| INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
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Visual perception and density-sensitive interaction in active agent system |
| Fei Meng(孟飞)1,†, Weiqiang Ma(马维强)1, Run Cheng(程润)2,á, and Jun Wang(王骏)1,§ |
1 National Laboratory of Solid State Microstructure, Collaborative Innovation Center of Advanced Microstructures and School of Physics, Nanjing University, Nanjing 210093, China;
2 Physics Department of Basic Department, Army Engineering University of PLA, Nanjing 211101, China |
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Abstract This study extends the self-propelled particle (SPP) model by incorporating a limited vision cone and local density sensing. The results reveal that clusters can simultaneously exhibit velocity polarization and spatial cohesion within specific ranges of vision angle and density threshold. The dependence of the dynamical features, including the order parameter and density variation, on the threshold and visual cone is investigated. Furthermore, a critical threshold is identified, which governs the transition between ordered and disordered states and is closely linked to density fluctuations and noise intensity. The clustering results show that the model is explained by the chasing mechanism responsible for cluster formation, density, and shape. These results may stimulate practical applications in swarm maneuvering.
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Received: 15 May 2025
Revised: 01 July 2025
Accepted manuscript online: 28 July 2025
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PACS:
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87.15.Zg
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(Phase transitions)
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89.75.Fb
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(Structures and organization in complex systems)
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05.65.+b
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(Self-organized systems)
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87.85.St
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(Robotics)
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| Fund: Project supported by the Postgraduate Research & Practice Innovation Program of Jiangsu Province (Grant No. KYCX24_0139). R. C. was funded by the Youth Independent Innovation Fund of PLA Army Engineering University (Grant No. KYJBJKQTZQ23006). |
Corresponding Authors:
Fei Meng, Run Cheng, Jun Wang
E-mail: 602023220052@smail.nju.edu.cn;DG20220011@smail.nju.edu.cn;wangj@nju.edu.cn
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Cite this article:
Fei Meng(孟飞), Weiqiang Ma(马维强), Run Cheng(程润), and Jun Wang(王骏) Visual perception and density-sensitive interaction in active agent system 2026 Chin. Phys. B 35 018702
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