On Detection of False Data in Cooperative DC Microgrids–A Discordant Element Approach

Subham Sahoo*, Jimmy Chih-Hsien Peng, Annavaram Devakumar, Sukumar Mishra, Tomislav Dragicevic

*Corresponding author

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

Though recent advancements in DC microgrids are largely based on distributed control strategies to enhance reliability and scalability, the absence of a centralized controller to check the global information makes these schemes highly susceptible to cyber attacks. Since false data injection attacks (FDIAs) are considered as a prominent attack methodology in DC microgrids, prior emphasis is usually laid on compromised sensors and controllers only related to DC voltages. Hence, this paper firstly segregates the FDIAs on the output currents into destablization and deception attacks, based on the modeling of attack
elements with respect to the consensus theory. Secondly, a discordant element based detection approach is designed to detect the attacked nodes accurately, using an extended analysis of the cooperative control network. A risk assessment framework for DC microgrids against cyber attacks is provided alongside all the case studies. An evaluation theory is also presented to assist the proposed detection scheme to differentiate between cyber attacks and faults. Further, the proposed detection approach is theoretically verified and validated using simulation and experimental conditions.
Original languageEnglish
JournalI E E E Transactions on Industrial Electronics
ISSN0278-0046
DOIs
Publication statusE-pub ahead of print - 5 Sep 2019

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Controllers
Risk assessment
Scalability
Sensors
Electric potential

Keywords

  • DC Microgrid
  • Voltage Control
  • cyber attacks
  • Distributed Control
  • Cyber-Physical Systems
  • False data injection attacks (FDIA)

Cite this

@article{22235fb93a5f42bda98855c874b4b6cb,
title = "On Detection of False Data in Cooperative DC Microgrids–A Discordant Element Approach",
abstract = "Though recent advancements in DC microgrids are largely based on distributed control strategies to enhance reliability and scalability, the absence of a centralized controller to check the global information makes these schemes highly susceptible to cyber attacks. Since false data injection attacks (FDIAs) are considered as a prominent attack methodology in DC microgrids, prior emphasis is usually laid on compromised sensors and controllers only related to DC voltages. Hence, this paper firstly segregates the FDIAs on the output currents into destablization and deception attacks, based on the modeling of attackelements with respect to the consensus theory. Secondly, a discordant element based detection approach is designed to detect the attacked nodes accurately, using an extended analysis of the cooperative control network. A risk assessment framework for DC microgrids against cyber attacks is provided alongside all the case studies. An evaluation theory is also presented to assist the proposed detection scheme to differentiate between cyber attacks and faults. Further, the proposed detection approach is theoretically verified and validated using simulation and experimental conditions.",
keywords = "DC Microgrid, Voltage Control, cyber attacks, Distributed Control, Cyber-Physical Systems, False data injection attacks (FDIA)",
author = "Subham Sahoo and {Chih-Hsien Peng}, Jimmy and Annavaram Devakumar and Sukumar Mishra and Tomislav Dragicevic",
year = "2019",
month = "9",
day = "5",
doi = "10.1109/TIE.2019.2938497",
language = "English",
journal = "I E E E Transactions on Industrial Electronics",
issn = "0278-0046",
publisher = "IEEE",

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On Detection of False Data in Cooperative DC Microgrids–A Discordant Element Approach. / Sahoo, Subham; Chih-Hsien Peng, Jimmy ; Devakumar, Annavaram; Mishra, Sukumar ; Dragicevic, Tomislav.

In: I E E E Transactions on Industrial Electronics, 05.09.2019.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - On Detection of False Data in Cooperative DC Microgrids–A Discordant Element Approach

AU - Sahoo, Subham

AU - Chih-Hsien Peng, Jimmy

AU - Devakumar, Annavaram

AU - Mishra, Sukumar

AU - Dragicevic, Tomislav

PY - 2019/9/5

Y1 - 2019/9/5

N2 - Though recent advancements in DC microgrids are largely based on distributed control strategies to enhance reliability and scalability, the absence of a centralized controller to check the global information makes these schemes highly susceptible to cyber attacks. Since false data injection attacks (FDIAs) are considered as a prominent attack methodology in DC microgrids, prior emphasis is usually laid on compromised sensors and controllers only related to DC voltages. Hence, this paper firstly segregates the FDIAs on the output currents into destablization and deception attacks, based on the modeling of attackelements with respect to the consensus theory. Secondly, a discordant element based detection approach is designed to detect the attacked nodes accurately, using an extended analysis of the cooperative control network. A risk assessment framework for DC microgrids against cyber attacks is provided alongside all the case studies. An evaluation theory is also presented to assist the proposed detection scheme to differentiate between cyber attacks and faults. Further, the proposed detection approach is theoretically verified and validated using simulation and experimental conditions.

AB - Though recent advancements in DC microgrids are largely based on distributed control strategies to enhance reliability and scalability, the absence of a centralized controller to check the global information makes these schemes highly susceptible to cyber attacks. Since false data injection attacks (FDIAs) are considered as a prominent attack methodology in DC microgrids, prior emphasis is usually laid on compromised sensors and controllers only related to DC voltages. Hence, this paper firstly segregates the FDIAs on the output currents into destablization and deception attacks, based on the modeling of attackelements with respect to the consensus theory. Secondly, a discordant element based detection approach is designed to detect the attacked nodes accurately, using an extended analysis of the cooperative control network. A risk assessment framework for DC microgrids against cyber attacks is provided alongside all the case studies. An evaluation theory is also presented to assist the proposed detection scheme to differentiate between cyber attacks and faults. Further, the proposed detection approach is theoretically verified and validated using simulation and experimental conditions.

KW - DC Microgrid

KW - Voltage Control

KW - cyber attacks

KW - Distributed Control

KW - Cyber-Physical Systems

KW - False data injection attacks (FDIA)

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DO - 10.1109/TIE.2019.2938497

M3 - Journal article

JO - I E E E Transactions on Industrial Electronics

JF - I E E E Transactions on Industrial Electronics

SN - 0278-0046

ER -