Title

On The State Observation And Output Feedback Problems For Nonlinear Uncertain Dynamic Systems

Keywords

exponential convergence; nonlinear systems; observer; output feedback; Robust control

Abstract

In this paper, we examine the problems of state observation and state trajectory control by output feedback for the class of non-linear systems in [3,11]. We begin by modifying a known discontinuous variable structure type observer into a continuous type observer that guarantees the observation error is Globally Exponentially Stable (GES). We then modify a known discontinuous variable structure type output feedback controller into continuous type output feedback controller that forces the state to the origin in the GES sense. Specific time-varying bounds on the observation error and the state trajectory are also developed; revealing how the corresponding observer or control parameters can be adjusted to improve the system performance. © 1992.

Publication Date

1-1-1992

Publication Title

Systems and Control Letters

Volume

18

Issue

3

Number of Pages

217-222

Document Type

Article

Identifier

scopus

Personal Identifier

scopus

DOI Link

https://doi.org/10.1016/0167-6911(92)90008-G

Socpus ID

0026837861 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/0026837861

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