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Int. J. Modelling, Identification and Control, Vol. X, No. Y, 200X 1

Copyright © 200X Inderscience Enterprises Ltd.

Improved observer-based reliable guaranteed cost

control for neutral systems

Hua Meng

College of Electronic Engineering and Information,

Hebei University of Science and Technology,

Shijiazhuang Hebei 050018, China

E-mail: menghua0311@126.com

Xue-li Wu*

College of Electronic Engineering and Information,

Hebei University of Science and Technology,

Shijiazhuang Hebei 050018, China

and

Institute of Electrical Engineering,

Yanshan University,

Qinhuangdao Hebei 066004, China

E-mail: wuxueli@yahoo.com.cn

*Corresponding author

Xuan Lv

College of Electronic Engineering and Information,

Hebei University of Science and Technology,

Shijiazhuang Hebei 050018, China

E-mail: ssw831@163.com

Qian Han

Department of Hua Xin,

Shijiazhuang University of Economics,

Shijiazhuang Hebei 050018, China

E-mail: hanqian@163.com

Abstract: In this note, the problem of observer-based reliable guaranteed cost control for a class

of linear neutral delay differential system with actuator failures is investigated. In this paper,

some new simple Lyapunov-Krasovskii functionals are constructed by uniformly dividing the

discrete delay interval into multiple segments and choosing proper functionals with different

weighted matrices corresponding to different segments in the Lyapunov-Krasovskii functionals.

Then, using these new simple Lyapunov-Krasovskii functionals, some new delay-dependent

stability criteria are derived. It is shown that the system is asymptotically stable against actuator

failures if the correspondent sufficient condition can be satisfied. Finally, a numerical example is

given to illustrate the effectiveness of the proposed criteria and we can also get information that

the guaranteed cost will exist from the example.

Keywords: neutral system; observer-based control; reliable guaranteed cost control.

Reference to this paper should be made as follows: Meng, H., Wu, X-l., Lv, X. and Han, Q.

(xxxx) ‘Improved observer-based reliable guaranteed cost control for neutral systems’, Int. J.

Modelling, Identification and Control, Vol. X, No. Y, pp.000–000.

Biographical notes: Hua Meng is currently working towards his MS at Electrical Engineering

from Hebei University of Science and Technology, Shijiazhuang, China. His research interests

are in non-linear control systems, control systems design over network and intelligent control.

Xue-li Wu received his BS from Harbin Normal University, Harbin, China. He received his MS

from Yanshan University, Qinhuangdao, China, and PhD in Huazhong University of Science and

Technology. He is currently a Professor and the Dean of the Electrical Engineering from Hebei

University of Science and Technology. His research interests are in non-linear control systems,

control systems design over network and intelligent control.

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