Consensus analysis of multiagent systems with second-order nonlinear dynamics and general directed topology: An event-triggered scheme

被引:46
作者
Li, Huaqing [1 ,2 ]
Chen, Guo [2 ,3 ]
Dong, Zhaoyang [2 ]
Xia, Dawen [4 ]
机构
[1] Southwest Univ, Coll Elect & Informat Engn, Chongqing 400715, Peoples R China
[2] Univ Sydney, Sch Elect & Informat Engn, Sydney, NSW 2006, Australia
[3] Univ Newcastle, Sch Elect Engn & Comp Sci, Newcastle, NSW 2308, Australia
[4] Guizhou Minzu Univ, Sch Informat Engn, Guiyang 550025, Peoples R China
基金
澳大利亚研究理事会;
关键词
Event-triggered control; Multiagent systems; Consensus; Nonlinear dynamics; General topology; LEADER-FOLLOWING CONSENSUS; COMMUNICATION DELAYS; TRACKING CONTROL; NETWORKS; SYNCHRONIZATION; STRATEGY; SEEKING; AGENTS;
D O I
10.1016/j.ins.2016.01.088
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Event-triggered sampling control is motivated by the application of embedded microprocessors equipped in the agents with limited computation and storage resources. This paper studies the global consensus in second-order multi-agent systems with the inherent non-linear dynamics on general directed networks using decentralized event-triggered strategy. For each agent, only utilizing local and current sampling data, the update of controllers is event-based and only triggered at their own event times. A high-performance sampling event that only needs neighbors' states at their own discrete time instants is presented. Furthermore, we introduce two kinds of general algebraic connectivity for strongly connected networks and strongly connected components of directed networks containing a spanning tree to describe the system's ability to reach consensus. A detailed theoretical analysis on consensus is performed and two criteria are derived by the virtues of algebraic graph theory, matrix theory, and Lyapunov control approach. It is shown that the continuous communication between neighboring agents can be avoided and the Zeno-behavior of triggered time sequence is excluded during the system's whole working process. In addition, numerical simulation is given to illustrate the effectiveness of the theoretical results. (C) 2016 Elsevier Inc. All rights reserved.
引用
收藏
页码:598 / 622
页数:25
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