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1、rd20093InternationalConferenceonPowerElectronicsSystemsandApplicationsTheResearchonApplicationofVariableUniverseFuzzyControltoMaximumPowerPointTrackingSystem1,21,21,2Zi-JuanYANGYuan-RuiCHENJian-MingHU1.ElectricPowerCollege,SouthChinaUniversityofTechnology,Guangzhou,Guangdong2.GuangDongkeylaborato
2、ryofcleanenergytechnology,510640GuangzhouChina.E-mail:zijyang2010@yahoo.cnAbstract-Solarenergyisconsideredtobetheworld'smostfuzzycontrol[5]arebasedontheartificialintelligence.promisingnewenergytechnologies.HowtofindthebestModerncontrolsystemishighlycomplex,whenitiscontrolstrategytomaximizetheadva
3、ntagesofphotovoltaicdifficulttoaccuratelydeterminethemathematicalmodelsystemwillgreatlypromotethedevelopmentofphotovoltaicofacontrolobject,orthestateoftheinformationtechnology.Thevariableuniversefuzzycontrolisappliedtoobtainedfromobjectisextremelyvagueandlacking,thethemaximumpowerpointtracking(MP
4、PT)controlinthistraditionalcontrolstrategyisoftendifficulttomeetthepaper.Thevariableuniversefuzzycontrolisdifferentfromtheconventionalfuzzycontrol.Ithasasuperiorfeatureoversystemdynamicandstaticcharacteristicsheightthelatter.Inordertoincreasetheprecisionofcontrol,werequirements,fuzzylogichasbecom
5、eapowerfultoolmustsignificantlyincreasethenumberoffuzzypartition,[6].Asthenon-linearcharacteristics,theoutputpoweroftherebyincreasingtheconventionalfuzzycontrolrulethatPVsystemvarieswiththeworkingconditions.Inordertohaveagreaterimpactontheoutputoffuzzycontroller.obtainbettercontrolofmaximumpowerp
6、ointtrackingHowever,anincreaseinthenumberoffuzzysubsetwillresults,itwilladjustMPPTcircuitdisturbancestepbasedincreasethedifficultyofthecontrollerdesign.Whilevariableontheexternalenvironment.Fuzzycontrolundoubtedlyuniversefuzzycontrolcanmakeuseofthedomainofhastheadvantageintheexistingcontrolmethod
7、s[7].contractionsoastoachievethesamecontrolastoincreaseHowever,therearestillproblems,suchasnothighthefuzzysubset.Theerroranderrorrateofchangeareselectedasavariableuniversefuzzycontrolofthetwoinputaccuracy,alimitedabili
