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391620098MATHEMATICSINPRACTICEANDTHEORYVol.39No.16August,2009王延伟1,3, 姬志飞1, 李光迪2(1.,250061)(2.,250061)(3.,250061):,.,,,.:;;;;1:2009-04-30,,,,,,.,,,,.Qt=KF(tL,t-tn),.,:A);B);C);D);E);F).:CL0:;CLn:;QA:/;QC:/;QD:/;QE:,;QF:;V:;TLInt,TLOutt:t;TRInt,TROutt:t;T0:,T0=26.,:;12(1.5-2);(QE);30w;;;.22006:1):30w,A)E).,:CL0+QA+QC+QD+QE=QF+CLn(1)A)QC+QD1:QC=KFMt=1(tL,t-tn)QD=BQC:K,F.K=1.2,K=0.6,B=0.8.5.6.6,1,5,4.5,.,:QC+QD=1.8Qt=1.81.2560006+0.645600064.55Mt=1(tL,t-tn)(2),M,tL,t,tn.B)QF:QF=LVMt=1(TInt-TOutt):L1:21439QF=CQ(TIn-TOut)C)CL0,CLnCL0,,,:CL=R(T-T0),T.D)QAQA=30NN12.(1):30N+QE+R(T1-T0)+1.8QC=LV(TIn-TOut)+R(Tn-T0)(3)30N+QE+1.8Qt=KVMt=1(TInt-TOutt)+R(Tn-T1)(4),Qt=1.2560006+0.645600064.55Nn=1(tL,t-tn):N=49200(,:49236)N=1.7N=83460()QA=4920030=1476000=1.476106W()QA=1.7QA=2509200=2.5092106W()QE=2000000=2.2106W(:2208859)2):Qt=KF(tL,t-tn),,,,.A):CL(t)=30N(t)+1.8QD(t)+QE(t)+CL(t-1)(5)CL(0)=R(T1-T0)(6):CL(t)=30ti=1N(ti)+1.8ti=1Qt(ti)+ti=1QE(ti)+CL(0)=30Nt+1.8Qtt+QEt+CL(0)(7)Nt=ti=1Ni,QDt=ti=1QD(ti),QEt=ti=1QE(ti).B).CL*(t)t,:21516,:CL*(t)=30ti=1N*i+1.8ti=1Q*t(ti)+ti=1Q*E(ti)+CL(0)=30N*t+1.8Q*tt+Q*Et+CL(0)(8)1E:EFNt-N*tN*t+Qt-Q*tQ*t+QE-Q*EQ*E:30N+QE+1.8Qt=LVMt=1(TInt-TOutt)+R(Tn-T1)(9)ûTn-T1ûFK,K,,30N+QE+1.8QtLVMt=1(TInt-TOutt)(10),:E=CL(t)-CL*(t)CL*(t)FLVMt=1(TInt-TOutt)-(30N*t+1.8Q*tt+Q*Et)30N*t+1.8Q*tt+Q*Et+CL(0)FLVMt=1(TInt-TOutt)-(30N*t+1.8Q*tt+Q*Et)30N*t+1.8Q*tt+Q*Et+CL(0)LV=133i=1(LV)i,1.1()6.66.236.307.67.127.187.258.18.88.168.238.28(%)12.213.312.1787.796.496.029.411.963.268.3416.613.753),,24,,31.85%::W(t)=X[nV3Li+mV3Ri]+3XhV3maxs.t.CL(t)+eFLSLi(TIni-TOuti)(11)SLi(TLIni-TLOuti)FSRi(TROuti-TRIni)(12)SLiFnVLi,SRiFmVRi(13)0.75VmaxFVLi,VRiFVmax(14)1Fn,mF3,h=max(m,n)(15)21639:W(t)t-1t.X.n,m,h,,VLi,VRi.CL(t)t.e1,e2,.SLi.SRi.:K(0,0.9449],;K(0.9449,1.771],;K(1.771,+),.:A=1-X24i=112j=1(nV3ij+mV3ij+3h)X24i=112j=1(n+m+3h)=1-1.27381031869=31.85%4):,,..t-1t,,.Input:0t-1TLInt,TLOutt,nV,Tt-1,Tt,T0.Output:1tCL(t).1Fori=1tonRt=nV(TLInt-1-TLOutt-1)Tt-1-T0CL(t)=Rt(Tt-T0)End2OutputCL(t)..,,.,,,.,,,,.:[1].[M].:,2005.[2].[M].:,2005.21716,:[3].[J].,2006,(9):21-22.[4].[J].,2000,(4):18-21.Energy-SavingDesignforCentralAir-ConditioningSystemWANGYan-wei1,3,JIZhi-fei1,LIGuang-di2(1.SchoolofControlScienceandEngineering,ShandongUniversity,Jinan250061,China)(2.SchoolofComputerScienceandTechnology,ShandongUniversity,Jinan250061,China)(3.EngineeringTrainingCenter,ShandongUniversity,Jinan250061,China)Abstract:Thispaperstudiesandcalculatessomekeyproblemsinenergy-savingdesignfoirthecentralair-conditioningsystem,throughanalyzingtheworkingprincipleofthecentralaircondition.Restorepartsoftheoriginaldatasundertheconditionoflackingofavailabledatas.Setupmathematicalmodelthataccordswithmaintainingthetemperatureandtheenergyrequirementsbyusingdouble-goalplanmethod,anddesignrelevantcontrolstrategybasedonthecontrolalgorithmofcoolingload.Keywords:centralair-condition;energy-savingcontrol;differentialequations;double-goalplanmethod;controlalgorithmofcoolingload21839