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In this paper, a robust actuator fault tolerant control (FTC) strategy for systems with polytopic uncertainty is proposed. Two types of model descriptions are investigated in this work: convex polytopic model uncertainty and linear-parameter-varying (LPV) convex polytopic model uncertainty; where, in the latter, the varying parameter is assumed to be measured. The proposed FTC strategy combines a...
This paper is concerned with linear parameter varying (LPV) fault tolerant control (FTC) systems reconfigured using virtual actuators. Most works dealing with FTC of LPV systems in general, and in particular using virtual actuators, assume perfect knowledge of the ‘varying parameter’ of the LPV system description at all times. In this paper, for LPV systems with convex polytopic modelling description,...
In this paper, a robust sensor fault tolerant control strategy for systems with convex polytopic model uncertainty is proposed. The strategy combines a robust fault detection and identification (FDI) unit based on an invariant-set approach with controller reconfiguration based on the use of a virtual sensor. The robust FDI unit employs a bank of observers that can detect faulty and healthy situations...
In this paper, a fault tolerant control strategy, which combines a fault detection and identification (FDI) method based on an invariant-set approach with controller reconfiguration based on the use of a virtual sensor, is implemented on a magnetic levitation (MAGLEV) system. The MAGLEV system includes two sensors which, together with a nominal observer-based feedback controller with integral action,...
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