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Observer-based false data injection attack resilient event-triggered control of microgrid load frequency control

Athira M Mohan1, Nader Meskin1

  • 1Department of Electrical Engineering, Qatar University, Doha, Qatar.

ISA Transactions
|May 28, 2025
PubMed
Summary
This summary is machine-generated.

This study introduces a resilient control strategy to protect islanded microgrid load frequency control systems from false data injection attacks. The proposed method enhances system stability and communication efficiency against cyber threats.

Keywords:
Event-triggered communicationFDI attack resilienceObserver-based controlRegional pole placement

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Area of Science:

  • Electrical Engineering
  • Control Systems
  • Cybersecurity

Background:

  • Islanded microgrids require robust load frequency control (LFC) for stability.
  • False data injection (FDI) attacks pose a significant threat to LFC systems.
  • Existing control strategies may lack resilience against sophisticated cyberattacks.

Purpose of the Study:

  • To develop a secondary attack resilient observer-based event-triggered control (AROETC) strategy.
  • To enhance the resilience of microgrid LFC against FDI attacks on secondary measurement channels.
  • To ensure communication efficiency and system stability under cyber threats.

Main Methods:

  • Utilizing a regional pole placement (RPP)-based state feedback auxiliary controller for virtual inertia (VI) control.
  • Designing a secondary observer and controller using Lyapunov-Krasovskii functional stability analysis.
  • Implementing an event-triggered condition for communication efficiency.

Main Results:

  • The proposed AROETC strategy demonstrates resilience against FDI attacks.
  • The VI control loop achieves desired performance through RPP-based tuning.
  • Simulation analysis validates the efficacy of the AROETC method under various disturbances.

Conclusions:

  • The developed AROETC strategy effectively counters FDI attacks in islanded microgrid LFC.
  • The approach ensures system stability and communication efficiency.
  • The study highlights the importance of resilient control in smart grid cybersecurity.