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## International Journal of Applied Mathematics and Computer Science

2012 | 22 | 4 | 921-927
Tytuł artykułu

### Observer-based controller design of time-delay systems with an interval time-varying delay

Autorzy
Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
This paper considers the problem of designing an observer-based output feedback controller to exponentially stabilize a class of linear systems with an interval time-varying delay in the state vector. The delay is assumed to vary within an interval with known lower and upper bounds. The time-varying delay is not required to be differentiable, nor should its lower bound be zero. By constructing a set of Lyapunov-Krasovskii functionals and utilizing the Newton-Leibniz formula, a delay-dependent stabilizability condition which is expressed in terms of Linear Matrix Inequalities (LMIs) is derived to ensure the closed-loop system is exponentially stable with a prescribed α-convergence rate. The design of an observerbased output feedback controller can be carried out in a systematic and computationally efficient manner via the use of an LMI-based algorithm. A numerical example is given to illustrate the design procedure.
Słowa kluczowe
EN
Rocznik
Tom
Numer
Strony
921-927
Opis fizyczny
Daty
wydano
2012
otrzymano
2012-01-04
poprawiono
2012-05-20
Twórcy
autor
• Department of Mathematics and Informatics, Thai Nguyen University of Sciences, Quyet Thang Ward, Thai Nguyen City 23000, Vietnam
autor
• Institute of Mathematics, VAST, 18 Hoang Quoc Viet Road, Hanoi 10307, Vietnam
autor
• School of Engineering, Deakin University, Geelong, VIC 3217, Australia
Bibliografia
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• Botmart, T., Niamsup, P. and Phat, V.N. (2011). Delay-dependent exponential stabilization for uncertain linear systems with interval non-differentiable time-varying delays, Applied Mathematics and Computation 217(21): 8236-8247.
• Busłowicz, M. (2010). Robust stability of positive continuous-time linear systems with delays, International Journal of Applied Mathematics and Computer Science 20(4): 665-670, DOI: 10.2478/v10006-010-0049-8.
• Chen, J.D. (2007). Robust $H_∞$ output dynamic observer-based control design of uncertain neutral systems, Journal of Optimization Theory and Applications 132(1): 193-211.
• Fridman, E. and Shaked, U. (2002). A descriptor system approach to $H_∞$ control of linear time-delay systems, IEEE Transactions on Automatic Control 47(2): 253-270.
• Gu, K., Kharitonov, V. L. and Chen, J. (2003). Stability of TimeDelay Systems, Birkhauser, Boston, MA.
• Ivanescu, D., Dion, J.M., Dugard, L. and Niculescu, S.I. (2000). Dynamical compensation for time-delay systems: An LMI approach, International Journal of Robust and Nonlinear Control 10(8): 611-628.
• Kaczorek, T. and Busłowicz, M. (2004). Minimal realization for positive multivariable linear systems with delay, International Journal of Applied Mathematics and Computer Science 14(2): 181-187.
• Kowalewski, A. (2009). Time-optimal control of infinite order hyperbolic systems with time delays, International Journal of Applied Mathematics and Computer Science 19(4): 597-608, DOI: 10.2478/v10006-009-0047-x.
• Kwon, O.M., Park, J.H., Lee, S.M. and Won, S.C. (2006). LMI optimization approach to observer-based controller design of uncertain time-delay systems via delayed feedback, Journal of Optimization Theory and Applications 128(1): 103-117.
• Park, J.H. (2004). On the design of observer-based controller of linear neutral delay-differential systems, Applied Mathematics and Computation 150(1): 195-202.
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• Raja, R., Sakthivel, R., Anthoni, S.M. and Kim, H. (2011). Stability of impulsive Hopfield neural networks with Markovian switching and time-varying delays, International Journal of Applied Mathematics and Computer Science 21(1): 127-135, DOI: 10.2478/v10006-011-0009-y.
• Richard, J.P. (2003). Time-delay systems: An overview of some recent advances and open problems, Automatica 39(10): 1667-1694.
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• Shao, H. and Han, Q.L. (2012). Less conservative delay-dependent stability criteria for linear systems with interval time-varying delays, International Journal of Systems Science 43(5): 894-902.
• Tokarzewski, J. (2009). Zeros in linear systems with time delay in state, International Journal of Applied Mathematics and Computer Science 19(4): 609-617, DOI: 10.2478/v10006-009-0048-9.
• Tong, S., Yang, G. and Zhang, W. (2011). Observer-based fault-tolerant control against sensor failures for fuzzy systems with time delays, International Journal of Applied Mathematics and Computer Science 21(4): 617-627, DOI: 10.2478/v10006-011-0048-4.
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• Xiang, Z., Wang, R. and Chen, Q. (2010). Fault tolerant control of switched nonlinear systems with time delay under asynchronous switching, International Journal of Applied Mathematics and Computer Science 20(3): 497-506, DOI: 10.2478/v10006-010-0036-0.
Typ dokumentu
Bibliografia
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