Reduced Order Finite Time Observers and Output Feedback for Time-Varying Nonlinear Systems

Frédéric F. Mazenc (1) , Saeed Ahmed (2, 3) , Michael Malisoff (4, 5)

1 DISCO - Dynamical Interconnected Systems in COmplex Environments
2 Bilkent University [Ankara]
3 TU Kaiserslautern - Technische Universität Kaiserslautern
4 Department of Mathematics
5 LSU - Department of Physics and Astronomy [BatonRouge]

We provide finite time reduced order observers for a class of nonlinear time-varying continuous-time systems. We use the observers to design globally asymptotically stabilizing output feedback controls. We illustrate our work in a tracking dynamics for a nonholonomic system in chained form.

Mots clés: time-varying; finite time; Observer; stabilization

Domaines: Automatique

Frédéric F. Mazenc, Saeed Ahmed, Michael Malisoff. Reduced Order Finite Time Observers and Output Feedback for Time-Varying Nonlinear Systems. Automatica, 2020, 119, pp.109083. ⟨10.1016/j.automatica.2020.109083⟩. ⟨hal-02612353v2⟩