NDLI: Delay-dependent robust H∞ output feedback control for uncertain discrete-time switched systems with interval time-varying delay

Content Provider	IEEE Xplore Digital Library
Author	Jianbin Qiu Gang Feng Jie Yang
Copyright Year	2008
Description	Author affiliation: Dept. of Manuf. Eng. & Eng. Manage., Univ. of Sci. & Technol. of China, Hefei (Jianbin Qiu)
Abstract	This paper revisits the problem of delay-dependent dynamic output feedback control for a class of uncertain discrete-time switched linear state-delayed systems, where the state delay is assumed to be time-varying and of an interval-like type, which means that both the lower and upper bounds of the time-varying delay are available and the parameter uncertainties are assumed to have a structured linear fractional form. The objective is to design a switched dynamic output feedback controller guaranteeing the asymptotic stability of the resulting closed-loop system with disturbance attenuation level gamma. Based on a new delay-dependent switched Lyapunov- Krasovskii functional combined with Finsler's lemma, a novel sufficient condition for robust $H_{infin}$ performance analysis is first derived and then the corresponding controller synthesis is developed. It is shown that the controller parameters can be obtained by solving a set of linear matrix inequalities, which are numerically efficient with commercially available software. Finally, a numerical example is provided to illustrate the advantages and less conservatism of the proposed approach in comparison with the existing approaches.
Starting Page	3975
Ending Page	3980
File Size	180765
Page Count	6
File Format	PDF
ISBN	9781424420780
ISSN	07431619
DOI	10.1109/ACC.2008.4587114
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Delay Robustness Output feedback Control systems Time varying systems Linear feedback control systems Upper bound Uncertain systems Asymptotic stability Attenuation
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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