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Global output regulation of uncertain nonlinear systems with exogenous signals

โœ Scribed by Zhengtao Ding

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
156 KB
Volume
37
Category
Article
ISSN
0005-1098

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โœฆ Synopsis

The paper addresses the global output tracking of a class of uncertain output feedback systems a!ected by disturbances which are generated from a known exosystem. The system uncertainty is parametrized by a unknown parameter vector, which is absorbed in the parametrization of disturbances. A controller based on the estimation of states and disturbances from the output is designed using backstepping to asymptotically track arbitrary trajectories and to guarantee the boundedness of all other variables. The proposed control algorithm provides an alternative with global tracking to structurally stable regulation of nonlinear output feedback systems. It can also be viewed as a generalization to adaptive control algorithms.

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