针对传感器和执行器攻击的不确定非线性时间变化的互连系统的分散的自适应安全控制
IEEE transactions on cybernetics
|April 1, 2024
概括
本研究涉及面临欺骗攻击的网络物理系统 (CPS) 的去中心化自适应安全控制. 新的控制策略确保了系统的稳定性和性能,尽管存在不确定性和多重攻击.
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
- 网络化系统 网络化系统
背景情况:
- 网络物理系统 (CPS) 越来越容易受到复杂的欺骗攻击.
- 在具有不确定性的相互连接非线性系统中确保安全和稳定的控制是具有挑战性的.
- 现有的控制策略可能无法充分解决对传感器-执行器通信的多重攻击.
研究的目的:
- 调查多重欺骗攻击下CPS的分散自适应安全控制问题.
- 制定一种新的控制策略,以保证系统的稳定性和性能.
- 分析系统对时间变化的参数和外部干扰的稳定性.
主要方法:
- 提出了一个分散的自适应后退安全控制策略.
- 使用了努斯姆函数和平面区域利亚普诺夫函数分析.
- 控制设计考虑了非线性相互连接的严格反系统动态.
主要成果:
- 所有闭环信号都被证明是具有全球界限的.
- 每个输出信号都会汇聚到源的小邻里.
- 拟议的控制方案通过模拟来证明其有效性.
结论:
- 开发的分散的自适应安全控制策略有效地减轻了CPS中的欺骗攻击.
- 该方法在存在不确定性和多重攻击的情况下确保了系统的稳定性和性能.
- 模拟结果验证了拟议的控制方案的稳定性和有效性.
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