帶大慣量負(fù)載的空間驅(qū)動機(jī)構(gòu)運(yùn)動特性分析.pdf

1、南京航空航天大學(xué)碩士學(xué)位論文帶大慣量負(fù)載的空間驅(qū)動機(jī)構(gòu)運(yùn)動特性分析姓名：龐微申請學(xué)位級別：碩士專業(yè)：航空宇航制造工程指導(dǎo)教師：陳文亮20090101帶大慣量負(fù)載的空間驅(qū)動機(jī)構(gòu)運(yùn)動特性分析iiAbstractSpacedrivingmechanismisaveryimptantpartofspacecraftmechanism.WiththedevelopmentofChinesespacecrafttechnologytheresear

2、chingofdesignmethodengineeringproblemisexpingmemespacedrivingmechanismswithhighinertialoadhavebeenusedsuchaslargeantennaslargesolararraylargemechanicalarmssoon.Highinertiabringsnewproblemschallengestothespacecraftdesigni

3、ncludingreliabilitysecuritythelife.Therefeitisessentialtodothemotionacteristicresearchofthespacedrivingmechanismwithhighinertiaload.Aimingatonetypeofthesolarpanelthepaperstudiestheinfluenceofhighinertialoaddowiththedrivi

4、ngmechanismwhichgivestheeffectivereferenceftheoptimizeddesign.Firstlytheloadacteristicfthesolararraydrivesmechanisminspaceenvironmentisconsideredthemodelofthedrivemechanisminhighinertiaconditionisgiven.Secondlytheintegra

5、ted3Dmodelofthesolararraydrivemechanismisdeveloped.ThetquecurvesundereachwksituationaregivenbyADAMStheinfluenceofthemotionacteristicofrigidsolararraytothedrivingmechanismisanalyzed.Consideringtheflexchangeofthesolararray

6、thepapergivesthemodalanalysisfthesolararraygetthefrequencyeigenvectofvibrationbyANSYS.FinallytherigidflexmodelisdevelopedbyADAMS.Thepaperalsosimulatestheloadtquecurvesundereachwksituationcomparewiththeresultsoftherigidmo

7、del.Finallytheharmonicfrequencyofthesystemisstudied.Comparingtherigidrigidflexmodeltheresultsoftherigidflexmodelturnouttobemeaccuratetheharmonicfrequencyofthesystemcanbechangedbythetsionstrain.Keywds：HighinertiaDrivingme