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