Engineering Mechanics

International Conference

Proceedings Vol. 11 (2005)


ENGINEERING MECHANICS 2005

NATIONAL CONFERENCE WITH INTERNATIONAL PARTICIPATION
May 9 – 12, 2005, Svratka, Czech Republic
;
Editors: Vladimír Fuis, Petr Krejčí and Tomáš Návrat

Copyright © 2005 Institute of Mechanics of Solids, Faculty of Mechanical Engineering, Bruno University of Technology, Brno

ISBN 80-85918-93-5 (printed)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Nonlinear controller with local approximator for active magneti bearing
Březina T., Pulchart J., Turek M.
pages 59 - +7p., full text

Algorithm of locally weighted regression is presented in this contribution. Local approximator repeatedly uses the locally linear model based on least square method. Simulation study describing both behavior and learning of small active magnetic bearing control through nonlinear PD controller which uses parallel nonlinear compensation realized by given local approximator is further presented. The goal of on-line learning process is to minimize the mean square of control error. Obtained results are compared with results reached with nonlinear analytically designed PD controller. Here described controller is robust to high level noise and also able to work with relative high delay.


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