基于滑模變結構控制的磁懸浮球?qū)崟r控制系統(tǒng)的研究.pdf

1、南京航空航天大學碩士學位論文基于滑模變結構控制的磁懸浮球?qū)崟r控制系統(tǒng)的研究姓名：石海燕申請學位級別：碩士專業(yè)：控制理論與控制工程指導教師：劉春生20090101基于滑模變結構控制的磁懸浮球?qū)崟r控制系統(tǒng)的研究iiAbstractThemagiclevitationsystem(maglev)isacomplexnonlinearnaturallyunstablesystem.Theresearchonsuchsysteminvolvesc

2、ontroltheyelectromagismelectricelectronictechnologycomputersciencesoon.Thecontroller’sperfmancedirectlyinfluencesthewideapplicationsofthemagiclevitationtechnology.Theslidingmodevariablestructurecontrolcatchesmanyresearch

3、ers’attentionsextensivelybecauseithasdistinctidealrobustnessholdstheinvariancefthechangeofsystemparametersoutsidedisturbanceuncertaintyofthesystemthealgithmisverysimple.Thispaperstudiesthesingledegreeoffreedommaglevballs

4、ystemwiththeslidingmodecontrolarithmeticthedigitalcontrolofthesystemisachievedfinally.Firstofallthispaperestablishesthesystem’slinearizationmodelnonlinearmodelbasedonanalysisofprincipleofsystem.thenthebasicprincipledesig

5、nstepsoftheslidingmodevariablestructurecontrolarithmeticareintroduced.ThebestslidingmodecontrollerisgainedafterthestimulationsinMATLAB.Theresultsindicatesystemcangetmuchbetterdynamicperfmanceswiththeslidingmodecontroller

6、comparedwiththetraditionalPIDcontroller.Inadditionindertoresolvethechatteringproblemafuzzyslidingmodecontrollerbasedontheequivalentcontrolisdesigned.Theresultsindicatethecontrollercanbothreducethechatteringensuretherealt

7、imeidentitycomparedwiththeothermethods.Furthermethispaperattemptstoresearchthestabilityarrivaltimeofthenonlinearmaglevsystemwiththeglobalfastterminalslidingmodecontrolarithmeticwhichisbasedonthenonlinearslidingmodesurfac

8、e.Theresultsindicatethesystemstatescanreachtheblatantstatesrapidlyaccuratelywithinalimitedtimeunderthiscontrolalgithm.thechatteringcanbealmosteliminated.FinallythewkingprincipleofRTWintheMATLABisintroduced.therealtimedat