Conference paper Open Access

Distributed Cyber-Attack Detection in the Secondary Control of DC Microgrids

Gallo, Alexander J.; Turan, Mustafa S.; Nahata, Pulkit; Boem, Francesca; Parisini, Thomas; Ferrari-Trecate, Giancarlo

The paper considers the problem of detecting cyber-attacks occurring in communication networks typically used in the secondary control layer of DC microgrids. The proposed distributed methodology allows for scalable monitoring of a microgrid and is able to detect the presence of data injection attacks in the communications among Distributed Generation Units (DGUs) - governed by consensus-based control - and isolate the communication link over which the attack is injected. Each local attack detector requires limited knowledge regarding the dynamics of its neighbors. Detectability properties of the method are analyzed, as well as a class of undetectable attacks. Some results from numerical simulation are presented to demonstrate the effectiveness of the proposed approach.

2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. A. J. Gallo, M. S. Turan, P. Nahata, F. Boem, T. Parisini, and G. Ferrari-Trecate, "Distributed Cyber-Attack Detection in the Secondary Control of DC Microgrids," European Control Conference (ECC), Limassol, Cyprus, June 2018, pp. 344-349. doi: 10.23919/ECC.2018.8550549.
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