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传感器网络中的有限频分布式故障检测与内存事件触发方案和欺骗攻击

Peng Cheng¹, Chenxiao Cai², PooGyeon Park³

¹School of Automation, Nanjing University of Science and Technology, Nanjing, China; Department of Electromechanical Engineering, Faculty of Science and Technology, University of Macau, Macau.

ISA transactions

|April 5, 2025

概括

本研究介绍了非线性开关系统的有限频分布式故障检测过器,在网络约束和欺骗攻击下提高了检测速度和准确性.

科学领域:

控制系统工程控制系统工程
网络系统分析网络系统分析
非线性系统动态非线性系统动态

背景情况:

分布式故障检测 (FD) 对于在传感器网络中具有时间变化的延迟的非线性交换系统 (SS) 至关重要.
网络带宽限制和欺骗攻击对传统的FD方法构成重大挑战.

研究的目的:

开发一个有限频率分布式故障检测过器 (FDF) 用于离散时间的非线性SS与时间变化的延迟.
为应对传感器网络,分布式内存事件触发方案 (METS) 和恶意欺骗攻击所带来的挑战.

主要方法:

使用逗留概率方法来描述SSs的切换机制.
使用分布式内存事件触发方案 (METS) 来降低网络负载.
设计每个传感器节点的有限频率分布式FD过器 (FDF),考虑METS和欺骗攻击.
使用线性矩阵不等式 (LMIs) 来推导FDF的存在条件.

主要成果:

拟议的FDF通过利亚普诺夫稳定性分析确保了增强过系统的平均平方稳定性.
过器符合规定的全频H∞和有限频H-水平极限.
对比模拟证实了有限频分布式FDF的性能优于现有的全频解决方案.

结论:

开发的有限频分布式FDF有效地检测传感器网络内的非线性SS的未知故障.
与现有方法相比,FDF提供了更高的速度和准确性,特别是在网络限制和对抗条件下.

关键词:

分布式故障检测分布式故障检测有限频率的有限频率.非线性系统是非线性系统.交换系统的交换系统

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