Journal Article

The fault detection problem in nonlinear systems using residual generators

R. Martínez-Guerra, R. Garrido and A. Osorio-Miron

in IMA Journal of Mathematical Control and Information

Published on behalf of Institute of Mathematics and its Applications

Volume 22, issue 2, pages 119-136
Published in print June 2005 | ISSN: 0265-0754
Published online June 2005 | e-ISSN: 1471-6887 | DOI: http://dx.doi.org/10.1093/imamci/dni010
The fault detection problem in nonlinear systems using residual generators

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In this work we study the fault detection problem using residual generators based upon high gain nonlinear observers in a differential algebraic framework. We analyse the stability of the residual generator when a fault occurs. We also consider two faults types: constant and time-varying faults. It is shown that under some mild conditions over the aforementioned faults the residual is different from zero.

Keywords: fault detection problem; residual generator; differential algebra

Journal Article.  0 words. 

Subjects: Mathematics

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