辅助舰船应急消磁系统研究

:1009-3486(2002)04-0037-04(,430033):,.,.:;;:U665.18:A.,,.,(),.,:,;,,;,,.,.,:,;.,,.,,,,.1,.1,.,,(IEM)[1].,.,(,1),[2]:14420028JOURNALOFNAVALUNIVERSITYOFENGINEERINGVol.14No.4Aug.2002:2001212230;:2002205222:(1956-),,,.1M(r)=Hs-14¨M(r)(r-r)|r-r|3d(1):Hs;M;.N,,.M,(1):1i[Mxi][Myi][Mzi]+[Cixjx][Cixjy][Cixjz][Ciyjx][Ciyjy][Ciyjz][Cizjx][Cizjy\[Cizjz][Mxj][Myj][Mzj]=[Hsxi][Hsyi][Hszi](2):1i3N;[Cij](NN),;[Mi],[Mj],[Hsi]N;=x,y,z;=x,y,z.(2871T),[3],(2),M,.,,,,.,,.,V,nVi,i(i=1,,n),:=ni=1iViV,.,.,.,,.2,[4]:,,Hz1020T.,Ziz2.54.0T,;Zix2.03.0T;Ziy2.03.0T,.,,.,,,,,10%20%[5].,.,,,,..,.(),[6](),,.,,ZHWZHTHPGHP.,ZHWZHTHPGHP.,ZHTGHP8314,,GHPZHT..,.,.,,..,.,5(2).,.,,.23,3().,,ISO(3),.,,.,.,,,,.,.4,,.,.,,.,,.,.,,,,,934:(),().:[1],.[R].:,1986.[2],,.[J].,1996,30(7):83-88.[3].[M].:,1990.[4].[D].:,2002.[5].[M].:,1977.[6].[M].:,1994.StudyontheemergencydegaussingsystemofauxiliaryshipsLIUDa2ming(Dept.ofElectricalEng.,NavalUniv.ofEngineering,Wuhan430033,China)Abstract:Twotechnicalproblemsinthedesignoftheauxiliaryshipsemergencydegaussingsystemarediscussed,andthesolvingthoughtsarepresented.Atechnicalproposaloftheemergencydegaussingsystemispresentedfortheauxiliaryshipswithoutdegaussingsystem.Keywords:ships;magneticfields;degaussingsystem(27):[1].[J].,2001,13(5):20-23.[2],,.[M].:,1996.[3]NardonSC,LindgrenAG,GongK.Fundamentalpropertiesandperformanceofconventionalbearings2onlytargetmo2tionanalysis[J].IEEETransactionsonAutomaticcontrol,Sept.1984,AC-29:775-787.[4]ChanYJ,RudnickiSW.Bearings2onlyandDoppler2bearingtrackingusinginstrumentalvariable[J].IEEETransac2tionsonAerospaceandElectronicSystems,Oct.1992,AES-28:1076-1083.[5].[M].:,1979.Singlestationaryobserverbearings2onlytrackingusinginstrumentalvariablesLIUZhong(Dept.ofweaponryEng.,NavalUniv.ofEngineering,Wuhan430033,China)Abstract:Theinstrumentalvariablesareobtainedfrompredictionsbasedonpastthreebearingmeasure2mentsandarethereforeindependentofthepresentnoisymeasurements,soarecursive,unbiasedestimatorisestablished.Keywords:bearings2onlytracking;pseudolinearestimator;instrumentalvariables0414