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Observer-based synthesis of linear parameter-varying mixed sensitivity controllers
Citation Link: https://doi.org/10.15480/882.2941
Publikationstyp
Journal Article
Publikationsdatum
2020-07-07
Sprache
English
Author
Institut
TORE-URI
Volume
30
Issue
13
Start Page
5021
End Page
5039
Citation
International Journal of Robust and Nonlinear Control 13 (30): 5021-5039 (2020-09-10)
Publisher DOI
Scopus ID
Publisher
Wiley
This article presents a computationally efficient way of synthesizing linear parameter-varying (LPV) controllers. It reviews the possibility of a separate observer and state feedback synthesis with guaranteed performance and shows that a standard mixed sensitivity problem can be solved in this way. The resultant output feedback controller consists of an LPV observer, augmented with dynamic filters to incorporate integral control and roll-off properties, and an LPV state feedback gain. It is thus highly structured, which is beneficial for implementation. Moreover, it does not depend on scheduling parameter rates regardless of whether parameter-dependent Lyapunov matrices are used during synthesis. A representative control design for active flutter suppression on an aeroelastic unmanned aircraft demonstrates the benefits of the proposed method in comparison with state-of-the-art LPV output feedback synthesis.
Schlagworte
control synthesis algorithm
coprime factorization
flutter suppression
linear parameter-varying control
observer
DDC Class
600: Technik
Publication version
publishedVersion
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