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自动化学报 2005
模式转换未知的一类混杂系统的状态估计, PP. 451-458 Keywords: Hybridsystems,hybridstateestimate,hybridstrongtrackingfilter Abstract: ？Sincethestateofhybridsystemsisdeterminedbyinteractingcontinuousanddiscretedynamics,thestateestimationofhybridsystemsbecomesachallengingproblem.Itismorecomplicatedwhenthediscretemodetransitioninformationisnotavailable,andthemodesofhybridsystemsarenonlinearstochasticdynamicsystems.Toaddressthisproblem,thispaperproposesanovelhybridstrongtrackingfilter(HSTF)forstateestimationofaclassofhybridnonlinearstochasticsystemswithunknownmodetransition,themethodfordesigningHSTFispresented.TheHSTFcanestimatethecontinuousstateanddiscretemodeaccuratelywithunknownmodetransitioninformation,andtheestimationofhybridstatesisrobustagainsttheinitialstate.Simulationresultsillustratetheeffectivenessoftheproposedapproach.
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