在通过事件触发的混合攻击下对非线性NCS进行分散的自适应安全控制
IEEE transactions on cybernetics
|May 14, 2025
概括
本研究介绍了非线性网络控制系统 (NCS) 的事件触发控制方案,以确保安全跟踪,尽管传感器和执行器攻击. 这种新的方法提高了系统的安全性和性能,同时降低了数据传输负担.
科学领域:
- 控制工程 控制工程 控制工程
- 网络控制系统 网络控制系统
- 网络安全 网络安全
背景情况:
- 网络控制系统 (NCS) 面临来自恶意传感器和执行器攻击的漏洞.
- 传统的控制方案在不连续的数据传输和未知的时间变化系数的攻击中扎.
研究的目的:
- 为遭受复杂攻击的非线性NCS开发基于事件的安全跟踪控制方案.
- 增强NCS对抗网络威胁的弹性和可靠性.
主要方法:
- 一个经过修改的事件触发 (ET) 控制方案,使用连续函数来抵抗稀疏传感器攻击.
- 一个具有安全数据预选器的高级过器,用于可靠的状态估计.
- 努斯姆功能具有不同的频率,以减轻执行器攻击效应和减少控制更新.
主要成果:
- 拟议的方案有效地抵抗稀疏的传感器攻击,并减轻执行器攻击的影响.
- 可靠的状态估计是通过安全的数据预选器和高阶过器实现的.
- 控制策略确保了闭环系统中所有内部信号的统一边界.
结论:
- 开发的基于事件的安全跟踪控制方案提高了非线性NCS的安全性和性能.
- 这种方法有效地减少了数据传输和处理负载.
- 模拟结果验证了拟议方案在处理恶意攻击方面的效率.
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