轉(zhuǎn)子碰摩故障的計算機仿真與實驗研究.pdf

1、河海大學碩士學位論文轉(zhuǎn)子碰摩故障的計算機仿真與實驗研究姓名：袁鍇申請學位級別：碩士專業(yè)：機械電子工程指導教師：湯炳新20040301AbstractDuringtheoperationofrotarymachinerythefaultofrubbetweenrotorandstatoroftenhappensIfthefaultisnotdetectedintime，itwouldleadtomanyseriousconsequence

2、sTodiagnosewhetherthephenomenaofrubhappensornot，itisveryimportanttodosufficienttheoreticalandexperimentalresearchonrubBasedonthisquestion，theoreticalanalysis，computersimulationandexperimentalstudyontheruboftherotorsystem

3、areadoptedinthisdissertationThemathematicalmodelofrubhasbeenbuiltwhiletheoreticalresearchbegins，thenapproximateperiodicsolutionsfornonlinearequationsofthemodelhasbeenworkedoutbyusingtheharmonicbalancemethodTherotorsystem

4、isstudiedandanalyzedbyusingthefiniteelementmethod，SOthefiniteelementmodelsofthewholerotorsystemarebuiltDuringthestudyofcomputersimulation，anewobject—orientedsimulationsolrareDymolaisusedtoprogramcodemoduleabouttherotorsy

5、stemSimulationbeginsbyusingthefiniteelementmodels，aseriesofsimulationfiguresareachievedAftersimulation，experimentalstudybeginsDuringthecourseofexperimentanexperimentalsystemfortheresearchofrotorrubisdesignedTheexperiment

6、alresultsshowthatthesystemhasagoodcharacteristicofremotecontr01Aftertheexperimentbeingcomparedtheexperimentalresultswithsimulationresults，someconclusionsaboutrubaredrawnThekeyresearchworksforfilrtherstudyareproposedatlas