| Home > Publications database > Structured IQC Synthesis of Robust $\mathcal{H}_2$ Controllers in the Frequency Domain |
| Journal Article/Contribution to a conference proceedings | PUBDB-2022-06858 |
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2023
IFAC
Luxenburg
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Please use a persistent id in citations: doi:10.1016/j.ifacol.2023.10.1055 doi:10.3204/PUBDB-2022-06858
Abstract: 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 two literature examples and a real-world system using a novel implementation of a robust H2-performance bound.
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