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Delay-dependent fault estimation for uncertain time-delay nonlinear systems: an LMI approach

✍ Scribed by Sing Kiong Nguang; Peng Shi; Steven Ding

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
238 KB
Volume
16
Category
Article
ISSN
1049-8923

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✦ Synopsis

Abstract

This paper deals with the problem of robust fault estimation for uncertain time‐delay Takagi–Sugeno (TS) fuzzy models. The aim of this study is to design a delay‐dependent fault estimator ensuring a prescribed ℋ︁~∞~ performance level for the fault estimation error, irrespective of the uncertainties and the time delays. Sufficient conditions for the existence of a robust fault estimator are given in terms of linear matrix inequalities (LMIs). Membership functions' (MFs) characteristics are incorporated into the fault estimator design to reduce the conservativeness of neglecting these characteristics. Finally, a numerical example is given to illustrate the effectiveness of the proposed design techniques. Copyright Β© 2006 John Wiley & Sons, Ltd.

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