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Application of Interval Observers and HOSM Differentiators for Fault Detection

Abstract : This work is devoted to the design of interval observers for a class of Linear-Parameter-Varying (LPV) systems. Applying High Order Sliding Mode (HOSM) techniques it is possible to decrease the initial level of uncertainty in the system, which leads to improvement of set-membership estimates generated by an interval observer and enlarges the class of the estimated systems. Next, this approach is applied to fault detection by verifying the consistency between the output trajectory and its estimated domain. The efficiency of the proposed approach is demonstrated through computer simulations of an electromechanical system.
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Contributor : Denis Efimov Connect in order to contact the contributor
Submitted on : Friday, May 25, 2012 - 5:25:08 PM
Last modification on : Tuesday, December 6, 2022 - 12:42:13 PM
Long-term archiving on: : Sunday, August 26, 2012 - 3:05:16 AM


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  • HAL Id : hal-00701650, version 1


Denis Efimov, Leonid Fridman, Tarek Raissi, Ali Zolghadri, Ramatou Seydou. Application of Interval Observers and HOSM Differentiators for Fault Detection. 8th International Federation of Automatic Control (IFAC) Symposium SAFEPROCESS-2012, Aug 2012, Mexico, Mexico. ⟨hal-00701650⟩



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