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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2502.17252 |
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| _version_ | 1866909729862713344 |
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| author | Wang, Bo Ashrafiuon, Hashem Nersesov, Sergey G. |
| author_facet | Wang, Bo Ashrafiuon, Hashem Nersesov, Sergey G. |
| contents | This paper investigates extremum seeking control for a torque-controlled antenna pointing system without direct angular measurements. We consider a two-degree-of-freedom (2-DOF) antenna system that receives an unknown signal from its environment, where the signal strength varies with the antenna orientation. It is assumed that only real-time measurements of the signal are available. We develop an extremum seeking control strategy that enables the antenna to autonomously adjust its direction to maximize the received signal strength based on the symmetric product approximation. Under suitable assumptions on the signal function, we prove local practical uniform asymptotic stability for the closed-loop system. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_17252 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Extremum Seeking Control for Antenna Pointing via Symmetric Product Approximation Wang, Bo Ashrafiuon, Hashem Nersesov, Sergey G. Systems and Control Optimization and Control This paper investigates extremum seeking control for a torque-controlled antenna pointing system without direct angular measurements. We consider a two-degree-of-freedom (2-DOF) antenna system that receives an unknown signal from its environment, where the signal strength varies with the antenna orientation. It is assumed that only real-time measurements of the signal are available. We develop an extremum seeking control strategy that enables the antenna to autonomously adjust its direction to maximize the received signal strength based on the symmetric product approximation. Under suitable assumptions on the signal function, we prove local practical uniform asymptotic stability for the closed-loop system. |
| title | Extremum Seeking Control for Antenna Pointing via Symmetric Product Approximation |
| topic | Systems and Control Optimization and Control |
| url | https://arxiv.org/abs/2502.17252 |