A sample-time adjusted feedback for robust bounded output stabilization

Title:

A sample-time adjusted feedback for robust bounded output stabilization

Creator:

Ordaz, Patricio, Alazki, Hussain, and Poznyak, Alexander

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:e96bd234-5ae4-4c0a-b535-728020ca6b8c
uuid:e96bd234-5ae4-4c0a-b535-728020ca6b8c

Subject:

sample-time data, attractive ellipsoid, state extimation, saturated control process, and flexible arm system

Type:

model:article and TEXT

Format:

bez média and svazek

Description:

This paper deals with a bounded control design for a class of nonlinear systems where the mathematical model may be not explicitly given. This class of uncertain nonlinear systems governed by a system of ODE with quasi-Lipschitz right-hand side and containing external perturbations as well. The Attractive Ellipsoid Method (AEM) application permits to describe the class of nonlinear feedbacks (containing a nonlinear projection operator, a linear state estimator and a feedback matrix-gain) guaranteeing a boundedness of all possible trajectories around the origin. To fulfill this property some modification of AEM are introduced: basically, some sort of sample-time corrections of the feedback parameters are required. The optimization of feedback within this class of controllers is associated with the selection of the feedback parameters which provide the trajectory converges within an ellipsoid of a "minimal size". The effectiveness of the suggested approach is illustrated by its application to a flexible arm system).

Language:

English

Rights:

http://creativecommons.org/publicdomain/mark/1.0/
policy:public

Coverage:

[911]-934

Source:

Kybernetika | 2013 Volume:49 | Number:6

Harvested from:

CDK

Metadata only:

false