轉(zhuǎn)爐懸掛減速機(jī)動力學(xué)分析及故障診斷研究.pdf

1、武漢科技大學(xué)碩士學(xué)位論文轉(zhuǎn)爐懸掛減速機(jī)動力學(xué)分析及故障診斷研究姓名：李文慧申請學(xué)位級別：碩士專業(yè)：機(jī)械設(shè)計(jì)及理論指導(dǎo)教師：孔建益湯勃20090516第1I頁武漢科技大學(xué)碩士學(xué)位論文AbstractConvertersuspensionreducerisakeycomponenttorealizethesteelmakingproductionIthascharacteristicssuchasthelowspeedheavyloaded

2、，startingandbrakingfrequentlyItscomplexstructure，adverseworkingenvironmentandSOoncausesthefailureofsuspensionreducerOnceconvertersuspensionreducerhappenseriousfailures，itleadstothelongtimeofstopproductionandreplacementpa

3、rts，whichcausesenormouseconomiclossesTherefore，itsperformanceneedsinreal—timemonitoringImprovethefaultsignalmonitoringanalysisingandprocessingcapabilityhasbeenapriorityThispaperistostudydynamicsanalysisandthefailurediagn

4、osissystemsoftware’SdevelopmentofconvertersuspensionreducerDevelopedsoftwarecallrealtimereflecttherunningstatus，judgetheequipmentproblemsthatmayappearpreventtheoccurrenceofheavyaccidentsFirst，itintroducesconvertersuspens

5、ionreducersstructureanddynamicsanalysisSystemsimplifiesmechanicalmodelofthreemasssystemThroughtheestablishmentmovementsimultaneousdifferentialequationsitsolvesthesystem’Snaturalfrequencytheangulardisplacementofthetorsion

6、vibrationandtorsionvibrationtorqueTounderstandtheconvertersuspensionreducersvibrationcharacteristic，forcorrectlyoperatingandmaintainingfacilities，analysisandsolutionequipmentfailure，itCanprovidethehelpSecondlyitdescribes

7、theconvertersuspensionreducersmajorfailureform，vibrationmechanismandthemainfeaturesofthefrequencyoffailureInviewofsuspensionreducersoperationalfeatures，itgivesthesignalprocessingandthefailurediagnosismethodThechoiceoftim

8、edomainstatisticalcharacteristicsanalysiscarriesonthesimplediagnosistoconvertersuspensionreducerThetechniquesofpowerspectrumdetailedspectrum，theenvelopespectrum，waveletanalysisandSOoncarryontheprecisiondiagnosistoconvert

9、ersuspensionreducerThefaultsignalcanbeextractedthecharacteristicsvalue，theaccumulationofdatasamplesasaBPneuralnetworkfaultrecognitiontoconvertersuspensionreducersintelligentdiagnosisFinallyconvertersuspensionreducerasamo

10、nitoringobject，choosethemeasuringpointsandthemonitorsignalreasonablydevelopaconvertersuspensionreduceronlinemonitoringfaultdiagnosissystemItelaboratesthedesignanddevelopmentofthesystemhardwareandsoftwareBasedDelphihighpe

11、rformancedevelopmentplatform，effectivelyUSethepowerfulscientificcomputingfeaturesandrichtoolboxofMatlabSoftwarefunctionmodulesinclude：onlinemonitoring，signalanalysis，faultdiagnosisaswellasdatabasemanagement，etcAccordingt

12、otheneeds，itCancarryontheexpansionmodulesMonitoringsystemCanreflecttheworkprocesssimultaneouslycompletelyandreal—time，reasonabletostoreandmanagedatacorrectlymonitorequipmentstatus，carryontheanalysisoftheabnormalstateofsu