Finite-time guaranteed state estimation for discrete-time systems with disturbances

Thach Ngoc Dinh 1 Frédéric Mazenc 2, 3 Tarek Raïssi 1
1 CEDRIC - Centre d'études et de recherche en informatique et communications
2 L2S - Laboratoire des signaux et systèmes
3 DISCO - Dynamical Interconnected Systems in COmplex Environments
Inria Saclay - Ile de France, L2S - Laboratoire des signaux et systèmes
Abstract : In this paper, we consider a family of discrete-time systems with input and output. A new technique, based on past values of the output which have been employed to construct some finite-time observers for continuous-time systems in the literature, is proposed for discrete-time case. The systems are affected by additive disturbances and disturbances in the output. Exact estimation or approximate estimation can be achieved depending on the absence or the presence of unknown but bounded uncertainties, respectively.
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CNRS | CENTRALESUPELEC | INRIA | L2S | CNAM | SUP_LSS | UNIV-PARIS-SACLAY | UNIV-HESAM | SUP_SYSTEMES | CEDRIC-CNAM

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Thach Ngoc Dinh, Frédéric Mazenc, Tarek Raïssi. Finite-time guaranteed state estimation for discrete-time systems with disturbances. SysTol 2019 - 4th International Conference on Control and Fault-Tolerant Systems, Sep 2019, Casablanca, Morocco. pp.342-347, ⟨10.1109/SYSTOL.2019.8864742⟩. ⟨hal-02342708⟩

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