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自动化学报 2005
含有跳跃参数的广义时滞不确定系统的鲁棒保性能观测器设计, PP. 479-483 Keywords: Descriptorsystems,Markovianjumpingparameters,guaranteedcostobservers,linearmatrixinequalities,time-delaysystems Abstract: ？Thispaperinvestigatesthedesignofrobustguaranteedcostobserverforaclassoflineardescriptortime-delaysystemswithjumpingparameters.Thesystemunderstudyinvolvestimedelays,jumpingparametersanduncertainties.Thetransitionofthejumpingparametersinsystemsisgovernedbyafinite-stateMarkovprocess.Theobjectiveistodesignlinearmemorylessobserverssuchthatforalluncertainties,theresultingaugmentedsystemisregular,impulsefree,robuststochasticallystableindependentofdelaysandsatisfiestheproposedguaranteedcostperformance.Basedonstabilitytheoryinstochasticdifferentialequations,asufficientconditionontheexistenceofrobustguaranteedcostobserversisderived.Robustguaranteedcostobserversaredesignedintermsoflinearmatrixinequalities.AconvexoptimizationproblemwithLMIconstraintsisformulatedtodesignthesuboptimalguaranteedcostfilters.
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