大中型泵站振動特性測試與分析.pdf

1、河海大學碩士學位論文大中型泵站振動特性測試與分析姓名：李丹丹申請學位級別：碩士專業(yè)：工程力學指導教師：江泉20080601AbstractThelargeandmediumsizedpumpingstationsexertimportantactioninfightingaflood，ejectingwaterlogging，flooding，moVingwater，watersupplyfort0、^，nandindustry，shi

2、paIld鋤elioratingentiromentFor量li曲pumpinge伍ciencycirculatingaIlddebaSinguIlitaccident，it’sintegranttochecktllecirculatingestateThepaperstudythelibratingcharaCteristicofthepumpullit，s啪upfamiliarfailurecharacteristic，choose

3、印pro兩atesignal柚alysismeaIlstodisposethesignal，combinetllelibratingcheckingexampleoftheHuaianthreestationpumpunit，taket11esmallwaVeanalysisintoⅡ1esigllaldisposal，dis印pearcon如sionofVoicesaIldconlpressthesi伊al，measurethebiz

4、allrerie，drawthemodelmaxcurVe，arlalysep啪punitcirculatingestateThemaincontentsinthisdissertation鋤esl】mmarizedasfIollows：1sumupthela增eaIldmediumsizedp啪punitlibratingcharacteristic，introducethebaSicpar鋤eterofpumpingstations

5、measure，a11alyserepresentatiVelibratingfIailⅢea11dcharacter2diStiUthepumpuIlitlibratingcharacteristic，discussthetestobjectalldthetestp叭，indeXthemeasurefj置shionoftheaXeslibratinga11dtheaXletreelibrating，bringfo刑ardⅡledist

6、illmeaIlsofthelibratingsignalcharacteristic3studytheapplyofthesmallwaveanalyseinthepumpunitlibratingcharacteristicdatapretreatment，discussoriginalsigllalsmaUwaVedecompose，dis印pearcon如sionofVoices，optimizesmallwaVeradixin

7、compress，decomposetiercounta11dhowtochoosethresholdstrategy4importbizarrerieconcept，adoptmodelmaxtheo巧whichbaseonconcatenationsmallwrvetranspositionaltocheckmebizarrerieofthelibratingsignal，educethemodelmaXimage，bringtob

8、earimagetocheckwhetherexistbiza玎eriepoint，realizethecirculatingestateofthepumpstation5checksmallwavetrallspositionandbizanerieofthelocales鋤plinglibratingsigllal舶mHuaianthreestationpumpunit，combinethetestaIldtheanalysisof