A separation result for some kind of global stabilization via output feedback of a class of nonlinear systems, under the form of some stabilizability by state feedback on the one hand, and some unboundedness observability on the other hand is presented. They allow to design, for any domain of output initial condition, some dynamic output feedback controller achieving global stability. It is also highlighted how disturbance attenuation can further be achieved on the same basis. As an example, the proposed conditions are shown to be satis7ed by the class of so-called Euler–Lagrange systems, for which a tracking output feedback control law is thus proposed.

A new separation result for a class of quadratic-like systems with application to Euler-Lagrange models / Besancon, G.; Battilotti, S.; Lanari, L.. - In: AUTOMATICA. - ISSN 0005-1098. - STAMPA. - 39:6(2003), pp. 1085-1093. [10.1016/S0005-1098(03)00073-6]

A new separation result for a class of quadratic-like systems with application to Euler-Lagrange models

BATTILOTTI, Stefano
;
LANARI, Leonardo
2003

Abstract

A separation result for some kind of global stabilization via output feedback of a class of nonlinear systems, under the form of some stabilizability by state feedback on the one hand, and some unboundedness observability on the other hand is presented. They allow to design, for any domain of output initial condition, some dynamic output feedback controller achieving global stability. It is also highlighted how disturbance attenuation can further be achieved on the same basis. As an example, the proposed conditions are shown to be satis7ed by the class of so-called Euler–Lagrange systems, for which a tracking output feedback control law is thus proposed.
2003
Unboundedness observability; Output feedback; Global stability; Euler–Lagrange systems; Tracking control; Disturbance attenuation
01 Pubblicazione su rivista::01a Articolo in rivista
A new separation result for a class of quadratic-like systems with application to Euler-Lagrange models / Besancon, G.; Battilotti, S.; Lanari, L.. - In: AUTOMATICA. - ISSN 0005-1098. - STAMPA. - 39:6(2003), pp. 1085-1093. [10.1016/S0005-1098(03)00073-6]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/255595
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