Research on fixed-time time-varying formation of heterogeneous multi-agent systems based on tracking error observer under DoS attacks

IF 5.1 2区 工程技术 Q1 Engineering Defence Technology Pub Date : 2024-07-30 DOI:10.1016/j.dt.2024.07.014
Jiqing Luo, Husheng Fang, Yue Zhong, Jing Zhang, Shengli Song
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Abstract

In this paper, the fixed-time time-varying formation of heterogeneous multi-agent systems (MASs) based on tracking error observer under denial-of-service (DoS) attacks is investigated. Firstly, the dynamic pinning strategy is used to reconstruct the communication channel for the system that suffers from DoS attacks to prevent the discontinuous transmission information of the communication network from affecting MASs formation. Then, considering that the leader state is not available to each follower under DoS attacks, a fixed-time distributed observer without velocity information is constructed to estimate the tracking error between followers and the leader. Finally, adaptive radial basis function neural network (RBFNN) is used to approximate the unknown ensemble disturbances in the system, and the fixed-time time-varying formation scheme is designed with the constructed observer. The effectiveness of the proposed control algorithm is demonstrated by the numerical simulation.
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DoS 攻击下基于跟踪误差观测器的异构多代理系统定时时变编队研究
本文研究了在拒绝服务(DoS)攻击下,基于跟踪误差观测器的异构多代理系统(MAS)的定时时变形成。首先,采用动态销钉策略为遭受 DoS 攻击的系统重建通信信道,防止通信网络传输信息不连续影响 MAS 的形成。然后,考虑到在 DoS 攻击下每个跟随者无法获得领导者的状态,构建了一个没有速度信息的固定时间分布式观测器来估计跟随者与领导者之间的跟踪误差。最后,使用自适应径向基函数神经网络(RBFNN)来近似系统中的未知集合干扰,并利用构建的观测器设计定时时变编队方案。数值仿真证明了所提控制算法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Defence Technology
Defence Technology Engineering-Computational Mechanics
CiteScore
7.50
自引率
7.80%
发文量
1248
审稿时长
22 weeks
期刊介绍: Defence Technology, sponsored by China Ordnance Society, is published quarterly and aims to become one of the well-known comprehensive journals in the world, which reports on the breakthroughs in defence technology by building up an international academic exchange platform for the defence technology related research. It publishes original research papers having direct bearing on defence, with a balanced coverage on analytical, experimental, numerical simulation and applied investigations. It covers various disciplines of science, technology and engineering.
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