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Structured IQC synthesis of robust H2 controllers in the frequency domain
Citation Link: https://doi.org/10.15480/882.8975
Publikationstyp
Conference Paper
Publikationsdatum
2023
Sprache
English
Enthalten in
Volume
56
Issue
2
Start Page
10408
End Page
10413
Citation
IFAC PapersOnLine 56 (2): 10408–10413 (2023)
Publisher DOI
Scopus ID
ArXiv ID
Publisher
Elsevier BV
Peer Reviewed
true
The problem of robust controller synthesis for plants affected by structured uncertainty, captured by integral quadratic constraints, is discussed. The solution is optimized towards a worst-case white noise rejection specification, which is a generalization of the standard H2-norm to the robust setting including possibly non-LTI uncertainty. Arbitrary structural constraints can be imposed on the control solution, making this method suitable for distributed systems. The nonsmooth optimization algorithm used to solve the robust synthesis problem operates directly in the frequency domain, eliminating scalability issues for complex systems and providing local optimality certificates. The method is evaluated using a literature example and a real-world system using a novel implementation of a robust H2-performance bound.
Schlagworte
Complex systems
Controller constraints and structure
Distributed robust controller synthesis
H2-performance
IQCs
Numerical methods for optimal control
DDC Class
004: Computer Sciences
Publication version
publishedVersion
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Type
main article
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