S. S. Alaviani, Delay dependent stabilization of linear time-varying system with time delay, Asian Journal of Control, vol.11, issue.5, pp.557-563, 2009.

B. Anderson, Stability properties of Kalman-Bucy filters, Journal of the Franklin Institute, vol.291, issue.2, pp.137-144, 1971.

B. Anderson, Exponential stability of linear equations arising in adaptive identification, IEEE Transactions on Automatic Control, vol.22, issue.1, pp.83-88, 1977.

V. Andrieu, L. Praly, and A. Astolfi, Homogeneous Approximation, Recursive Observer Design, and Output Feedback, SIAM J. Control Optimization, vol.47, issue.4, pp.1814-1850, 2008.
URL : https://hal.archives-ouvertes.fr/hal-00362707

M. Anguelova and B. Wennberg, State elimination and identifiability of the delay parameter for nonlinear time-delay systems, Automatica, vol.44, issue.5, pp.1373-1378, 2008.

V. V. Assche, T. Ahmed-ali, C. Hann, and F. Lamnabhi-lagarrigue, High gain observer design for nonlinear systems with time varying delayed measurements, IFAC Proceedings Volumes, vol.44, pp.692-696, 2011.
URL : https://hal.archives-ouvertes.fr/hal-00648634

, Analysis and design of nonlinear control systems, 2008.

G. Besançon, Nonlinear observers and applications, vol.363, 2007.

G. Besançon, D. Georges, and Z. Benayache, Asymptotic state prediction for continuous-time systems with delayed input and application to control, European Control Conference (ECC, pp.1786-1791, 2007.

R. Bucy, The Riccati equation and its bounds, Journal of Computer and System Sciences, vol.6, issue.4, pp.343-353, 1972.

F. Cacace, F. Conte, A. Germani, and G. Palombo, Joint state estimation and delay identification for nonlinear systems with delayed measurements, IEEE Transactions on Automatic Control, vol.62, issue.9, pp.4848-4854, 2017.

F. Cacace, A. Germani, and C. Manes, An observer for a class of nonlinear systems with time varying observation delay, Systems & Control Letters, vol.59, issue.5, pp.305-312, 2010.

, Chapter, Linear dynamical systems, vol.135, pp.72-87, 1977.

J. L. Crassidis and J. L. Junkins, Optimal estimation of dynamic systems, 2012.

E. Cruz-zavala and J. A. Moreno, Lyapunov functions for continuous and discontinuous differentiators, IFAC-PapersOnLine, vol.49, issue.18, pp.660-665, 2016.

E. Cruz-zavala, J. A. Moreno, and L. Fridman, Asymptotic stabilization in fixed time via sliding mode control. In Decision and control (cdc), pp.6460-6465, 2012.

E. Cruz-zavala, J. A. Moreno, and L. M. Fridman, Uniform robust exact differentiator, IEEE Transactions on Automatic Control, vol.56, issue.11, pp.2727-2733, 2011.

E. Fridman, Introduction to time-delay systems, 2014.

E. Fridman, Tutorial on Lyapunov-based methods for time-delay systems, European Journal of Control, vol.20, issue.6, pp.271-283, 2014.

M. Ghanes, J. D. Leon, and J. Barbot, Observer design for nonlinear systems under unknown time-varying delays, IEEE Transactions on Automatic Control, vol.58, issue.6, pp.1529-1534, 2013.
URL : https://hal.archives-ouvertes.fr/hal-00749682

S. Ibrir, Adaptive observers for time-delay nonlinear systems in triangular form, Automatica, vol.45, issue.10, pp.2392-2399, 2009.

R. Kalman, Contributions to the theory of optimal control, vol.5, pp.102-119, 1960.

H. K. Khalil, Nonlinear systems, 2002.

A. Khosravian, J. Trumpf, R. Mahony, and T. Hamel, State estimation for invariant systems on lie groups with delayed output measurements, Automatica, vol.68, pp.254-265, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01326783

A. Kruszewski, W. .. Jiang, E. Fridman, J. P. Richard, and A. Toguyeni, A switched system approach to exponential stabilization through communication network, IEEE Transactions on Control Systems Technology, vol.20, issue.4, pp.887-900, 2012.
URL : https://hal.archives-ouvertes.fr/inria-00602327

F. Lopez-ramirez, D. Efimov, A. Polyakov, and W. Perruquetti, Fixed-time output stabilization of a chain of integrators, Proc. 55th ieee conference on decision and control (cdc), 2016.
URL : https://hal.archives-ouvertes.fr/hal-01371278

V. Léchappé, E. Moulay, and F. Plestan, Dynamic observation-prediction for LTI systems with a time-varying delay in the input, 2016 IEEE 55th Conference on Decision and Control (CDC), pp.2302-2307, 2016.

F. Mazenc and M. Malisoff, Stability analysis for time-varying systems with delay using linear lyapunov functionals and a positive systems approach, IEEE Transactions on Automatic Control, vol.61, issue.3, pp.771-776, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01257336

T. Meurer, K. Graichen, and . Gilles, Control and observer design for nonlinear finite and infinite dimensional systems, vol.322, 2005.

J. A. Moreno, Lyapunov approach for analysis and design of second order sliding mode algorithms, Sliding modes after the first decade of the 21st century: State of the art, 2012.

A. Polyakov, Fixed-time stabilization of linear systems via sliding mode control, Variable structure systems (vss), 2012 12th international workshop on, pp.1-6, 2012.

H. Ríos and A. Teel, A hybrid observer for uniform finite-time state estimation of linear systems, proc. 55th ieee conference on decision and control (cdc), 2016.

J. G. Rueda-escobedo, R. Ushirobira, D. Efimov, and J. A. Moreno, A gramianbased observer with uniform convergence rate for delayed measurements, European Control Conference, 2018.
URL : https://hal.archives-ouvertes.fr/hal-01895389

J. Sun and J. Chen, A survey on lyapunov-based methods for stability of linear time-delay systems, Frontiers of Computer Science, vol.11, issue.4, pp.555-567, 2017.

A. Vafaei and M. J. Yazdanpanah, A chain observer for nonlinear long constant delay systems: A matrix inequality approach, Automatica, vol.65, pp.164-169, 2016.

B. Zhou and A. V. Egorov, Razumikhin and Krasovskii stability theorems for timevarying time-delay systems, Automatica, vol.71, pp.281-291, 2016.