7320099()JournalofNanjingInstituteofTechnology(NaturalScienceEdition)Vol.7,No.3Sep.,2009:1672-2558(2009)03-0014-091,1,2(1.,,211167;2.,,241300):,,.,.:;;;:TK288:ASignalFilteringandFeatureExtractionTechnologyofRotatingMachineryVibrationSignalProcessZHANGJun1,WANGJin2ping1,ZHUBo2(1.SchoolofEnergyandPowerEngineering,NanjingInstituteofTechnology,Nanjing211167,China;2.AnhuiHuadianWuhuPowerGenerationCo.Ltd,Wuhu241300,China)Abstract:Basedonstudiesofthereservoirsignalfilteringandfeatureextractiontechnologyallovertheworld,signalfilteringandfeatureextractiontechnologyinvibrationsignalprocessesarereviewedandsummarized.Theadvantagesanddisadvantagesofvibrationsignalfilteringandfeatureextractionmethodsareanalyzed.Theresearchmethodsandtechniquesinthispaperwillprovidereferenceforlargerotatingmachineryfaultdetectionanddiagnosis.Keywords:rotatingmachinery;vibrationsignal;filtering;featureextraction:2009-04-09;:2009-07-15:(1971-),,,,.E2mail:jun91zhang@163.com,,,,.,.,.,.,,.1,.©1994-2011ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,.,.,,..,;,Fourier,FFTFourierWigner.,,..111FFTSTFT2060,[1].1965,JWCooleyJWTukey(FFT)[2],FFT,.FFTFFT,:(DIT2FFT)(DIF2FFT),[3-5].,,.1946,,-,Gabor(WFT)(STFT),[6].[7-8].FFT,STFT,.112(STFT),,(wavelet).2080,-(-),[9].,,.,.[10].,,:mallat[9,11-17]..1132040,.(),,.,.,,,.2060,,,.,[18].(Kalmanfiltering)2060,1962,GeraldSmithStanleySchmidtLeonardMcGee51©1994-2011ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()20099.,.[19],.[20-22].,,,.2005,[11],(),,.,,.,,.114WinrowB1967(self2adaptivefiltering)[18].,,,,,.,.,.,[18]..,Volterra.,,.,,[23]1;[24]3H-8/450,.115EMD1998,NEHuang,-(Hilbert2HuangTransformation,HHT)[16].(EmpiricalModeDecompo2sition,EMD).EMD,EMDIMF(IntrinsicModeFunction),,,.EMD,,,EMD.,IMF,IMF.EMD,[25-26].116(MathematicalMorphology).,,,,[27-30].,,[29]DG45,--.,.61©1994-2011ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,.,;[31],,.117,().[32].,,.,.:FRR(Forward2ReverseFiltering,ReverseOutput)RRF(Reverse2ReverseFiltering,ForwardOutput)[33].,IIR,,IIRFIR,.,,(FRR),,[34].118,,,..,,.,,.[35]300MW,.119,Monte2CarloParticleFiltering(PF)(SVD)(PCA)(ICA)Wigner,[34,36-39].2,.,,.().,.,,,,,.,.[40].:,,[39].,.,71©1994-2011ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()20099,.(),.(Winger2Ville(WVD)(STFT)(WT)(EMD)(PCA)(ICA),[41].211N[42].:.(),Fourier,;,.ARMA.ARMA,,.,ARMAFFT,ARMAAR.AR,,AR.[43],AR,;[44]AR,,.[45]TVAR.,TVAR,,.212,.,,,.,.,.,,.1977T.Sato,,.,[46]Markov,Markov,.,.213Fourier..,Fourier,,,,,81©1994-2011ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:.,.,,,..,,,,,..:FourierGabor.2.3.1Fourier(STFT)STFT,,,,,,-,(),[44].2.3.2Wigner2VilleWigner1932Wigner[46],..1948,Ville.,WignerWigner2Ville(WVD).1973,DE.BruijnWVD,WVD;1966,Cohen;1980,ClassenPhilips.J.Res.WVD,WVD.,2080WVD[47].Wigner2Ville,Wigner2Ville,,.Wigner2Ville,.,Wigner2VilleWigner2VilleWigner2VilleWigner2Ville,[48].Wigner,[47,49]Wigner.WignerWigner2Ville,,WignerWigner2Ville.,.Wigner,FonollosaWignerWigner2Ville,:,WignerWigner2Ville[47,50];[51]WignerWigner;[52]Wigner,,,.2.3.3[53],,(STFT).,,.91©1994-2011ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()20099,,.[54];[55],.214(EMD)EMD,,,.,[41].(EmpiricalModeDecomposition,EMD),,.[56]WingerEMDWinger.,,:EMDWingerWinger.,EMD(HT)Winger,:EMDHTWinger[57].[58],HHT;.,HHT,,.215(PCA)(ICA)(PCA)(PLS),.,.PCAPearhon1901.,.[59-60].ICA,.PCA,ICA.,ICA,(MI),ICA.,.[61](ICA).ICA,,,.216,,,.3,02©1994-2011ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,.,.:[1],.[M].:,1990.[2],.[J].,2005,5(2):1-3.[3]WHELCHELJJ,GUINND.FFTorganizationsforhigh2speeddigitalfiltering[J].AudioandElectroacoustics,1970,18(2):159-168.[4]MARTINSONL,SMITHR.DigitalmatchedfilteringwithpipelinedfloatingpointfastFouriertransforms(FFTs)[J].Acoustics,Speech,andSignalProcessing,1975,23(2):222-234.[5]SCHNAUFERB,JENKINSWK.AfaulttolerantFIRadaptivefilterbasedontheFFT[J].Acoustics,Speech,andSignalProcessing,1994,42(3):393-396.[6]MICHAEL,PORTNOFFR.Time2frequencyrepresentationofdigitalsignalsandsystemsbasedon2short2timefourieranalysis[J].IEEETrans2actionsonAcoustics,SpeechandSignalProcessing,1980,28(1):57-63.[7]YOUND,KIMJG.Hort2timeFouriertransformusingabankoflow2passfilters[J].Acoustics,Speech,andSignalProcessing,1985,33(11):182-185.[8]AMINMG,FENGKD.Short2timeFouriertransformsusingcascadefilterstructures[J].CircuitsandSystemsII:AnalogandDigitalSignalProcessing,1995,42(10):631-641.[9]ZHANGJ,HANP.Applicationofwavelettransforminsignaldenoising[C]//ProceedingsoftheSecondInternationalConferenceonMachmeLearningandCybernetics.Xian,2003.[10],,.[J].,2005,24(1):48-51.[11],.RLG[J].,2005,32(5):31-34.[12],,.[J].,2002,24(4):455-457.[13],,.[J].,2005,18(2):145-148.[14],.[J].,2004,6(1):13-15.[15],,,.[J].,2005,25(1):92-96.[16],,,.[J].,2007,26(5):71-73,103.[17],,.[J].,2002,15(1):90-92.[18].[M].:,2002.[19]SORENSONH,FILTERINGK.TheoryandApplication[M].NewYork:IEE