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自动化学报 2007
具有传输时延的网络控制系统故障估计与调节DOI: 10.1360/aas-007-0738, PP. 738-743 Keywords: Faultestimation,faulttolerantcontrol,networkedcontrolsystems,transferdelay,modeluncertainties,slidingmodecontrol Abstract: ？Inthispaper,amethodoffaultestimationandfaulttolerantcontrolfornetworkedcontrolsystem(NCS)withtransferdelayandprocessnoiseispresented.First,thenetworkedcontrolsystemismodeledasamultiple-input-multiple-output(MIMO)discrete-timesystemwithtransferdelays,processnoise,andmodeluncertainties.Underthismodelandundersomeconditions,afaultestimationmethodisproposedtoestimatethesystemfaults.Onthebasisoftheinformationonfaultestimationandtheslidingmodecontroltheory,afaulttolerantcontrollerisdesignedtorecoverthesystemperformance.Finally,simulationresultsareusedtoverifytheefficiencyofthemethod.
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