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自动化学报 2007
输入约束系统的滚动时域输出反馈控制方法研究DOI: 10.1360/aas-007-1176, PP. 1176-1181 Keywords: Constrainedsystems,H∞performance,outputfeedback,LMIoptimization,movinghorizoncontrol Abstract: ?ThispaperaddressestheH∞outputfeedbackcontrolproblemfordiscrete-timesystemswithactuatorsaturation.Initially,aconstrainedH∞outputfeedbackcontrolapproachispresentedintheframeworkoflinearmatrixinequalities(LMI)optimization.Undercertainassumptionsonthedisturbanceenergybound,closed-loopH∞performanceisachieved.Furthermore,themovinghorizonstrategyisappliedtoanonlinemanagementofthecontrolperformancesothattheclosed-loopsystemcansatisfycontrolconstraintsinthecaseofunexpectedlargedisturbances.Adissipationconstraintisderivedtoachievethemovinghorizonclosed-loopsystemdissipative.SimulationresultsshowthattheconstrainedH∞controllerworkseffectivelyunderthedisturbanceassumptionandthatthemovinghorizonH∞controllercantrade-offautomaticallybetweensatisfyingcontrolconstraintsandenhancingperformance.
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