Event-Based Consensus Control for a Linear Directed Multiagent System With Time Delay
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© 2004-2012 IEEE. By utilizing the event-based control strategy, this brief deals with the consensus problem of a linear directed multiagent system with time delay. In order to avoid the continuous inter-agents communications and frequent controller updates, the control strategy is put forward with an event-triggered function consisting of the measurement error and a threshold based on the neighbors' discrete states. Meanwhile, a time-varying offset is introduced in an event-triggered function with the purpose of excluding the potential Zeno behavior closed to consensus and relaxing the conservative theoretical threshold. Moreover, a sufficient condition is established for ensuring the consensus, and infinite triggers within a finite time are verified to be impossible. Some numerical examples are also provided to demonstrate the feasibility and effectiveness of our theoretical results.
author list (cited authors)
Mu, N., Liao, X., & Huang, T.