTPMQR,hiQ:Q=diag(q1,q2,,qp)(4)62627qiqi:1)q1=q2==qp;2)q1=q2==qp1=0qp1+1=qp1+2==qp=q(5)R:R=diag(r1,r2,,rM)(6)ri,r,r,rh,h5(DMC),,360,,2,,,:(),,,(),,,,,,,,,,,,,,,2Fig.2Workingprincipleofcontinuosrataryelectro2hydraulicservomotor3,,[5],,DMC,PID,,a,d,hKn,4DMC:3Fig.3ThephenomenonofthemotorslowspeedcrawlPID:G=z(z+0.248)(z-1)(z2-0.696z+0.126)(Kp+Ki1z+Kdzz-1)(7)DMC,T7264:(DMC)-PID,NTPIDT,,N,,,,TN2050T=0.05,N=20,,M=P=N=20.:4(DMC)Fig.4PrincipleofDMCprognosticateabouthydraulicsimulatorpositionservosystema=[0.0615;0.1772;0.3149;0.4508;0.5723;0.6744;0.7567;0.8210;0.8701;0.9069;0.9340;0.9538;0.9679;0.9780;0.9850;0.9899;0.9933;0.9960;0.9980;1.0000]:dT=[0.0370;0.0840;0.2206;0.2168;0.2584;0.1677;0.1119;0.0316;-0.0159;-0.0349;-0.0382;-0.0235;-0.0108;0.0008;0.0061;0.0062;0.0040;0.0020;-0.0009;-0.0013]MATLABPIDDMC-PID,,h,,PID[Ipp0]Kn,5,1PID,2DMC-PID:5PIDDMC2PIDFig.5CurvesofstepresponseandrampresponsewithPIDcontrolandDMC-PIDbunchescontrol5,DMC-PIDPID,,,DMC-PID:[1].[J].,2001,1682627(4):385-391[CHENHong.Presentconditionandproblemofnonlin2earpredictive[J].ControlandDecision,2001,16(4):385-391][2],.LuGre[J].,2003,(2):67-69[WUSheng2lin,LIUChun2fang.Frictiondynamiccompensationforelection2hydraulicservosystemsbasedonLuGrefrictionmodel[J].MachineTool&Hydrau2lics,2003,(2):67-69][3],,.PID[J].,1996,(2):15-18[WANGGen2ping,ZHANGYu2run,ZHOUChun2hui.Theapplicationofpredictivecontrolinde2signingPIDregulators[J].OrdnaceIndustryAutomation,1996,(2):15-18][4],.[J].,1996,(2):30-33[GUOPing,YANGPing.Real2izationofpredictivecontrolinDCS[J].JournalofShanghaiInstitute&ElectricPower,1996,(2):30-33][5].[M].:,1996,(1):127-153[SHUDi2qian.Predictioncontrolsystemanditsapplication[J].ChinaMachinePress,1996,(1):127-153]:(1969-),,,,:420(150001):[phone]E2mail:[e-mail]amicMatrixandPIDBunchesPrognosticateControlStrategyontheNewTypeSlidingVaneMotorPositionServoSystemCAOJian,WANGJun2kai,WUSheng2lin,LIShang2yi(HarbinInstituteofTechnology,Harbin150001,China)Abstract:TheDynamicMatrix(DMC)prognosticatecontrolisonewithmethodofoptimizingtheindexandconfirmingthecontrolstrategy.OnthebasisofPIDbunchescontrol,TheDMC2PIDbunchesprognosticatecontrolregardstheservosystemcon2trolledbyPIDasgeneralizedobject,andmakesuseofDMCprognosticatealgorithmtooptimizethecontrolparameteronlineandrollingly,andoptimizationprocedureprocessingfeedbackcompensationcontinuouslyusingreal2timeoutputinformation.SimulationanalysisshowsusthattheDMC2PIDbunchescontrolstrategycanimprovetheoverallsystemstrackingperformanceincontrastwiththesimplePIDcontrolstrategy.Keywords:Dynamicmatrixprognosticatecontrol;DMC2PIDbunchescontrol;Rollingoptimize(624)ResearchonRobustAdaptiveControlforHypersonicVehicleLIUYan2bin,LUYu2ping,HEZhen(CollegeofAutomationEngineering,NanjingUniversityofAeronauticsandAstronautics,Nanjing210016,China)Abstract:Becauseofhypersonicvehiclespeculiarstructureandcomplexflightcondition,itshighnonlinearmathematicalmodelisnearlyimpossibletobelearnt,evenifsomemathematicalmodelsestablishedarealsoinaccurate,thereforealotoftradi2tionalcontrolmethodscannotbeapplicable.Thispaperpresentsrobustadaptivecontrolforhypersonicvehicle,whichreliesononehiddenlayerneuronadjustingparametersonlineinordertoapproachitsuncertainmathematicalmodel.Asaresult,thede2pendenceofmodelisdecreasedgreatlyinthecontrollingprocess.Inaddition,thiscontrolmethodalsohasthenon2lineardecou2plingability.Finally,thesimulationandanalysisforhypersonicvehiclevalidatethiscontrolmethodseffectivenessandstrongro2bustness.Keywords:Flightcontrol;Robustadaptivecontrol;Hypersonicvehicle;Onehiddenlayerneuron9264:(DMC)-PID