用人工神经网络实现远动设备的即插即用

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1.,100085;2.,100037):,SCADA,,,,,,,:;;;;:TM764;TP18:20022042010,,,SCADA,,,,,(IEC)[1],,,,[2],,OPC(OLEforprocesscontrol)OPCMicrosoft,MicrosoftOLEöCOMOPC,WindowsNT,,OPC,,OPC,,,,1:,,,;,,SCADA,:;;;,,,,,,193262220021125Vol.26No.22Nov.25,2002©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(Hopfield),,;,(),,,,,BP(),BP(2)1,Q,q(q=1,2,,Q)nq,qiw(q)ij(i=1,2,,nq;j=1,2,,nq-1),qiH(q)i2BPFig.2BPnetworkmodels:y=f(s)=11+e-as(1):s(q)i=nq-1j=0w(q)ijx(q-1)jx(q-1)0=H(q)iw(q)i0=-1(2)x(q)i=f(s(q)i)=11+exp[-as(q)i](3):i=1,2,,nq;j=1,2,,nq-1;q=1,2,,QoP:x(0)p=[x(0)p1,x(0)p2,,x(0)pnQ]T(4)dp=[dp1,dp2,,dpnQ]T(5):p=1,2,,P:E=12Pp=1nQi=1(dpi-x(Q)pi)2=Pp=1Ep(6)Ep=12nQi=1(dpi-x(Q)pi)2(7)E,,[3]5Ep5w(Q)ij=5Ep5x(Q)pi5x(Q)pi5s(Q)pi5s(Q)pi5w(Q)ij=-(dpi-x(Q)pi)f(s(Q)pi)x(Q-1)pj=D(Q)pix(Q-1)pj(8):D(Q)pi=-5Ep5s(Q)pi=(dpi-x(Q)pi)f(s(Q)pi)(9)Q-1,:04©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(Q-1)ij=5Ep5x(Q-1)pi5x(Q-1)pi5w(Q-1)ij=nQk=15Ep5s(Q)pk5s(Q)pk5x(Q-1)pi5x(Q-1)pi5s(Q-1)pi5s(Q-1)pi5w(Q-1)ij=nQk=1-D(Q)pkw(Q)kjf(s(Q-1)pi)x(Q-2)pj=-D(Q-1)pix(Q-2)pj(10):D(Q-1)pi=5Ep5x(Q-1)pi=nQk=1D(Q)pkw(Q)kjf(s(Q-1)pi)(11)x(q)pi=f(s(q)pi)=11+exp[-as(q)pi](12)f(s(q)pi)=aexp[-as(q)pi]{1+exp[-as(q)pi]}2=af(s(q)pi)[1-f(s(q)pi)]=ax(q)pi(1-x(q)pi)(13):w(q)ij(k+1)=w(q)ij(k)+AD(q)ij(k+1)D(q)ij=Pp=1D(q)pix(q-1)pjD(q)pi=nq+1k=1D(q+1)pkw(q+1)kjax(q)pi(1-x(q)pi)D(Q)pi=(dpi-x(Q)pi)ax(Q)pi(1-x(Q)pi)(14):q=Q,Q-1,,1;i=1,2,,nq;j=1,2,,nq-1;A0,AA,;,,[3]:w(k+1)=w(k)+A(k)D(k)A(k)=2KA(k-1)K=sgn[D(k)D(k-1)](15),,,,E,(15)1:w(k+1)=w(k)+A(k)[(1-G)D(k)+GD(k-1)](16),,,(3.3),:RTU(3.1),(3.2),,,:SC1801DLöT6341997(101),1:1;,4(3),0,1211.52;(4),0,1,2,34no,odd,even,markspace1Table1Exampleofbasiccommandtable12301010000FF01020000FC01040000FA8,1,0,11049014A16104001411610480149168,1,0,2:SC1801;DLöT634-1997(101)12,,3;,2Table2Exampleofsampletable014100127F014200047F014400017F000000014100123801420004380144000138108B018C161080018116108B018C1600000110AB01AC1610A001A11610AB01AC16:SC1801;DLöT6341997(101);2,:15,35;6,6;12,1,,,14©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(SOE,),,3.2,,,3.1,,,,;,,,SC1801DRF(),3,,,12,SC18013SC1801DRFFig.3CommandDRFofSC18013.3,,,:;,,,,,3.4,,,,,,,,,,,,,,,,3.5,,,,n,m,mn,,,,,,,,,,,,n24©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,,,3.5,,,,4(RS2485öRS2232)(Windows2000,VC6),4.1,,,,,;,DiskOnChip,,,1,RS2485öRS2232,,,,4.2,,,(master)(RTU)(RTD)master,,RTDRTURTD,,44Fig.4Modelofprotocolconverterstructure5a.,b.,,,,c.,,1(XinYaozhong).(DataCommunicationProtocolSeriesforPowerSystems).(AutomationofElectricPowerSystems),1999,23(1):40442,,(JingDong,TengFusheng,ZhangXiao).(StudyontheReal2timeBasisInterconnectionofElectricPowerSupervisoryandControlSystems).(AutomationofElectricPowerSystems),1999,23(14):54563,,(SunZengqi,ZhangZaixing,DengZhidong).(IntelligentControlTheoryandTechnology).:(Beijing:TsinghuaUniversityPress).:(Nanning:GuangxiScienceandTechnologyPress),1997(1973),,,E2mail:[e-mail](1964),,,,E2mail:[e-mail](1975),,,E2mail:[e-mail]34©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.’PnPWangWenping1YWangHua2YYiSu1YXuLayuan1;1.ElectricalPowerResearchInstituteofChinaKBeijing100085KChinaG;2.CapitalNormalUniversityKBeijing100037KChinaGAbstractPTherereallyaredifficultiesofdistributionautomationsystemintegrationforthedifferenceofprotocolsbetweenthetelecontroldevicesandtheSCADAsystems.InthispaperKamethodofrealizingtelecontroldevices’PnPisproposedtomakeiteasytoconnecttelecontroldeviceswithSCADAsystems.TheANNisusedtoidentifythetypeofprotocolsbyestablishingthenonlinearmappingbetweenthecharacteristicinformationandthetypeofprotocols.ThemethodsofthekeyproblemsaregivensuchastheacquirementofdataKthepickupofcharacteristiccodesKthecompilationofsamplesKthetimesoftrainingandtheautomaticidentificationofcommunicationspeedandtheappendingofnewprotocols.BesidesKthemethodtoimplementthePnPsupportedmulti2protocolintelligentcommunicationcontrollerisbrieflypresented.ItisausefulattemptinthisfieldandtheresultissatisfactorywhilethereisnoPnPstandardfortelecontroldevices.KeywordsPtelecontroldeviceMANNMplugandplay;PnPGMprotocolMintelligentidentification(33continuedfrompage33)1SalvaderiL,BillintonR.AComparisonBetweenTwoFundamentallyDifferentApproachestoCompositeSystemReliabilityEvaluation.IEEETransonPowerApparatus&Systems,1985,104(12):348634912BilliontonR,LiWenyuan.ReliabilityAssessmentofElectricPowerSystemUsingMonte2CarloMethods.NewYork:PlenumPress,19943,(ZhouJiaqi,ChenBaoxi).(PowerSystemStaticSecurityandReliabilityAnalysisSystem).,(ElectricPowerSystemResearchInstituteofChongqingUniversity,PowerTestInstituteinSichuanProvince),19994(YasujiSekine).(PowerSystemLoadFlo