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ID 30025
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Abstract

A control-oriented uncertainty modeling on frequency domain is presented for a class of spectral systems with unknown high-order modal parameters. At any user-specified frequency, the set of all the feasible frequency responses is characterized on the complex plane where it is said to be feasible if partial modal parameters of a system are given and the other unknown modal parameters meet certain conditions. We emphasize that such a characterization enables us to quantify the least upper bounds of errors for any nominal models, and also to develop further efficient results using additional information. It is shown that the DC gain information of the system reduces the size of the feasible set to half or smaller one, for any frequencies. The efficiency of the presented scheme is demonstrated by a simple example of an ideal flexible beam.

Keywords
control system synthesis
flexible structures
frequency response
frequency-domain
analysis
uncertain systems
Note
Digital Object Identifier: 10.1109/CDC.2002.1185008
Published with permission from the copyright holder. This is the institute's copy, as published in Decision and Control, 2002, Proceedings of the 41st IEEE Conference on, 10-13 Dec. 2002, Volume: 4, Pages 4092-4094.
Publisher URL:http://dx.doi.org/10.1109/CDC.2002.1185008
Copyright © 2002 IEEE. All rights reserved.
Published Date
2002-12
Publication Title
Decision and Control
Start Page
4092
End Page
4094
Content Type
Journal Article
language
英語
Refereed
True
DOI
Submission Path
industrial_engineering/75