dcdc變換器的模糊控制方法研究

1、江南大學碩士學位論文DCDC變換器的模糊控制方法研究姓名：夏順貴申請學位級別：碩士專業(yè)：控制工程指導教師：紀志成孫小平20080601一AbstractAbStraCtDC_DCconVertermodelinganalysisisthebasisofresearchingswitchingpowersupplyaJlditisof黟eatimponanceinanalySisanddesi印ofswitchingpowersupply

2、Sothispaperanalysisthemodeling0fDCDCconverter，andthemodelingcontdbutestotheimpmv鋤emfortheperfo冊anceande銜ciencyofswitchingpowersupply：0nthebaseofanalysisingthepresentand如tureofDCDCmodeling，astatespacemodelingmethodbasedon

3、thenon—idealconverterisreferredtoThkingtllenonidealBuckconverterandBuckBoostconvertefasexamples，weelaboratedonthemodelingprocessofthecontinuouscurrentmode(CCM)a11ddiscontinuouscurrentmode(DCM)，andestablishedthestateequat

4、ionoftheconvertersIncontrolmethods，thisp印er6rstreferStoTSfhzzyconn01BasedonmenonlinearcharacteristicandstateequationofBuckBoostconverter’thispaperconstmctstheTS如zzymodelrespe“VelybothinCCMandinDCMCombiningwithmefinep小一li

5、nearcharacteristicofTSmzzymodel，ineachofthelocallinearmodel，AdoptingPDCcontrolscheme，amzzycontrollerisdesignedViaCQLFmethodThenitobtainsthecontrollerpar鋤etersbyusingLMImemodaJldcomparesthesimulationresultswithPIcontr01Aj

6、Fterthat，Basedonthenonlinearcharacteristic，accordingtotheestablishedstateequationoftheBoostconvener，thispaperconstmctstheTS向zzymodeloftheBoostconverterrespectivelybothinCCMandinDCMInDCM，thestateequationofthecircuitisapie

7、cewisemnction：thisp印erintroducesaswitchingmnctiont0inte伊atethesub—stateequationintoastateequationAdjustthepar鋤etersoftheswitch如nction，仃ansfornlingthestateequationinDCMintothefonIlinCCM，soitunifiesthestateequationaJldT_S向

8、zzymodelOftheBoostconvenerbothinCCMandinDCMCombiningwiththefinepan—linearcharacteristicofTS如zzymodel，ineachofthelocallinearmodel，AdoptingPDCcontrolscheme，itdesignstheBoostconverter’sconn011erviaCQLFmethodandobtainsthecon

9、trollerpar鋤etersbyusingLMImethodSimulationresultsshowthat，TS向zzymodelwhichbasedonBoostconvenerisreliable，andthemzzvcontmllerviaTS如zzymodelhasbettere仃ectsofstabilityandi舢munitytodisturballcebycomp撕ngwithPIcontl01Keywords：