基于加密解密的多代理系统的分布式容错共识跟踪控制
Yiliu Liu1, Chun Liu1, Xiaofan Wang1
1School of Mechatronic Engineering and Automation, Shanghai University, Shanghai, 200444, China.
ISA transactions
|August 30, 2024
概括
本研究介绍了多代理系统 (MAS) 的容错共识跟踪策略,该策略可确保安全通信,防止窃听,并使用加密解密策略 (EDS) 补偿执行器故障. 该方法实现了可靠的领导者遵循共识 (LFC),尽管存在系统干扰.
科学领域:
- 控制系统工程 控制系统工程
- 网络化系统 网络化系统
- 网络安全 网络安全
背景情况:
- 多代理系统 (MAS) 由于执行器故障和外部窃听威胁,在实现共识跟踪方面面临挑战.
- 现有的容错控制策略可能无法充分解决在离散时间MAS中的安全问题或通信限制.
研究的目的:
- 为离散时间MAS开发一个耐故障共识跟踪 (FCTC) 协议,该协议对执行器故障和窃听具有稳定性.
- 设计一个去中心化的观察器来估计系统状态和执行器故障.
- 整合加密解密策略 (EDS) 以确保安全通信和故障补偿.
主要方法:
- 模拟执行器故障使用差异方程.
- 为状态和故障估计构建分散的观察员.
- 开发一个分布式的活跃FCTC协议,将加密状态信息和通过EDS估计的故障结合起来.
- 使用兼容的规范,推导控制器,观察员和动态加密密钥标准.
主要成果:
- 拟议的FCTC协议有效地弥补了偏移和漂移执行器故障.
- 保持安全的通信,并缓解通信拥堵.
- 该战略在存在错误和窃听的情况下实现领导者遵循共识 (LFC).
- 模拟结果验证了基于加密解密的分布式FCTC策略的有效性.
结论:
- 开发的分布式FCTC战略增强了离散时间MAS的弹性和安全性.
- 将EDS与故障估计集成为安全的共识跟踪提供了强大的解决方案.
- 这些发现有助于推进网络系统的安全和可靠控制.
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