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| Natura: | Preprint |
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2024
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| Accesso online: | https://arxiv.org/abs/2404.01000 |
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| _version_ | 1866929299508953088 |
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| author | Hsia, Chun-Hsiung Tsai, Chung-En |
| author_facet | Hsia, Chun-Hsiung Tsai, Chung-En |
| contents | When modeling the classical Kuramoto model, one of the key features is the tendency to synchronize. Accordingly, the most well-adopted choice of the coupling function is the sine function. Due to the oddness of the sine function, the synchronized frequency would be the average of all the natural frequencies. In this article, we study the synchronization behaviors of the Kuramoto model with a pure competition coupling function. Namely, instead of the sine function, we choose $\max \{0, \sin θ\}$ to be the coupling function. This indicates the relation of pure competition between oscillators. We prove asymptotical phase synchronization for identical oscillators and asymptotical frequency synchronization for non-identical oscillators under reasonable sufficient conditions. In particular, under our sufficient conditions, the synchronized frequency is the maximal frequency of all the natural frequencies. On the other hand, in the parameter regime which is out of the scope of the analysis of our theorems, it is possible that the synchronized frequency could be larger than the maximal frequency of the natural frequencies of all the oscillators. In this article, we also provide numerical experiments to support the analysis of our theorem and to demonstrate the aforementioned phenomenon. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_01000 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | On the Synchronization Analysis of a Strong Competition Kuramoto Model Hsia, Chun-Hsiung Tsai, Chung-En Dynamical Systems When modeling the classical Kuramoto model, one of the key features is the tendency to synchronize. Accordingly, the most well-adopted choice of the coupling function is the sine function. Due to the oddness of the sine function, the synchronized frequency would be the average of all the natural frequencies. In this article, we study the synchronization behaviors of the Kuramoto model with a pure competition coupling function. Namely, instead of the sine function, we choose $\max \{0, \sin θ\}$ to be the coupling function. This indicates the relation of pure competition between oscillators. We prove asymptotical phase synchronization for identical oscillators and asymptotical frequency synchronization for non-identical oscillators under reasonable sufficient conditions. In particular, under our sufficient conditions, the synchronized frequency is the maximal frequency of all the natural frequencies. On the other hand, in the parameter regime which is out of the scope of the analysis of our theorems, it is possible that the synchronized frequency could be larger than the maximal frequency of the natural frequencies of all the oscillators. In this article, we also provide numerical experiments to support the analysis of our theorem and to demonstrate the aforementioned phenomenon. |
| title | On the Synchronization Analysis of a Strong Competition Kuramoto Model |
| topic | Dynamical Systems |
| url | https://arxiv.org/abs/2404.01000 |