估计员
共识
计算机科学
有界函数
一致性算法
控制理论(社会学)
离散时间和连续时间
信号(编程语言)
多智能体系统
算法
数学
控制(管理)
人工智能
统计
数学分析
程序设计语言
作者
Xi Gao Jian,Zongli Lin,Yan Wan,Y. Shamash
出处
期刊:IEEE Transactions on Network Science and Engineering
[Institute of Electrical and Electronics Engineers]
日期:2023-01-01
卷期号:: 1-14
标识
DOI:10.1109/tnse.2023.3335308
摘要
The dynamic average consensus problem, a group of agents, each associated with a time-varying signal, reaching consensus at the average of these signals by their own distributed estimators that interact with each other through the communication network, finds many applications such as distributed estimation, formation control and sensor fusion. Many distributed estimators have been constructed that achieve either consensus precisely at the average of the signals or around it depending on the properties of the signals. In this paper, we revisit the dynamic average consensus problem in both the continuous-time and discrete-time settings. By utilizing the information on the frequency components of the signals, we construct distributed estimators that achieve accurate consensus at the average of the signals. We further establish that our distributed estimators are robust to the interruption of the network connectivity in the sense that connected subgroups of agents will continue to reach consensus around the average of all signals after an interruption occurs as along as the signals are bounded and the later the interruption occurs the more accurate the consensus will be. Numerical simulation is carried out to illustrate the theoretical results.
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