关联维数在往复压缩机气阀故障诊断中的应用

1820071(201):2006-08-20:100622971(2007)0120018203,,,(,163318):,,:;;;:TH457:AApplicationofCorrelationDimensionintheFaultDiagnosisofReciprocatingCompressorGasValvesCONGRui,LIUShu2lin,YangLi2jing,MARui(DaqingPetroleumInstitute,Daqing163318,China)Abstract:Thispaperputsforwardanewwaythatappliesthecorrelationdimensionintothefaultdiagno2sisofreciprocatingcompressorgasvalves,becausetraditionalwaycannotdiagnosethefaultdiagnosisef2fectively.Bydiagnosingthefamiliarfaultdiagnosisofgasvalve,theresultshowsthecorrelationdimen2sioncandiagnosethefamiliarfaultdiagnosisofreciprocatingcompressorgasvalveeffectively.Keywords:correlationdimension;reciprocatingcompressors;gasvalves;faultdiagnosis,,,,[1],,,,[2],,,,[3],,,,1G-PGtassbergerProcaccia,G-P[4],,,X(k),k=1,2,,N,mY(k)={X(k),X(k+),X(k+2),,X(k+(m-1)),:{Y(1),Y(2),,Y(Nm)}T,:Nm=N-(m-1);m;C(r)=1N2m6Nmi=16Nmi=1(r-rij)(1)rrijYjYi1,:19(u)Heaviside(u)=1u00uF0(2)r,C(r)=H(r)DDD=limr0(lnC(r)/lnr)(3),,[5]:(1)m,,,,,lnrlnC(r),Dm,(2),;,,,Rosen-stein,1/e2,,,Lyapunov,Lyapunov010547,Lyapunov,[6],G-P,14C(r)rm=512,D,Dm,,(),,14,110.75050.80671.17881.26581lnrlnC(r)2lnrlnC(r)3lnrlnC(r)4lnrlnC(r)1,,,0175;,,018;201,111113,,,3,,,,,,,:[1],,,.[J]..2002,31(5):1-3.[2]GansRF.WhenIsCuttingChaoticJournalofSoundandVi2bration,1995,188(1):75-83.[3]ThomasS.Parker.P.NumericalAlgorithmsforChaoticSys2tems.Springer-Verlag:WorldPublishingCorp,1992:167-173.[4],,,.[J].,2004,30(2):40-43.[5],.[J].,2005,26(2):116-120.[6],,.[M].:,2002:57-66.:(1972-),,,,:21(17)233(1)FluentGambit,,,CFD(2),101214161820,404244,,,,1644,:[1],,.[J].,2003,18(3):290-292.[2],,.[J].,2003,31(8):13-15.[3],,.[J].,2004,35(6):56-58.[4],.[J].,2006.90-93.:(1978-),,(),