Event-Triggered Control for Consensus Problem in Multi-Agent Systems With Quantized Relative State Measurements and External Disturbance

For decreasing communication load and overcoming network constrains, such as the limited bandwidth and data loss in multi-agent networks, this paper integrates the two control strategies to investigate the bounded consensus problem of multi-agent systems (MASs) with external disturbance on the basis...

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Bibliographic Details
Published in:IEEE transactions on circuits and systems. I, Regular papers Regular papers, 2018-07, Vol.65 (7), p.2232-2242
Main Authors: Wu, Zheng-Guang, Xu, Yong, Pan, Ya-Jun, Su, Housheng, Tang, Yang
Format: Article
Language:English
Subjects:
Bandwidth
consensus
Data loss
Eigenvalues and eigenfunctions
Event triggered control
event-triggered control (ETC)
Feasibility studies
Laplace equations
Multi-agent systems
Multi-agent systems (MASs)
Multiagent systems
Protocol (computers)
Protocols
Synchronization
Topology
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Summary:For decreasing communication load and overcoming network constrains, such as the limited bandwidth and data loss in multi-agent networks, this paper integrates the two control strategies to investigate the bounded consensus problem of multi-agent systems (MASs) with external disturbance on the basis of an undirected graph, namely, the quantized control and the event-triggered control. In the existence of the external disturbance, two types of the high-gain control laws with the uniform quantized relative state measurements for the bounded consensus problem of MASs are first discussed, respectively. Then, in order to save the limited network resources in a multi-agent network, the event-triggered quantized communication protocols are designed based on the first case to obtain the bounded consensus in multi-agent systems. Moreover, it is shown that "Zeno behavior" phenomenon can be excluded under the two event-triggered quantized control mechanisms, and the boundness of the relative state error can be adjusted by selecting the different parameters. Finally, two examples are shown to validate the feasibility and efficiency of our theoretical analysis.
ISSN:1549-8328
1558-0806
DOI:10.1109/TCSI.2017.2777504