LQ optimal control for infinite-dimensional passive systems

Fuente: arXiv
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Autori principali: Hastir, Anthony, Jacob, Birgit
Natura: Preprint
Pubblicazione: 2025
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author Hastir, Anthony
Jacob, Birgit
author_facet Hastir, Anthony
Jacob, Birgit
contents We study the Linear-Quadratic optimal control problem for a general class of infinite-dimensional passive systems, allowing for unbounded input and output operators. We show that under mild assumptions, the finite cost condition is always satisfied. Moreover, we show that the optimal cost operator is a contraction. In the case where the system is energy preserving, the optimal cost operator is shown to be the identity, which allows to deduce easily the unique stabilizing optimal control. In this case, we derive an explicit solution to an adapted operator Riccati equation. We apply our results to boundary control systems, first-order port-Hamiltonian systems and an Euler-Bernoulli beam with shear force control.
format Preprint
id arxiv_https___arxiv_org_abs_2506_03882
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle LQ optimal control for infinite-dimensional passive systems
Hastir, Anthony
Jacob, Birgit
Optimization and Control
Analysis of PDEs
We study the Linear-Quadratic optimal control problem for a general class of infinite-dimensional passive systems, allowing for unbounded input and output operators. We show that under mild assumptions, the finite cost condition is always satisfied. Moreover, we show that the optimal cost operator is a contraction. In the case where the system is energy preserving, the optimal cost operator is shown to be the identity, which allows to deduce easily the unique stabilizing optimal control. In this case, we derive an explicit solution to an adapted operator Riccati equation. We apply our results to boundary control systems, first-order port-Hamiltonian systems and an Euler-Bernoulli beam with shear force control.
title LQ optimal control for infinite-dimensional passive systems
topic Optimization and Control
Analysis of PDEs
url https://arxiv.org/abs/2506.03882