In this paper, the problem of event-triggered consensus for linearcontinuous-time multi-agent systems is investigated. A new event-triggeredconsensus protocol based on a predictor is proposed to achieve consensuswithout continuous communication among agents. In the proposed consensusprotocol, each agent only needs to monitor its states to determine itsevent-triggered instants. When an event is triggered, the agent will update itsconsensus protocol and sent its state information to its neighbors. Inaddition, the agent will also update its consensus protocol and the predictorwhen it receives the state information from its neighbors. A necessary andsufficient condition that the consensus problem can be solved is derived.Moreover, it is proved that Zeno behavior does not exist. Finally, a numericalexample is given to illustrate that the protocol proposed in this paper canmake the multi-agent systems achieve consensus through much fewerevent-triggered times.
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