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Communication Dans Un Congrès Année : 2014

LMI results for robust control design of observer-based controllers, the discrete-time case with polytopic uncertainties

Résumé

Design of robust observers is considered in the context of linear discrete-time, time invariant systems. Robustness is achieved with respect to polytopic type uncertainties that affect the dynamics of the plant. At the difference with the uncertainty-free situation, state-feedback / observer separation principle does not hold. Therefore, the observer design has to take into account the state-feedback gain. Results are derived with linear matrix inequality formalism and involve up-to-date slack-variables approach. A numerical example illustrates the results. Limitations of the method are discussed and prospective work for improving these is exposed.

Domaines

Automatique
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Dates et versions

hal-01760808 , version 1 (06-04-2018)

Identifiants

Citer

Dimitri Peaucelle, Yoshio Ebihara. LMI results for robust control design of observer-based controllers, the discrete-time case with polytopic uncertainties. IFAC World Congress 2014, Aug 2014, Cape Town, South Africa. pp.6527 - 6532, ⟨10.3182/20140824-6-ZA-1003.00218⟩. ⟨hal-01760808⟩
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