Volume 96, Number 4, November 2011
|Number of page(s)||6|
|Published online||10 November 2011|
Clustering in multi-agent swarms via medium-range interaction
State Key Laboratory for Turbulence and Complex Systems, College of Engineering, Peking University Beijing 100871, PRC
2 School of Physics, Peking University - Beijing 100871, PRC
Accepted: 4 October 2011
We investigate clustering behavior in mutually interacting agent swarms. Our model consists of identical active particles governed by pairwise attractive and repulsive interactions with different effective ranges. Specifically, in addition to the usual long-range attraction and short-range repulsion, we introduce a medium-range repulsive interaction between particles to break the particle group into clusters. We analyze the effect of the competing interactions on particle radial distribution in space and present both numerical simulations and analytical estimates of the average cluster size, the average nearest-neighboring cluster distance, and the average nearest-neighboring particle distance in the same cluster, in terms of the strength and the extent of the medium-range repulsion. The results are relevant to issues concerning cluster pattern formation control of dynamic multi-agent systems.
PACS: 05.65.+b – Self-organized systems / 87.23.Cc – Population dynamics and ecological pattern formation / 89.75.-k – Complex systems
© EPLA, 2011
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