智能控制移相全桥软开关电源的研究-电工理论与新技术专业论文.docx

东北大学硕士学位论文AbstfsetRe5earchofPhaseshiftingFullBridgeSoftSwitchingPowerSuPPlyusingIntelligentControlMethodAbstractSwithingPowersuPPly15theneeessaryeleetriealequiPm entinresearehandindustrialaPPlieations.InthemiddleorhighPowersealeaPPlieations，thePhaseShiftingFullBridge(PSFB)softswiehingPowersuPPly15PoPularforitsrelativelittleenergy1055，higheffieience and low interferenee ehar aeter’InthisPaPer，the imProvem entofPSFBsoftsw itehing D C一D C eonverterhasbeen diseussed，and theintelenganeeeonirolling m ethod oftheim Provem enteircuithasb een fullyresearched.AeeordingtotheefficeneyProblemsofthetraditionalP SFBeireuitasdutyeyele1055andreetifierresonanioseillatingPhenomenon，animProvement15ProPosed whieh addsa snnoberand a elamPing diode in the auxiliary Partthatrequires fewereaPaeities andinductaneeinthesamesealeofriPPles.IntheeontrastofotherimProvem enis，theProPosedoneoffersm oreeffieeneyand low ercost，and ean beProved viasim ulation sinthisPaPer.Forthenonlinearityand thediseretenessoftheim Proved eireuit，theeontrolm ethodhastobeimProved.InthisPaPer，usingUnionRuleConfiguration(URC)fuzzytheoryinsteadofInterseetionRuleConfiguration(IRC)，animProvenment15ProPosedtoinereasetheoPerationsPeedanddeereasethesoftrequirem entatthesam etime.Intheeom ParasionoftheProPosedargorithm ，commonPID andthePoPularfuzzyPID selfadaPtingargoritlun，theeom m ononestabilizesslower，hasm oreovershoot，buteasytorealize，andthePoPularonestabilizesfaster，haslessovershoot，buthardtob eaPPlieatedinembed ded system ，andthe ProPosed one w ins in every asPeetthatean be Proved by sim ulating eom Parisonillustrated inthisPaPer.Atlast，thewh olesystem 15designed indetailineludingPSF B m ainborad，DSPm inisystem with URC fuzzy PID argorithm ，isolated M O SF ET driverM AX4428，ACEM I一reetifier-filterm odule，signalsam Pling and assem bling m odule，and assistantPowerm odule.TheProPosed designation balaneesthe eost，sPeed，effieeney，and robustuess.K eyw ords:PSFB:SoftswithingPowersuPPly:Fuzzy PID ;