電機(jī)電磁激發(fā)定轉(zhuǎn)子耦合剛體模型的振動研究.pdf

1、天津大學(xué)碩士學(xué)位論文電機(jī)電磁激發(fā)定轉(zhuǎn)子耦合剛體模型的振動研究姓名：吳慧敏申請學(xué)位級別：碩士專業(yè)：一般力學(xué)與力學(xué)基礎(chǔ)指導(dǎo)教師：賈啟芬201112ABSTRACTAsdrivingdevicetheapplicationofmotorhasbeenari’singwidelyAndwithmedeVeJ叩ing∞onomY，themotorbecomeslargeorultra—large，theinternalstmcmrecomplic

2、atedcon8tantlYTheproblemofvibrationandnoiseismorea11dmorepromln‘鋤TheprincipIeofmotormustbelucubratedThereforethisthesismakes!esearcheSonmeStatorandrotorcouplingrigidmodelwhentheg脅erat。rstansupin打equencyconVersionTheresul

3、tsCanprovidetheoreticalreferencetothedesignofge蝴rThemainwokecarlbeoutlinedasfoilow：FⅡstly，b881c0ntheactualstructure，thestatorandrotorcouplingrigidmodelofgeneratorhasbeenestablishedTheelectromagneticmagneticpotentialofthe

4、threepha8easynchronoushasbeenobtainedwhenthegeneratorstansupin丘equencyconVerslonandhi曲harmonicmagnetometiveforcehasbeenexpressed，especiallywnenthealrgapexistsConsideringtheeffectsofprocessillgtechll0109y，to廿ledlnerenceV1

5、bration，wegetthemagneticenergy劬【pressioni11the10wordersecondZy，tothemodelestablishedandthepartsofthemagnetometiveforcewe鋤lyzethe‰darnentalresonanceofthemodelThoughtheresponseequations，wegetStablllt)，ofthesteadystatesolut

6、ionAndtheeffectofelec旬romagneticstifftoulhe啪‘吶u鈕cyhasbeenanalyzed，aswellastheeffectofelec仃omagneticdampingandmasstesonanceInelI也erent療equencyofthevibrationofradialandtorsionhasbeencalculatedbyusmgLagrangeequationanalysis

7、ofsystemMeanwhile，weanalyzemenonlillearV1bratlon8ofthe觚ovibrationmodes；getthesteadystatesolutionbythemetllodofenergyt1nally，t11e抒equencyresponsecurvesofdoubleandtripleresonanceshavebeenacqu砌Andthetransientprocesscurvegot

8、tenisverification，aswellastheeffectsofelec仃omagnericdampingandelectromagneticforcetothetripleresonanceKeywords：generat。r；stat。randrotorc。upling；缸ndamentalres。nance：elec仃omagIleticma911eticpotential；doubleresonance；tnpler