Analytical redundancy relations for fault detection and isolation in algebraic dynamic systems

Authors:
M. Staroswiecki;G. Comtet-Varga
Affiliations:
LAIL-CNRS UPRESA 8021, EUDIL, Université des Sciences et Technologies de Lille, 59655 Villeneuve d'Ascq Cedex, France;LAIL-CNRS UPRESA 8021, EUDIL, Université des Sciences et Technologies de Lille, 59655 Villeneuve d'Ascq Cedex, France
Venue:
Automatica (Journal of IFAC)
Year:
2001

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Abstract

This paper extends the analytical redundancy techniques, well developed for linear systems, to FDI in non-linear dynamic systems modeled by polynomial differential algebraic equations. The residual evaluation form is developed for sensor, actuator and process component faults. Fault detectability and isolability conditions are given, and the design of robust structured residuals is addressed.