线性多智能体系统的自适应动态事件触发一致性
Adaptive Dynamic Event-Triggered Consensus of Linear Multi-Agent Systems
摘要: 本文研究了一般线性多智能体系统的自适应动态事件触发一致性问题。通过提出一种分布式自适应事件触发控制协议,有效避免了对网络拓扑全局信息的依赖,降低了通信频率。在给出的事件触发条件中,为每个智能体引入一个辅助函数来动态调节其阈值。与传统的静态阈值相比,动态阈值能够保证更少的事件触发时刻。首先,通过模型变换,将多智能体系统的一致性问题转化为相应误差系统的稳定性问题。进一步,利用代数图论和Lyapunov稳定性理论,得到了多智能体系统达到一致的充分性判据。同时,证明了在所提出的事件触发条件下,能够有效地排除Zeno行为。最后,通过仿真实例验证了理论结果的有效性。
Abstract: This paper is concerned with adaptive dynamic event-triggered consensus of general linear multi-agent systems. The dependence on the global information of network topology can be avoided and the communication frequency can be reduced by proposing a distributed adaptive event-triggered control protocol. In the event-triggered condition, an auxiliary function is intro-duced for each agent to regulate its threshold dynamically. Compared with the traditional static threshold, the dynamic one can ensure less event-triggered instants. First, by model transformation, the consensus problem of multi-agent systems is transformed into the stability problem of the corresponding error systems. Furthermore, by using algebraic graph theory and Lyapunov stability theory, some sufficient criteria for multi-agent systems to achieve consensus are obtained. Meanwhile, it is proved that the proposed event-triggered conditions can exclude Zeno behavior effectively. One simulation example is provided to validate the effectiveness of obtained theoretical results.
文章引用:田昌源, 刘开恩, 崔丹丹. 线性多智能体系统的自适应动态事件触发一致性[J]. 理论数学, 2021, 11(11): 1770-1780. https://doi.org/10.12677/PM.2021.1111200

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