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Robust Stability Criteria for Neutral Systems with Interval Time-Varying Delays and Nonlinear Pertur

本站小编 哈尔滨工业大学/2019-10-23

Robust Stability Criteria for Neutral Systems with Interval Time-Varying Delays and Nonlinear Perturbations

Mao Wang1, Yan-Ling Wei1, Zhao-Lan He2, Le Xiao1

(1. Space Control and Inertial Technology Research Center, Harbin Institute of Technology, Harbin 150001, China; 2. School of Automation, Harbin University of Science and Technology, Harbin 150080, China)



Abstract:

This paper investigates the problem of delay-dependent robust stability analysis for a class of neutral systems with interval time-varying delays and nonlinear perturbations. Such nonlinear perturbations are with time-varying but norm-bounded characteristics. Based on a new Lyapunov-Krasovskii functional together with a free-weighting matrices technique, improved delay-dependent stability criteria are established. It is shown that less conservative results can be obtained in terms of linear matrix inequalities (LMIs). Numerical examples are provided to demonstrate the effectiveness and less conservatism of the proposed approach.

Key words:  neutral systems  interval time-varying delays  nonlinear perturbations  robust stability  linear matrix inequality

DOI:10.11916/j.issn.1005-9113.2014.02.011

Clc Number:TP273

Fund:


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