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Improving consensual performance of multi-agent systems in weighted scale-free networks

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【Author】 Qi Wei a) , Xu Xin-Jian b), and Wang Ying-Hai a) a)Institute of Theoretical Physics, Lanzhou University, Lanzhou 730000, China b)Department of Mathematics, Shanghai University, Shanghai 200444, China

【机构】 Institute of Theoretical Physics, Lanzhou University； Department of Mathematics, Shanghai University；

【摘要】 This paper studies consensus problems in weighted scale-free networks of asymmetrically coupled dynamical units, where the asymmetry in a given link is determined by the relative degree of the involved nodes. It shows that the asymmetry of interactions has a great effect on the consensus. Especially, when the interactions are dominant from higher- to lower-degree nodes, both the convergence speed and the robustness to communication delay are enhanced.更多还原

【Abstract】 This paper studies consensus problems in weighted scale-free networks of asymmetrically coupled dynamical units, where the asymmetry in a given link is determined by the relative degree of the involved nodes. It shows that the asymmetry of interactions has a great effect on the consensus. Especially, when the interactions are dominant from higher- to lower-degree nodes, both the convergence speed and the robustness to communication delay are enhanced.更多还原

【关键词】 consensus problems； multi-agent systems； scale-free networks；
【Key words】 consensus problems； multi-agent systems； scale-free networks；

【基金】 Project supported by the National Natural Science Foundation of China (Grant Nos 10775060 and 10805033);the Doctoral Education Foundation of National Education Committee;the Natural Science Foundation of Gansu Province

【文献出处】 Chinese Physics B ,中国物理B , 编辑部邮箱 ,2009年10期

【分类号】O415.3
【下载频次】17

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