A global high-gain finite-time observer

Tomas Menard (1) , Emmanuel Moulay (2) , Wilfrid Perruquetti (3, 4)

1 IRCCyN - Institut de Recherche en Communications et en Cybernétique de Nantes
2 SIC
3 ALIEN - Algebra for Digital Identification and Estimation
4 SyNeR - Systèmes Non Linéaires et à Retards

A global finite-time observer is designed for nonlinear systems which are uniformly observable and globally Lipschitz. This result is based on a high-gain approach combined with recent advances on finite-time stability using Lyapunov function and homogeneity concepts.

Domaines: Automatique / Robotique

Tomas Menard, Emmanuel Moulay, Wilfrid Perruquetti. A global high-gain finite-time observer. IEEE Transactions on Automatic Control, 2010, 55 (6), pp.1500-1506. ⟨10.1109/TAC.2010.2045698⟩. ⟨hal-00455790⟩