|
|
自动化学报 2006
受约束时滞系统的抗饱和补偿器增益设计, PP. 1-8 Keywords: Actuatorsaturation,time-delaysystems,compensationgain,Lyapunov-Krasovskiifunction Abstract: ？Systemsthataresubjecttobothtime-delayinstateandinputsaturationareconsidered.Wesynthesizetheanti-windupgaintoenlargetheestimationofdomainofattractionwhileguaran-teeingthestabilityoftheclosed-loopsystem.Anellipsoidandapolyhedralsetareusedtoboundthestateofthesystem,whichmakeanewsectorconditionvalid.Otherthananiterativealgorithm,adirectdesigningalgorithmisderivedtocomputetheanti-windupcompensatorgain,whichreducestheconservatismgreatly.Weanalyzethedelay-independentanddelay-dependentcases,respectively.Finally,anoptimizationalgorithmintheformofLMIsisconstructedtocomputethecompensatorgainwhichmaximizestheestimationofdomainofattraction.Numericalexamplesarepresentedtodemonstratetheeffectivenessofourapproach.
|
