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Sensor fault tolerant control using sliding mode observers

By Christopher Edwards and Chee Pin Tan

Abstract

Metadata only entryPrevious work has considered the use of sliding mode observers for fault detection and isolation (FDI) in uncertain linear systems whereby the unknown faults are reconstructed by appropriate processing of the so-called equivalent output error injection. The paper builds on this work and considers such a scheme within the broader context of fault tolerant control. Specifically, by correcting the faulty measurement by an estimate of the fault obtained from the sliding mode FDI scheme, good closed-loop performance is still maintained. An example of such a scheme, which has been implemented in real-time on a laboratory dc motor rig, is described

Topics: Fault tolerant control, Fault detection and isolation, Sliding modes, Observers
Publisher: Elsevier
Year: 2005
DOI identifier: 10.1016/j.conengprac.2005.05.002
OAI identifier: oai:lra.le.ac.uk:2381/9821
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