Title

A Lyapunov-based adaptive control framework for discrete-time non-linear systems with exogenous disturbances

Authors

Authors

T. Hayakawa; W. M. Haddad;A. Leonessa

Comments

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Abbreviated Journal Title

Int. J. Control

Keywords

STABILITY; Automation & Control Systems

Abstract

A direct adaptive non-linear control framework for discrete-time multivariable non-linear uncertain systems with exogenous bounded disturbances is developed. The adaptive non-linear controller addresses adaptive stabilization, disturbance rejection and adaptive tracking. The proposed framework is Lyapunov-based and guarantees partial asymptotic stability of the closed-loop system; that is, asymptotic stability with respect to part of the closed-loop system states associated with the plant. In the case of bounded energy l 2 disturbances the proposed approach guarantees a non-expansivity constraint on the closed-loop input-output map. Finally, three illustrative numerical examples are provided to demonstrate the efficacy of the proposed approach.

Journal Title

International Journal of Control

Volume

77

Issue/Number

3

Publication Date

1-1-2004

Document Type

Article

Language

English

First Page

250

Last Page

263

WOS Identifier

WOS:000189027000004

ISSN

0020-7179

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