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Proceedings Paper

Experimental verification of an analytical bound Hinf norm collocated control approach
Author(s): Robert J. Sweeney; Michael A. Demetriou; Karolos M. Grigoriadis
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Paper Abstract

The objective of this paper is to provide an experimental verification of a new H-infinity control scheme on a flexible beam which uses a collocated PZT actuator/sensor pair. We use an analytical bound approach that provides an explicit expression of an upper bound on the H-infinity norm of the closed-loop system and an explicit parametrization of the corresponding output feedback control gains. The method has great computational advantages for large scale structural systems where the solution of H-infinity optimization problems using standard tools could be computationally prohibitive. Both experimental and numerical results are presented that provide a comparison of the performance and the computational requirements on the controller design using the standard H-infinity formulation and the proposed analytical bound approach.

Paper Details

Date Published: 19 May 2005
PDF: 10 pages
Proc. SPIE 5757, Smart Structures and Materials 2005: Modeling, Signal Processing, and Control, (19 May 2005); doi: 10.1117/12.604438
Show Author Affiliations
Robert J. Sweeney, Worcester Polytechnic Institute (United States)
Michael A. Demetriou, Worcester Polytechnic Institute (United States)
Karolos M. Grigoriadis, Univ. of Houston (United States)

Published in SPIE Proceedings Vol. 5757:
Smart Structures and Materials 2005: Modeling, Signal Processing, and Control
Ralph C. Smith, Editor(s)

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