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Type: Artigo de periódico
Title: Design of a reduced-order H infinity controller for smart structure satellite applications
Author: Moreira, FJO
Arruda, JRD
Inman, DJ
Abstract: In this paper, the design of a low-order controller for a high-order, smart-structural system is presented. The application considered here is a model of a solar panel dynamically similar to those used on satellites. Smart structure refers here to the use of integrated piezoceramic materials as sensors and actuators in the structural system in order to implement the control. The analytical contribution is made by extending the well-known robust control theory by relating the high-frequency robustness condition to the residual uncertainty, removing a trial-and-error step in the normal robust-control design. The procedure is applied experimentally to a half-metre long frame that is coupled in bending and torsion, verifying that the technique is viable for a reasonably complex structure.
Subject: smart structures
piezoceramic actuators
Country: Inglaterra
Editor: Royal Soc London
Rights: fechado
Identifier DOI: 10.1098/rsta.2001.0885
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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