基于振動(dòng)檢測的潛油電泵機(jī)組故障診斷的研究

1、中國石油大學(xué)（華東）碩士學(xué)位論文基于振動(dòng)檢測的潛油電泵機(jī)組故障診斷的研究姓名：席文靜申請學(xué)位級別：碩士專業(yè)：信號與信息處理指導(dǎo)教師：劉廣孚20080501ResearchonFaultDiagnosisofElectricSubmersiblePumpsBasedonVibrationDetectionXiW鍘ing(SigmIandInf0咖ationProcessing)DirectedbyPro￡LiuGuaIlg如Abstrac

2、tElectricsubmerSiblepump(ESP)uIlitistllernaindevicetoex臼actoilinnlewo訂dItSreliabili哆andcapabil姆isimportaIltt0assurethe11i曲yieldoftheoilfieldThestnJctureofESPisrelatiVeIyconlpIex，alldmany伍mtsofESP晰llleadtovibrationrn鵬u曲an

3、aJysisof齜Vibfationsi驢als0fES只prelimi王1a=哆judgementofsome最lu拯c(diǎn)雒be∞ncludedByacquiring鋤da11出z崦wel岫adVib刪onsignalsofESPtestwells，thefaultfeat呱eofESP’svibrationcanbeeXt嫩ted，a芏ldsomefaultsofESPcaIlbefoundoutThediscussionl，Tode

4、tecttheVibra乏ionofESPs，aVib_rationsig蹦∞quisitionsystembased0nDSP(digitalsigll甜processor)andMEMS(Microelectromech徹jcaJsystems)accelerationsenSorisdesi薩edtOcollect也eESP’swellheadVibrationaccelera：tionsi剛s，111edataacquisiti

5、onSystemisdevelopedt0havet11e缸nctionofUSB—Host，witllwllichthevibrationdatacanbewr骶Ilt0files氈mobileUSB(螂vefsalserialbus)maSsstorage，thusac隨evmgthep融leandmassstorageacquisitionofESP’sVibrationsi鄹腳s2，Theconventional溉hnol。g)

6、，0fVib枷0nsignalsisdiScussediIlrotalingmaC蛐1eryfaultdiagnosis，such硒time—domaillanalysis，鋤plitudeaI】mysis，f沁quency—domaillanalysisThebaSeprinciple，adVantageanddisadV喊ageoftheSememodsareeXpatiated3Research鋤也ewaVeletanalysis

7、tlleo礙andwavelettransfonnin也evibrationsi印alprocessing印plicatioIlsWaVeletanalysisisakhldoftime—f論quencyanalysisWaVeIet咖sf0珊haSthech硼lCteriSticofmultiresolutionanalysis鋤dow∽o(hù)mesthelimitatiollSofFourier仃ansfo砷WaVeletan；alys

8、iswaSappliedt0證brationsignalsofESPinordert0eXtractfaultfeatureofESPAlotofmethods，suchaStirIle—domajn、Ⅳavefo瑚，po、verspectru鴨waVeletdecomposition鋤dwaVeletpacketdecompositionandsoon，wereappliedtoa11alyzeVibrationdataofESPga