行波型超聲波電機振動分析與實驗研究.pdf

1、東南大學(xué)博士學(xué)位論文行波型超聲波電機振動分析與實驗研究姓名：莫岳平申請學(xué)位級別：博士專業(yè)：電氣工程指導(dǎo)教師：胡敏強20031020——————————查墮查蘭堡!：蘭些堡蘭ABSTRACTUltrasonicmotoristhedrivingsetusingconversepiezoelectriceffectofpiezoelectricceranficItpossesfeaturessuchassimplestructure，lar

2、getorqueoutput，directdriving，quickresponse，highcontrolaccuracyetcThemaincontentsandachievementsofthepaperareasfollowsThestructurecharacteristicandoperationmechanicsofringtypeandcylindricaltypetravelingwaveUSMareanalyzedT

3、heellipticmovementofparticleonthestatorsurfaceofcylindricaltypetravelingwaveUSMisprovedUsingbeamvibrationtheories，thevibrationmodeandvibration&equencyofringtypeandcylindricaltypetravelingwaveUSMarecalculatedTheeffectofcu

4、ttingtransmutationandmomentofinertiatothevibrationcharacteristicofUSMisinvestigatedTheFEMmethodanalysisonmodeofvibrationofUSMisintroducedTherelationbetweenvibrationmodeandoutputperformanceofUSMisresearchedUsingFEM，theinf

5、luenceofstator’Sshoeplatetomotor’SvibrationmodeandresonantfrequencyarestudiedTherotorisdesignedbyusingpressureequalizingcontactmodelofrotorandstatorAlsothebutterflyreedisappliedThereforethemotor’Sperformanceisimprovedgre

6、atlyThecontrolling，speedregulationtechniqueanddrivingcircuitofUSMareintroduced1OOmmindiameterlargertorquepressure—equalizingtravelingwavetypeUSMprototype，thesetusedforup‘a(chǎn)nd—downmovementwithnonoiseofcar’Swindowglassand15

7、mmshortcylindricaltypetravelingwaveUSMprototypeusedforpreciseorientationofmissile’SguidingheadaredesignedandfabricatedrespectivelyKeywords：Travelingwave。typeultrasonicmotor，vibrationanalysis，finiteelementmethod，optimized