在外国直接投资 (FDI) 攻击下的非线性系统,扩大了基于国家观察员的后退控制
Ning Xu1, Huiling Xu1, Zhiping Lin2
1School of Mathematics and Statistics, Nanjing University of Science and Technology, Nanjing, 210094, China.
ISA transactions
|February 19, 2025
概括
本研究引入了针对面临虚假数据注入 (FDI) 攻击的非线性系统的新控制方法. 拟议的基于观察者的后退控制估计了状态和攻击,确保了系统稳定性和准确的跟踪.
科学领域:
- 控制系统工程 控制系统工程
- 非线性系统分析 非线性系统分析
- 控制网络安全的控制
背景情况:
- 严格反的非线性系统容易受到未测量的状态动态的影响.
- 假数据注入 (FDI) 攻击对系统安全和性能构成重大威胁.
- 现有的控制策略可能无法充分解决同时进行状态估计和攻击缓解的问题.
研究的目的:
- 为在外国直接投资攻击下对非线性系统开发强大的控制方案.
- 同时估计未测量的状态,并检测/补偿外国直接投资的攻击.
- 确保闭环系统的稳定性和性能,尽管存在安全威胁.
主要方法:
- 新型扩展状态观察器 (ESO) 的设计,用于在线状态和攻击估计.
- 开发一个与ESO集成的后退控制策略.
- 实现一个带有攻击补偿机制的输出反跟踪控制器.
主要成果:
- 拟议的方案保证了闭环系统的半全球均最终边界性.
- 观察错误被证明是可调整到任意小的值.
- 追踪错误汇聚到源地的一个小邻里,证明了有效的控制.
结论:
- 基于国家观察员的新型扩展后退控制有效地解决非线性系统中的外国直接投资攻击.
- 拟议的方法确保了系统稳定性和准确的状态跟踪,即使在未测量的状态.
- 模拟示例证实了开发的控制策略的实际有效性和稳定性.
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