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Title: Fault tolerant control with indentified models: an experimental study
Keywords: Fault Diagnosis
Fault Tolerance
Process Control
State-Space Methods
Temperature Control
Issue Date: 2004
Publisher: IEEE
Citation: Proceedings of the International Conference on Intelligent Sensing and Information Processing, Chennai, India, 4-7 January 2004, 460-465
Abstract: Experimental evaluation of the active fault tolerant control scheme developed with state space models (innovations form) identified purely from input-output data is carried out in the present work. A key problem in fault diagnosis with identified models is the isolation of abrupt changes in unmeasured disturbances. A novel approach was developed to model and isolate such changes (classified as unknown input fault) with identified models. Simulation results for a heavy oil fractionator process (Shell Control Workshop challenge problem) was demonstrated. The efficacy of the developed FDI method and the fault tolerant control strategy were demonstrated. The present work experimentally evaluates the developed scheme on a laboratory scale two tank temperature control system for a variety of faults.
URI: 10.1109/ICISIP.2004.1287701
ISBN: 0-7803-8243-9
Appears in Collections:Proceedings papers

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