事件触发的自适应有限时间控制使用模糊状态观察器对非线性网络物理系统进行欺骗攻击
IEEE transactions on cybernetics
|July 11, 2024
概括
本研究介绍了面临一般欺骗攻击的非线性网络物理系统 (CPS) 事件触发的自适应有限时间控制策略. 这种新的方法确保了系统稳定性和没有Zeno行为的边界信号,增强了安全性.
科学领域:
- 控制系统工程 控制系统工程
- 网络物理系统安全 网络物理系统安全
- 非线性系统理论 非线性系统理论
背景情况:
- 网络物理系统 (CPS) 容易受到恶意欺骗攻击,损害其稳定性和性能.
- 现有的控制策略通常依赖于关于攻击形式的限制性假设,限制其适用性.
- 对于设计有效的控制机制来说,CPS中国家不可用性构成了重大挑战.
研究的目的:
- 为非线性CPS开发一个新的事件触发的自适应有限时间控制策略.
- 为了解决一个比以前考虑的更普遍的恶意欺骗攻击类别.
- 在攻击条件下确保有限时间稳定性和有限的系统信号.
主要方法:
- 改进的模糊状态观察器的设计,以估计不可用的系统状态.
- 坐标转换的应用,将估计的状态用于系统稳定.
- 构建无奇点的有限时间虚拟控制来规避传统的设计问题.
- 实施相对值事件触发方案,以尽量减少通信开销.
主要成果:
- 拟议的控制策略保证了有限时间内半全球限制的信号.
- 该系统证明了对更一般形式的欺骗攻击的稳定性.
- 事件触发方案有效地减少了通信负载,而不会影响性能.
- 对于开发的控制策略,已证明没有Zeno行为.
结论:
- 开发的由事件触发的自适应有限时间控制策略为CPS提供了增强的安全性和稳定性.
- 模糊状态观察器和无奇点控制设计是关键的创新.
- 该策略通过模拟进行验证,证明其实际适用性.
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