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对网络物理系统的攻击检测和主动攻击防御,通过Zonotopic Observer和可访问性分析来实现
IEEE transactions on cybernetics
|March 13, 2026
概括
本研究引入了用于检测和防御网络物理系统 (CPS) 攻击的新方法. 这种方法可以提高系统安全性,而不会造成性能损失,这对于自动驾驶系统至关重要.
科学领域:
- 网络物理系统安全 网络物理系统安全
- 控制理论 控制理论
- 检测和诊断故障的检测和诊断.
背景情况:
- 网络物理系统 (CPS) 面临着来自执行器和传感器攻击的越来越多的威胁.
- 不知但有界的 (UBB) 干扰和噪音使攻击的检测和防御复杂化.
- 现有的方法往往难以同时处理状态估计和攻击检测.
研究的目的:
- 为离散时间线性CPS开发强大的攻击检测和主动防御策略.
- 在不确定性下同时估计系统状态和执行器攻击.
- 为了减轻传感器和执行器攻击对系统性能的影响.
主要方法:
- 一个新的zonotopic观测器,结合增强和H-无限技术来估计状态和执行器攻击.
- 设定值和基于残留的异常探测器使用可达性分析.
- 一个基于状态可达集和H-无限控制的积极攻击防御机制.
主要成果:
- 同时估计系统状态和执行器攻击.
- 有效检测执行器和传感器攻击.
- 一种积极的防御策略,在没有攻击的情况下保持系统性能.
结论:
- 提出的方法为CPS中攻击检测和防御提供了一种优越的方法.
- 这些技术通过数值模拟和自主飞机系统来验证.
- 这项工作提升了网络物理系统对复杂攻击的弹性.
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