open access

https://hdl.handle.net/2115/90179

Detection of False Data Injection Attacks in Distributed State Estimation of Power Networks

英語

ADMM (Alternating Direction Method of Multipliers)

2023-05-01

IEICE - Institute of the Electronics, Information and Communication Engineers

IEICE transactions on fundamentals of electronics communications and computer sciences

E106A(5)

729-735

In a power network, it is important to detect a cyber attack. In this paper, we propose a method for detecting false data injection (FDI) attacks in distributed state estimation. An FDI attack is well known as one of the typical cyber attacks in a power network. As a method of FDI attack detection, we consider calculating the residual (i.e., the difference between the observed and estimated values). In the proposed detection method, the tentative residual (estimated error) in ADMM (Alternating Direction Method of Multipliers), which is one of the powerful methods in distributed optimization, is applied. First, the effect of an FDI attack is analyzed. Next, based on the analysis result, a detection parameter is introduced based on the residual. A detection method using this parameter is then proposed. Finally, the proposed method is demonstrated through a numerical example on the IEEE 14-bus system.

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