Switching Frequency Limitation with Finite Control Set Model Predictive Control via Slack Variables
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866913319530528768 |
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| author | Hartmann, Luca M. Karaca, Orcun Dorfling, Tinus Geyer, Tobias |
| author_facet | Hartmann, Luca M. Karaca, Orcun Dorfling, Tinus Geyer, Tobias |
| contents | Past work proposed an extension to finite control set model predictive control to track both a current reference and a switching frequency reference, simultaneously. Such an objective can jeopardize the current tracking performance, and this can potentially be alleviated by instead limiting the switching frequency. To this end, we propose to limit the switching frequency in finite control set model predictive control. The switching frequency is captured with an infinite impulse response filter and bounded by an inequality constraint; its corresponding slack variable is penalized in the cost function. To solve the resulting problem efficiently, a sphere decoder with a computational speed-up is presented. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_05916 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Switching Frequency Limitation with Finite Control Set Model Predictive Control via Slack Variables Hartmann, Luca M. Karaca, Orcun Dorfling, Tinus Geyer, Tobias Optimization and Control Systems and Control Past work proposed an extension to finite control set model predictive control to track both a current reference and a switching frequency reference, simultaneously. Such an objective can jeopardize the current tracking performance, and this can potentially be alleviated by instead limiting the switching frequency. To this end, we propose to limit the switching frequency in finite control set model predictive control. The switching frequency is captured with an infinite impulse response filter and bounded by an inequality constraint; its corresponding slack variable is penalized in the cost function. To solve the resulting problem efficiently, a sphere decoder with a computational speed-up is presented. |
| title | Switching Frequency Limitation with Finite Control Set Model Predictive Control via Slack Variables |
| topic | Optimization and Control Systems and Control |
| url | https://arxiv.org/abs/2312.05916 |