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EnglishWe study the problem of stabilizing with large regions of attraction a general class of nonlinear system consisting of a linear nominal system plus uncertainties. A similar result was given by the same author in previous works; in this note, we prove that what was referred in these works to as "nonlinear coupling condition" can be reformulated in the control design as a "nonlinear rescaling" of the Lyapunov functions of the closed-loop system plus the requirement for a suitably faster convergence of the state estimation error. We obtain a paradigm very similar to the linear case, for which if a couple of Riccati-like inequalities (state feedback and observer design) are satisfied then a measurement feedback stabilizing controller can be readily found. Examples are given for showing improvements over the existing literature.
| Titolo: | Robust delectability from the measurements plus state feedback stabilization imply semiglobal stabilization from the measurements |
| Autori: | BATTILOTTI, Stefano (Corresponding author) |
| Data di pubblicazione: | 2006 |
| Rivista: | |
| Handle: | http://hdl.handle.net/11573/396640 |
| Appartiene alla tipologia: | 01a Articolo in rivista |
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| Battilotti_Robust-detectability_2006.pdf | Versione editoriale (versione pubblicata con il layout dell'editore) | Tutti i diritti riservati (All rights reserved) | Administrator Richiedi una copia |
http://hdl.handle.net/11573/396640
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