基于虛擬儀器的電機振動測試分析系統(tǒng).pdf

1、Y1213432洳≥：j～碩士學位論文論文題目基土虛墊邀墨的電扭援麴型達筮塹丕統(tǒng)提交日期型叢生!旦浙江大學碩士學位論文摘要AbstractTheelectricmotorisonesortofthemostimportantelectricequipmentsinmodemmanufacturingItsfailurehasseriousimpactonthemanufacturingThe∞vironmentalprotectionr

2、equirescontrollingtheelectricmotor’snoiseMeasuringandanalyzingthevibrationofelectricmotorprovidesawaytodetectmotor’sfaultandreducenoiseItisvitalofimportancetodevelopameasurementandanalysissystemVirtualinstrumenttechnolog

3、yiswidelyusedinmeasurementduetoitsdevelopmentinthelast20yearsComparedtotraditionalinstrumentVirtualinstrumenthasmanyadvantages，suchasbetterperformanceLabVIEWisoneofthebestvirtualinstrumentsoftwareplatformsTllisthesisimpl

4、ementedameasurementandanalysissystemforelectricmotor’svibration1hemaincontentofthethesisincludesthefollowings：1Avirtualinsmanentbasedmeasurementandanalysissystemisdevelopednefunctionofthissystemcoversthevibrationsignal’s

5、acquisition，displayandprocessand，datamanagement2Thestudyofsignalprocessingmethods，suchasFFT，time—frequencytransformwaveletanalysis，anditsapplicationinvibrationsignalprocessingareconductedICA(IndependentComponentAnalysis)

6、andits印plicationinvibrationsourceseparationarediscussed孔eoptimizedparameterofvarioussignalprocessingmethodsisputup3Themethodsoffeatureextractionandselectionrelatedtoelectricmotor’svibrationareextensivelystudiedinthisthes

7、isALSSVMhasedfaultdiagnosissystemisdesignedtodemonstratetheeffectivenessofSVM4AnewclassifierisputuptosolvetheproblemthatitisdifficulttogetenoughofsamplesaboutthemotorfalsestatusexceptthenormalconditionThisclassifierisapr