On discount functions for economic model predictive control without terminal conditions
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arXiv
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| Hauptverfasser: | , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866909534644076544 |
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| author | Schwenkel, Lukas Briem, Daniel Müller, Matthias A. Allgöwer, Frank |
| author_facet | Schwenkel, Lukas Briem, Daniel Müller, Matthias A. Allgöwer, Frank |
| contents | In this paper, we investigate discounted economic model predictive control (E-MPC) schemes without terminal conditions in scenarios where the optimal operating behavior is a periodic orbit. For such a setting, it is known that a linearly discounted stage cost guarantees asymptotic stability of any arbitrarily small neighborhood of the optimal orbit if the prediction horizon is sufficiently long. However, in some examples very long prediction horizons are needed to achieve the desired performance. In this work, we extend these results by providing the same qualitative stability guarantees for a large class of discount functions. Numerical examples illustrate the influence of the discount function and show that with suitable discounting we can achieve significantly better performance than the linearly discounted E-MPC, even for short prediction horizons. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_14361 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | On discount functions for economic model predictive control without terminal conditions Schwenkel, Lukas Briem, Daniel Müller, Matthias A. Allgöwer, Frank Optimization and Control Systems and Control In this paper, we investigate discounted economic model predictive control (E-MPC) schemes without terminal conditions in scenarios where the optimal operating behavior is a periodic orbit. For such a setting, it is known that a linearly discounted stage cost guarantees asymptotic stability of any arbitrarily small neighborhood of the optimal orbit if the prediction horizon is sufficiently long. However, in some examples very long prediction horizons are needed to achieve the desired performance. In this work, we extend these results by providing the same qualitative stability guarantees for a large class of discount functions. Numerical examples illustrate the influence of the discount function and show that with suitable discounting we can achieve significantly better performance than the linearly discounted E-MPC, even for short prediction horizons. |
| title | On discount functions for economic model predictive control without terminal conditions |
| topic | Optimization and Control Systems and Control |
| url | https://arxiv.org/abs/2405.14361 |