轉爐懸掛減速機動力學分析及故障診斷研究.pdf

1、武漢科技大學碩士學位論文轉爐懸掛減速機動力學分析及故障診斷研究姓名：李文慧申請學位級別：碩士專業(yè)：機械設計及理論指導教師：孔建益湯勃20090516第1I頁武漢科技大學碩士學位論文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