Feedback Stabilization of the Three-Dimensional Navier-Stokes Equations using Generalized Lyapunov Equations

30 Sep 2019  ·  Breiten Tobias, Kunisch Karl ·

The approximation of the value function associated to a stabilization problem formulated as optimal control problem for the Navier-Stokes equations in dimension three by means of solutions to generalized Lyapunov equations is proposed and analyzed. The specificity, that the value function is not differentiable on the state space must be overcome... For this purpose a new class of generalized Lyapunov equations is introduced. Existence of unique solutions to these equations is demonstrated. They provide the basis for feedback operators, which approximate the value function, the optimal states and controls, up to arbitrary order. read more

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Optimization and Control