通过边界控制方法在DoS攻击下,为PDEs的多代理系统提供安全的共识
1School of Cyber Science and Engineering, Southeast University, Nanjing 210096, China.
ISA transactions
|August 23, 2024
概括
本研究介绍了缓冲区和观察员,以在面临拒绝服务攻击的基于偏微分方程的多代理系统中达成安全共识. 这些方法确保可靠的控制,即使在无法测量的状态.
科学领域:
- 控制理论 控制理论
- 系统工程 系统工程
- 应用数学 应用数学 应用数学
背景情况:
- 多代理系统 (MAS) 对于分布式任务至关重要,但易受拒绝服务 (DoS) 攻击的影响.
- 部分微分方程 (PDEs) 建模复杂的分布式系统,带来独特的共识挑战.
- 现有的共识协议往往缺乏针对DoS攻击等通信中断的稳定性.
研究的目的:
- 开发安全的共识策略,以在DoS攻击下的PDEs为模型,为领导者遵循的MAS制定安全的共识策略.
- 为应对通信道和无法测量的代理状态所带来的挑战.
- 引入新的边界控制方法,以提高系统的弹性.
主要方法:
- 在通信通道中实施缓冲区,以减轻DoS攻击的影响.
- 利用观察者来估计领导者和追随者代理人的无法衡量的状态.
- 设计两个边界控制器:一个使用原始边界信息,另一个使用观察到的状态.
主要成果:
- 尽管有DoS攻击,但在基于PDE的MAS中实现了安全的领导者遵循共识.
- 证明了缓冲区在维护通信完整性的有效性.
- 验证了拟议的控制器处理可测和不可测状态的能力.
- 这项工作代表了在DoS攻击下首次使用基于PDE的MAS的缓冲器.
结论:
- 拟议的边界控制方法有效地确保在DoS攻击下MAS的安全共识.
- 使用缓冲器和观察器为通信受限和状态不可观察的系统提供了强大的解决方案.
- 边界控制提供了一个具有成本效益的方法,通过潜在地减少执行器要求.
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