Research Papers

Set Adaptive Observers for Linear Parameter-Varying Systems: Application to Fault Detection

[+] Author and Article Information
Denis Efimov

Non-A project at INRIA - LNE,
Parc Scientifique de la Haute Borne,
40 avenue Halley, Bât.A Park Plaza,
Villeneuve d'Ascq 59650, France
e-mail: Denis.Efimov@inria.fr

Tarek Raïssi

Conservatoire National des Arts et Métiers,
Département EASY, Cedric – laetitia,
292, Rue St-Martin, case 2D2P10,
75141 Paris Cedex 03, France
e-mail: Tarek.Raıssi@cnam.fr

Ali Zolghadri

University of Bordeaux,
IMS-lab, Automatic control group,
351 cours de la libération,
Talence 33405, France
e-mail: Ali.Zolghadri@ims-bordeaux.fr

Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received May 7, 2012; final manuscript received July 11, 2013; published online December 2, 2013. Assoc. Editor: John B. Ferris.

J. Dyn. Sys., Meas., Control 136(2), 021006 (Dec 02, 2013) (7 pages) Paper No: DS-12-1132; doi: 10.1115/1.4025797 History: Received May 07, 2012; Revised July 11, 2013

This paper deals with the problem of joint state and parameter estimation based on a set adaptive observer design. The problem is formulated and solved for an LPV (linear parameter-varying) system. The resolution methodology avoids the exponential complexity obstruction usually encountered in the set-membership parameter estimation. A simulation example is presented to illustrate the efficiency of the proposed approach.

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Grahic Jump Location
Fig. 1

The structure scheme of the system (19)

Grahic Jump Location
Fig. 2

Simulation results with noise: output y and its reference yd ((a) and (b)); θ⌢o for o∈{m,M} ((c) and (d)); fault-indicating signals s and d ((e) and (g))




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