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1、PowerSystemDesign,Analysis,andPowerElectronicsImplementationonGenericNanosatelliteBus(GNB)SpacecraftbyGrantRaymondRobertBoninAthesissubmittedinconformitywiththerequirementsforthedegreeofMasterofAppliedScienceGraduateDepartmentofAerospaceScienceandEngineeringUniversityofTo
2、rontoCopyright©2009byGrantRaymondRobertBoninAbstractPowerSystemDesign,Analysis,andPowerElectronicsImplementationonGenericNanosatelliteBus(GNB)SpacecraftGrantRaymondRobertBoninMasterofAppliedScienceGraduateDepartmentofAerospaceScienceandEngineeringUniversityofToronto2009Th
3、edevelopmentofamulti-missionsmallspacecraftpowersystemisdescribed.ThissystemhasbeendesignedfortheUniversityofTorontoSpaceFlightLaboratoryGenericNanosatelliteBus(GNB),anapproximately20cmcubicalspacecraftwithnodeployedsolararrays.TheGNBisinherentlypower-generationlimited,an
4、dconsequently,allavailablepowermustbeutilizedwithmaximumeciency.Thiseciencyisachievedusinganunconventionalparallel-regulatedarchitecturewithPeakPowerTracking(PPT)functionality,andisshowntobethePPTdesignofhighesteciencyforspacecraftofthisclass.Insupportofthisdesign,anov
5、elspacecraftpowersimulationsuitehasbeendeveloped,enablingparametricsatellitepoweranalysiswithhigh delity.Finally,auniquevariationonpeakpowertracking
6、referredtoaspeakcurrenttracking
7、isdescribed.Thismethodisshowntoreducebatterydepth-of-dischargebyasmuchas20%overbaselinearch
8、itectures,andfurthermoreexhibitsbene cialemergentbehaviourforbatterychargemanagement.iiDedicationForMomandRuss,themostsupportivefamilyapersoncouldhave;forAleisha,mylove,inspirationandsupport;andforDad,whohasneverleftmythoughts.Iwishyouwerehere,andIhopeyouwouldbeproud.Youa
9、reallmorelovedthanIcouldeverexpress.Nonestadastramolliseterrisvia.iiiAcknowledgmentsFirstandforemost,IhavetothankDr.RobertE.Zee.Ifeelprivilegedandproudtobeoneofthefewwhogetachancetodothis.YounotonlycreatedSFLandpickedmetostudyhere,butyou'vealsomentoredmeasasystemsengineer
10、,helpedmefeelcapableofachievinggreatthings,andultimatelydecidedtokeepmearound.Moreover,yourcando
