A zonotopic characterization of cyber-physical system vulnerabilities

被引:7
|
作者
Li, Jitao [1 ,2 ,3 ]
Wang, Zhenhua [2 ]
Shen, Yi [2 ]
Xie, Lihua [3 ]
机构
[1] Harbin Engn Univ, Coll Mech & Elect Engn, Harbin, Peoples R China
[2] Harbin Inst Technol, Sch Astronaut, Harbin 150001, Peoples R China
[3] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore, Singapore
基金
中国国家自然科学基金; 国家重点研发计划;
关键词
cyber-physical system; reachability analysis; security; stealthy attack; FAULT-DETECTION;
D O I
10.1002/rnc.6091
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This article is concerned with the security of a cyber-physical system (CPS) against stealthy attacks. Stealthy attacks are malicious injections into sensor measurements without triggering detectors. We quantify the potential impact of stealthy attacks on system states using zonotopic reachable set. Then, a zonotopic framework is established to characterize the CPS vulnerabilities. Conditions for the existence of vulnerabilities are provided. Moreover, the level of such vulnerabilities is measured via one-sided Hausdorff distance. Finally, numerical simulations are conducted to demonstrate the effectiveness of the proposed method.
引用
收藏
页码:5379 / 5397
页数:19
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