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

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Nguang, Sing Kiong, Shi, Peng and Ding, Steven (2006) Delay-dependent fault estimation for uncertain time-delay nonlinear systems: An LMI approach. International Journal of Robust and Nonlinear Control, 16 (18). pp. 913-933. ISSN 1049-8923

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 ∞ 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

Item type Article
URI https://vuir.vu.edu.au/id/eprint/3054
Official URL http://onlinelibrary.wiley.com/doi/10.1002/rnc.111...
Subjects Historical > FOR Classification > 0906 Electrical and Electronic Engineering
Historical > FOR Classification > 0103 Numerical and Computational Mathematics
Historical > Faculty/School/Research Centre/Department > Institute for Logistics and Supply Chain Management (ILSCM)
Keywords ResPubID18986, fuzzy system models, Lyapunov function, fault estimation
Citations in Scopus 105 - View on Scopus
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