IMMPC: An Internal Model Based MPC for Rejecting Unknown Disturbances
Fuente:
arXiv
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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Acceso en línea: | |
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| _version_ | 1866908694992650240 |
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| author | Brändle, Felix Allgöwer, Frank |
| author_facet | Brändle, Felix Allgöwer, Frank |
| contents | Model predictive control (MPC) is a powerful control method that allows to directly include state and input constraints into the controller design. However, errors in the model, e.g., caused by unknown disturbances, can lead to constraint violation, loss of feasibility and deteriorate closed-loop performance. In this paper, we propose a new MPC scheme based on the internal model principle. This enables the MPC to reject unknown disturbances provided that the dynamics of the linear signal generator are known. We reformulate the output regulation problem as a stability problem, to ensure feasibility, constraint satisfaction, and convergence to the optimal reachable setpoint. The controller is validated on a real fourtank system. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_05692 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | IMMPC: An Internal Model Based MPC for Rejecting Unknown Disturbances Brändle, Felix Allgöwer, Frank Systems and Control Model predictive control (MPC) is a powerful control method that allows to directly include state and input constraints into the controller design. However, errors in the model, e.g., caused by unknown disturbances, can lead to constraint violation, loss of feasibility and deteriorate closed-loop performance. In this paper, we propose a new MPC scheme based on the internal model principle. This enables the MPC to reject unknown disturbances provided that the dynamics of the linear signal generator are known. We reformulate the output regulation problem as a stability problem, to ensure feasibility, constraint satisfaction, and convergence to the optimal reachable setpoint. The controller is validated on a real fourtank system. |
| title | IMMPC: An Internal Model Based MPC for Rejecting Unknown Disturbances |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2512.05692 |