Volume 27, 2021
Special issue in the honor of Enrique Zuazua's 60th birthday
|Number of page(s)||30|
|Published online||22 March 2021|
A penalty approach to the infinite horizon LQR optimal control problem for the linearized Boussinesq system
Institut de Mathématiques de Bordeaux, 351 Cours de la Libération,
* Corresponding author: email@example.com
Accepted: 13 January 2021
In this paper, we consider the infinite time horizon LQR optimal control problem for the linearized Boussinesq system. The goal is to justify the approximation by penalization of the free divergence condition in this context. We establish convergence results for optimal controls, optimal solutions and Riccati operators when the penalization parameter goes to zero. These results are obtained under two different assumptions. The first one treats the linearization around a sufficiently small stationary state and an arbitrary control operator (possibly of finite rank), while the second one does no longer require the smallness of the stationary state but requires to consider controls distributed in a subdomain and depending on the space variable.
Mathematics Subject Classification: 49N10 / 93B05
Key words: Linear quadratic optimal control / Riccati theory / Boussinesq system / penalty method / controllability
© The authors. Published by EDP Sciences, SMAI 2021
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