帶飽和不確定系統(tǒng)的穩(wěn)定性分析與設(shè)計.pdf

1、東北大學(xué)碩士學(xué)位論文帶飽和不確定系統(tǒng)的穩(wěn)定性分析與設(shè)計姓名：盧平平申請學(xué)位級別：碩士專業(yè)：導(dǎo)航、制導(dǎo)與控制指導(dǎo)教師：趙軍20061201東北大學(xué)碩士學(xué)位論文AbstractStabilityAnalysisandDesignforSystemswithUncertaintyandSaturationAbstractAuniversalcharacterofactuatorissaturationincontrolsystemGenera

2、llyallrealworldcontrolsystemsmustdealwithconstraints，especiallytheinputconstraintsInputconstraintsexistinvariousphysicalsystems，suchaschemicalplants，mechanicalsystems，andovencommunicalionnetworksMoreoftenthannottheocculT

3、enceofactuatorsaturationcarlgreatlydeterioratetheperformanceofthesystems，andevendrivethesystemstobeunstableOntheotherhand，therequirementofthesystems’performanceishigherandhigherinthefieldsofAstronauticsandAeronauticsnowi

4、ncludinghowtodealwiththecasewhentherehasinputconstraintsinthecontrolsystemsThereforethestudyofrobuststabilityanalysisofuncertainsystemswithactuatorsaturationhasimportantpracticalvalueandtheoreticalmeaningsBasedonLyapunov

5、stabilitytheoryandlinearmatrixinequalitytechnique，therobuststabilityanalysisanddesignproblemsforsystemswitllpolytopicorintervaltypeuncertaintiesandactuatorsaturationarestudiedinthisthesisThemaincontentsofthispaperareoutl

6、inedasfollows(1)ThestabilityanalysisandgainschedulingdesignforpolytopictypeunoeltaintiessystemswithsaturatingactuatorsisaddressedConsideringthatalineardynamicoutputfeedbackhasbeendesignedtostabilizethelinearsystem(withou

7、tsaturation)，byaddingananti—winduptermtothecontrollertheclosedloopsystemobtainedfromthecontrollerplustheantiwindupgaincanbemodeledbyalinearsystemwithadeadzonenonlinearityBasednoadescriptorsystemapproach，obtainedthestabil

8、ityconditioninlinearmatrixinequalityformThenagainschedulingcontrollerhasbeendesignedwhentheopenloopsystemisstable(2)Theproblemofanti—windupdesignwithguaranteedregionsofstabilityforsystemswithintervaltypeuncertaintiesisad