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1、778IEEETRANSACTIONSONINDUSTRIALELECTRONICS,VOL.56,NO.3,MARCH2009BoostConverterControllerDesignUsingQueen-Bee-AssistedGAKinattingalSundareswaran,Member,IEEE,andV.T.SreedeviAbstract—Weproposeanewmethodofcontrollerdesignforinahiveisperceivedassurvivaloffittestandisusedforaboostconverterinthispa
2、per.AnoptimizationmodelfortheperformanceenhancementofastandardGA.Themodifiedcontrollerdesignisdeveloped,andsolutionissoughtthroughaalgorithmlabeledasBeesGAinthispaperisthentailorednoveloptimizationalgorithmwhichcombinesstandardGenetictosuitfeedbackcontrollerdesignofaboostconverter.TheAlgorit
3、hm(GA)withevolutionofaqueenbeeinahive.Computedandmeasuredresultssuggestthatthenewalgorithmconvergestolarge-signalmodelofaboostconverterisemployedtoevaluatethebestdesignsonalimitednumberofiterations.theobjectivefunctiontoachievearobustcontrollerstructure.Thenewmethodologyisverifiedthroughcomp
4、utedandIndexTerms—Boostconverter,optimization,queenbee.measuredresults.Furthermore,thenewpropositionisshowntobesuperiortoastandardGA.I.INTRODUCTIONOOSTconvertersprovideanoutputvoltagehigherthanII.FORMULATIONOFTHEPROBLEMBtheinputvoltageandareincreasinglyemployedasfront-A.ModelingofBoostConve
5、rterendconvertersforbatterysources,photovoltaicsolarsystems,andfuelcells[1],[2].WhenboostconverterisemployedAclosed-loopboostconverterusingaMOSFETasaswitch-inopenloopmode,itexhibitspoorvoltageregulationandingelementisshownintheFig.1.Thespecificationsoftheunsatisfactorydynamicresponse,andhenc
6、e,thisconverterisconverterconsideredinthispaperarethefollowing:inputgenerallyprovidedwithclosedloopcontrolforoutputvoltagevoltage,Vin=36V;switchingfrequency,fs=2kHz;induc-regulation.ThemodeofoperationoftheconvertervariesfromtanceL=33mH;equivalentresistanceoftheinductor,rL=ONtoOFFstateofthep
7、owerswitchandtraditionallysmall3Ω;capacitance,C=1000μF;equivalentresistanceofthesignallinearizationtechniqueshavelargelybeenemployedforcapacitor,rc=0.5Ω,andloadresistance,RL=100Ω.controllerdesign.However,boostconverterisanonminimumInthefeedbackcontrolsys
