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| Format: | Preprint |
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2026
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| Online-Zugang: | https://arxiv.org/abs/2603.09829 |
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| _version_ | 1866915851212423168 |
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| author | Davron, Lucas Lissy, Pierre Marx, Swann |
| author_facet | Davron, Lucas Lissy, Pierre Marx, Swann |
| contents | We study cascade coupled systems, for which our prototypical example is a 1-d heat equation coupled with a 1-d wave equation. The heat component is controlled through one boundary and the information is transmitted through another one to the wave component, while the wave component does not influence the heat component. Our aim is to understand the well-posedness, controllability and stabilizability properties for such a system. Establishing well-posedness is tedious using the classical energy method, which motivates us to take advantage of the cascade structure. Taking again advantage of this structure, we prove a simultaneous exact and approximate controllability result. Finally, we obtain polynomial stabilization by means of a closed-loop control defined through the solution to a Sylvester equation. These results are all discussed in an abstract LTI framework and most of our findings apply to more general situations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_09829 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Control and stabilization of cascade coupled systems: application to a 1-d heat and wave coupled system Davron, Lucas Lissy, Pierre Marx, Swann Optimization and Control 35M30, 93B05, 93C20 We study cascade coupled systems, for which our prototypical example is a 1-d heat equation coupled with a 1-d wave equation. The heat component is controlled through one boundary and the information is transmitted through another one to the wave component, while the wave component does not influence the heat component. Our aim is to understand the well-posedness, controllability and stabilizability properties for such a system. Establishing well-posedness is tedious using the classical energy method, which motivates us to take advantage of the cascade structure. Taking again advantage of this structure, we prove a simultaneous exact and approximate controllability result. Finally, we obtain polynomial stabilization by means of a closed-loop control defined through the solution to a Sylvester equation. These results are all discussed in an abstract LTI framework and most of our findings apply to more general situations. |
| title | Control and stabilization of cascade coupled systems: application to a 1-d heat and wave coupled system |
| topic | Optimization and Control 35M30, 93B05, 93C20 |
| url | https://arxiv.org/abs/2603.09829 |