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Erschienen in:
2015 | OriginalPaper | Buchkapitel
LQG-Balanced Truncation Low-Order Controller for Stabilization of Laminar Flows
verfasst von : Peter Benner, Jan Heiland
Erschienen in: Active Flow and Combustion Control 2014
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Recent theoretical and simulation results have shown that Riccati based feedback can stabilize flows at moderate Reynolds numbers. We extend this established control setup by the method of
LQG-balanced truncation
. In view of practical implementation, we introduce a controller that bases only on outputs rather than on the full state of the system. Also, we provide a very low dimensional observer so that the control actuation can be computed in an online fashion.