کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
698356 890404 2008 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
H∞H∞ filtering for uncertain stochastic time-delay systems with sector-bounded nonlinearities
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی کنترل و سیستم های مهندسی
پیش نمایش صفحه اول مقاله
H∞H∞ filtering for uncertain stochastic time-delay systems with sector-bounded nonlinearities
چکیده انگلیسی

In this paper, we deal with the robust H∞H∞ filtering problem for a class of uncertain nonlinear time-delay stochastic systems. The system under consideration contains parameter uncertainties, Itô-type stochastic disturbances, time-varying delays, as well as sector-bounded nonlinearities. We aim at designing a full-order filter such that, for all admissible uncertainties, nonlinearities and time delays, the dynamics of the filtering error is guaranteed to be robustly asymptotically stable in the mean square, while achieving the prescribed H∞H∞ disturbance rejection attenuation level. By using the Lyapunov stability theory and Itô’s differential rule, sufficient conditions are first established to ensure the existence of the desired filters, which are expressed in the form of a linear matrix inequality (LMI). Then, the explicit expression of the desired filter gains is also characterized. Finally, a numerical example is exploited to show the usefulness of the results derived.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Automatica - Volume 44, Issue 5, May 2008, Pages 1268–1277
نویسندگان
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