L. El-ghaoui and S. Niculescu, Advances in linear matrix inequality methods in control, Society for Industrial and Applied Mathematics, 2000.
URL : https://hal.archives-ouvertes.fr/hal-02192227

I. Fridman, Introduction to time-delay systems: Analysis and control, 2014.

, The output y (k) versus the estimated output? (k)

S. Ghrab, A. Benamor, and H. Messaoud, Robust discrete-time sliding mode control for systems with time-varying state delay and uncertainties on state and control input, Transactions of the Institute of Measurement and Control, vol.39, issue.9, pp.1293-1312, 2017.

Y. Han, Y. Kao, and C. Gao, Robust observer-based H ? control for uncertain discrete singular systems with time-varying delays via sliding mode approach, ISA transactions, vol.81, pp.81-88, 2018.

S. Li, J. Yang, W. Chen, and X. Chen, Disturbance observer-based control: methods and applications, 2016.

A. J. Muñoz-vázquez, V. Parra-vega, A. Sánchez-orta, and G. Romero-galván, Finite-time disturbance observer via continuous fractional sliding modes, Transactions of the Institute of Measurement and Control, vol.40, pp.3953-3963, 2018.

S. Sayyaddelshad and T. Gustafsson, H? observer design for uncertain nonlinear discrete-time systems with time-delay: LMI optimization approach, International Journal of Robust and Nonlinear Control, vol.147, pp.195-197, 1981.

S. Spurgeon, Sliding mode observers: a survey, International Journal of Systems Science, vol.39, pp.751-764, 2008.

N. Sun, Y. Zhang, G. Songi, and T. Li, Design of observer-based quantized control for nonlinear time-delay systems, Transactions of the Institute of Measurement and Control, vol.40, pp.4220-4232, 2018.

J. P. Richard, Time-delay systems: an overview of some recent advances and open problems, Automatica, vol.39, issue.10, pp.1667-1694, 2003.

C. P. Tan and C. Edwards, An LMI approach for designing sliding mode observers, International Journal of Control, vol.74, pp.1559-1568, 2001.

X. Wang, X. Zuo, J. Liu, and H. Liang, Robust observer-based control for uncertain discrete time-delay systems with nonlinearities electric-hydraulic system under Hölder condition, Optimal Control Applications and Methods, vol.38, issue.6, pp.1120-1131, 2017.