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Completely Event-Triggered Consensus for Multiagent Systems With Directed Switching Topologies
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DOI：10.1109/TCYB.2021.3052988.png)
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Abstract
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This article studies the leader-following consensus of multiagent systems (MASs) with completely event-triggered mechanisms (CETMs) and directed switching topologies. When most event-triggered schemes in MASs only reduce each agent's data transmissions to neighbor agents, CETMs further reduce data transmissions to actuators with one triggered function in each agent. To guarantee the switching links utilized by CETMs contain a directed spanning tree at any time, triggered decisions are improved to include the instants at which each agent's output links or leader link change. Furthermore, a less conservative method based on matrix inequalities is combined to minimize the allowable average dwell time (ADT) of switching topologies under the design conditions of CETMs. Based on multiple Lyapunov functions (MLFs), the sufficient conditions for controller gains that guarantee the leader-following consensus of MASs are proposed when the ADT of switching topologies is larger than the allowable value. Finally, an example of autonomous underwater vehicles (AUVs) is given to illustrate the effectiveness of CETMs.
Keywords:
Topology
Switches
Network topology
Actuators
Linear matrix inequalities
Laplace equations
Data communication
Completely event-triggered mechanisms (CETMs)
directed switching topologies
leader-following consensus
multiagent systems (MASs)
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