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International Journal of Differential Equations
Volume 2014, Article ID 102653, 13 pages
Research Article

Further Stability Analysis on Neutral Systems with Actuator Saturation and Time-Delays

Department of Automation, School of Information Science and Technology, University of Science and Technology of China, Anhui 230027, China

Received 13 January 2014; Revised 3 April 2014; Accepted 7 April 2014; Published 4 May 2014

Academic Editor: Kartik Ariyur

Copyright © 2014 Xinghua Liu. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper is concerned with the asymptotic stability analysis for a class of neutral systems with time-delay and saturating actuators, which is further to reduce the conservatism of neutral system. Based on the model transformation and the delay-dividing approach, a new type of augmented Lyapunov functional is constructed, which has fully exploited the information on the lower bound of the delay. Then the delay-dependent conditions for asymptotic stability are derived by applying some integral inequalities and Lyapunov theory. Finally, numerical examples are provided to show that the proposed results significantly improve the allowed upper bounds of the delay size over some existing ones in the literature.