Harnessing swarms for directed migration of interacting active particles via optimal global control
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866911297954643968 |
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| author | Calascibetta, Chiara Giraldi, Laëtitia Bec, Jérémie |
| author_facet | Calascibetta, Chiara Giraldi, Laëtitia Bec, Jérémie |
| contents | This study investigates the use of global control strategies to enhance the directed migration of swarms of interacting self-propelled particles confined in a channel. Uncontrolled dynamics naturally leads to wall accumulation, clogging, and band formation due to the interplay between self-organization and confinement. This work explores whether a uniform global control, such as magnetic field acting on all particles, can optimize collective transport. Using a discrete Vicsek-like model, it is found that simple global alignment controls, optimized via reinforcement learning, efficiently suppress unfavorable configurations and significantly increase the net particle flux along a prescribed channel direction. These results highlight that coarse, system-level observations are sufficient to achieve near-optimal control, even in regimes with strong fluctuations or partial ordering. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_02627 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Harnessing swarms for directed migration of interacting active particles via optimal global control Calascibetta, Chiara Giraldi, Laëtitia Bec, Jérémie Soft Condensed Matter This study investigates the use of global control strategies to enhance the directed migration of swarms of interacting self-propelled particles confined in a channel. Uncontrolled dynamics naturally leads to wall accumulation, clogging, and band formation due to the interplay between self-organization and confinement. This work explores whether a uniform global control, such as magnetic field acting on all particles, can optimize collective transport. Using a discrete Vicsek-like model, it is found that simple global alignment controls, optimized via reinforcement learning, efficiently suppress unfavorable configurations and significantly increase the net particle flux along a prescribed channel direction. These results highlight that coarse, system-level observations are sufficient to achieve near-optimal control, even in regimes with strong fluctuations or partial ordering. |
| title | Harnessing swarms for directed migration of interacting active particles via optimal global control |
| topic | Soft Condensed Matter |
| url | https://arxiv.org/abs/2512.02627 |