Stabilization of Incompressible Flow Problems by Riccati-based Feedback

  • Eberhard BänschEmail author
  • Peter Benner
Part of the International Series of Numerical Mathematics book series (ISNM, volume 160)


We consider optimal control-based boundary feedback stabilization of flow problems for incompressible fluids. We follow an analytical approach laid out during the last years in a series of papers by Barbu, Lasiecka, Triggiani, Raymond, and others. They have shown that it is possible to stabilize perturbed flows described by Navier-Stokes equations by designing a stabilizing controller based on a corresponding linear-quadratic optimal control problem. For this purpose, algorithmic advances in solving the associated algebraic Riccati equations are needed and investigated here. The computational complexity of the new algorithms is essentially proportional to the simulation of the forward problem.


Flow control feedback Navier-Stokes equations Riccati equation 


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© Springer Basel AG 2012

Authors and Affiliations

  1. 1.Lehrstuhl Angewandte Mathematik IIIFAU ErlangenErlangenGermany
  2. 2.Max Planck Institute for Dynamics of Complex Technical SystemsMagdeburgGermany

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