This paper deals with a class of uncertain systems with time-varying delays and norm-bounded uncertainty. The stability and stabilizability of this class of systems are considered. Linear Matrix Inequalities (LMI) delay-dependent sufficient conditions for both stability and stabilizability and their robustness are established.
Automatic Control Research Unit, Electrical Engineering Department, Sfax National Engineering School, B.P. 805 Route Menzel Chaker Km 0.5, 3038 Sfax, Tunisia
Bibliografia
Boukas E.-K. and Liu Z.-K. (2002): Deterministic and Stochastic Time-Delay Systems. -Boston: Birkhauser, Marcel Dekker.
de la Sen M. (2002): Stability test for two common classes of linear time-delay systems and hybrid systems. - Lutianian Math. J., Vol. 42, No. 2, pp. 153-168.
Hale J.-K. (1977): Theory of Functional Differential Equations. -New York: Springer.
Hmamed A. (1997): Further results on the robust stability of uncertain linear systems including delayed perturbations. -Automatica, Vol. 33, No. 9, pp. 1763-1765.
Kim J.-H. (2001): Delay and its time derivative dependent robust stability of time-delayed linear systems with uncertainty. -IEEETAC, Vol. 46, No. 5, pp. 789-792.
Lee B. and Lee J.-G. (1999): Robust stability and stabilization of linear delayed systems with structured uncertainty. -Automatica, Vol. 35, No. 6, pp. 1149-1154.
Lee B. and Lee J.-G. (2000): Robust control of uncertain systems with input delay and input sector nonlinearity. -Proc. 39th IEEE Conf. Decision and Control, North Sydney, Australia, Vol. 5, pp. 4430-4435.
Li X. and de Souza C.-E. (1996): Criteria for robust stability of uncertain linear systems with time-varying state delays. -Proc. 13th IFAC World Congress, San Francisco, CA, pp. 137-142.
Li X. and de Souza C.-E. (1997a): Criteria for robust stability of uncertain linear systems with state delays. - Automatica, Vol. 33, No. 9, pp. 1657-1662.
Li X. and de Souza C.-E. (1997b): Delay dependent robust stability and stabilization of uncertain linear delay systems: A linear matrix inequality approach. - IEEETAC, Vol. 42, No. 8, pp. 1144-1148.
Li X., Fu M., and de Souza C.-E. (1992): H_∞ control and quadratic stabilization of systems with parameter uncertainty via output feedback. - IEEETAC, Vol. 37, No. 8, pp. 1253-1256.
Mahmoud M.-S. (2000): Robust Control and Filtering for Time-Delay Systems. - New York: Marcel-Dekker.
Marchenko V.-M., Borkovskaja I.-M. and Jakimenko A.-A. (1996): Linear state-feedback for after-effect systems: stabilization and modal control. - Proc. 13th IFAC World Congress, San-Francisco, USA, pp. 441-446.
Niculescu S.-I., de Souza C.-E., Dion J.-M. and Dugard L. (1994): Robust stability and stabilization of uncertain linear systems with state delay: Single dealy case. - Proc. IFAC Symp. Robust Control Design, Rio de Janero, Brazil, pp. 469-474.
Su J.-H. (1994): Further results on the robust stability of linear systems with a single time-delay. - SCL, Vol. 23, pp. 375-379.
Su T.J. and Huang C.-G. (1992): Robust stability of delay dependence for linear systems. -IEEETAC, Vol. 37, No. 10, pp. 1656-1659.
Sun Y.J., Hsieh J.-G. and Yang H.-C. (1997): On the stability of uncertain systems with multiple time-varying delays. - IEEETAC, Vol. 42, No. 1, pp. 101-105.
Wang S.-S., Chen B.-S. and Lin T.-P. (1987): Robust stability of uncertain time-delay systems. -IJC, Vol. 46, No. 4, pp. 963-976.
Xu B. (1995): On delay-independent stability of large scale systems with time-delays. - IEEETAC, Vol. 40, No. 5, pp. 930-933.
Xu B. and Liu Y. (1994): An improved Razimukhin-type theorem and its applications.- IEEETAC, Vol. 39, No. 4, pp. 839-841.