DC-DC變換器的混雜系統(tǒng)建模與控制.pdf

1、聲明本學(xué)位論文是我在導(dǎo)師的指導(dǎo)下取得的研究成果，盡我所知，在本學(xué)位論文中，除了加以標(biāo)注和致謝的部分外，不包含其他人已經(jīng)發(fā)表或公布過的研究成果，也不包含我為獲得任何教育機(jī)構(gòu)的學(xué)位或?qū)W歷而使用過的材料。與我一同工作的同事對本學(xué)位論文做出的貢獻(xiàn)均已在論文中作了明確的說明。研究生簽名：學(xué)位論文使用授權(quán)聲明南京理工大學(xué)有權(quán)保存本學(xué)位論文的電子和紙質(zhì)文檔，可以借閱或上網(wǎng)公布本學(xué)位論文的部分或全部內(nèi)容，可以向有關(guān)部門或機(jī)構(gòu)送交并授權(quán)其保存、借閱或上網(wǎng)

2、公布本學(xué)位論文的部分或全部內(nèi)容。對于保密論文，按保密的有關(guān)規(guī)定和程序處理。研究生簽名：拘圈如侈年3月諺日碩士論文AbstractDCDCconvertersaretimevariablenonlinearsystemsandtheclassicaltheoryiSnotsuitabletoanalyzeandcontrolthesesystems，thecomplexityofmodelingandcontrolforthemaffec

3、tsthede印researchandapplicationofthemTherefore，simplifyingthemodelingprocessandcontrolofDCDCconvertershasimportanttheoreticalandengineeringvalueintheiranalysis，designandapplicationInthispaperDCDCconvertersareconsideredasa

4、kindhybriddynamicsystemcombinedcontinuousstatevariablewithdiscreteswitchedvariabletogetherwhichiscalledswitchedlinearsystemTherefore，theproblemofhybridmodelingandcontroldesignforDCDCconverterwhichisbasedonhybridsystemthe

5、oryandlinearmatrixinequalities(LMIs)methodisinvestigatedinthedissertation，nlemaincontributionsareasfollows：FirstlyaccordingtotopologiesandoperationprincipleofDCDCconverters，theidealstateDCDCconverterswitchedlinearsystemm

6、odelarebuiltwinlfourbasicDCDCconverterasexample，andtheswitchedlinearsystemmodeltransformintoerrortrackingsystemmodelSotheproblembecomefindingaswitchingrulewhichCanmakethestateofthesystemisfinallyconvergestoadesired“switc

7、hedequilibrium’Then，basedontheerrortrackingsystemmodelandusingtheLyapunovstabilitytheorydirectlythecontrolstrategyfortheconvertersystemisgivenFinallytheresultprovedthefinalerrortrackingsystemisstabilizableandthesystemhas

8、goodoutputregulationperformanceSecondlytheDC—DCconverterswitchinglinearsystemmodelwithparasiticparametersanduncertainparametersarebuilt，andthentheswitchingsystemmodeltransformintoerrortrackingsystemmodelwithuncertainties

9、Usingswitchinglinearsystemtheoryonthisbasis，therobustcontroldesignfortheerrortrackingsystemmodel誦muncertaintiesisdiscussed，andthedesignCanmakesurethesystemhasgooddynamicperformanceIntheending，DCDCconverterwithuncertainpa

10、rametersanddisturbancemodeledasswitched撒IlelinearsystemismainlydiscussedThentheswitchingsystemmodeltransformintoerrortrackingsystemmodel嘶muncertainparametersanddisturbanceOnthisbasis，considerHoomodelperformanceanalysis，a

11、methodfordesigningaswitchingrulesuchthatthesystemisasymptoticallystabilizable誦m也disturbanceattenuationlevelyispresentedKeywords：DCDCconverterswitchedsystems，errortrackingsystem，uncertainparameters，robustcontrol，LMIs，Lyap