第46卷第3期2023年6月电子器件ChineseJournalofElectronDevicesVol.46No.3June2023收稿日期:2022-03-10修改日期:2022-04-26DesignofVariableUniverseFuzzyPIVehiclePowerSupplySystemBasedonSingleChipMicrocomputerZHANGYong,NINGWu∗,MENGLinan,PANGHengli,ZHENYutong(SchoolofelectronicandInformationEngineeringLiaoningUniversityofTechnology,JinzhouLiaoning121001,China)Abstract:Inviewofthelowefficiencyoftheexistingvehiclepowersupplysystemofandlargeamountofovershoot,longresponsetime,andpooranti⁃jammingperformanceoftheconventionalPIcontrolstrategy,avariableuniversefuzzyPIpowersupplysystembasedonsin⁃glechipmicrocomputerisputforward.Withtheadoptionoftheproposedsystem,thelowvoltagedirectcurrentcanbeprocessedbytheDC-DCboostercircuitandtheDC-ACconvertcircuit,theoutputACvoltagecanactasthepowrsupplyforsmallelectricalappliances,andthereal⁃timeandon⁃lineadjustmentofthePIparameterscanberealizedthroughthevariableuniversefuzzycontrolstrategy,soastomeettheperformancerequirementsbest.Theexperimentalresultsshowthatthesystemhastheadvantage...