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Voltage control for DC microgrid under DoS attacks: A security predictive control approach.

Tongxiang Li1, Xi Wen1, Jing Zhou1

  • 1College of Information Engineering, Zhejiang University of Technology, Hangzhou 310023, China; Zhejiang Provincial United Key Laboratory of Embedded Systems, Hangzhou 310023, China.

ISA Transactions
|May 16, 2025
PubMed
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This study introduces a secure predictive control method to protect DC microgrids from denial-of-service (DoS) attacks. The approach ensures system stability and timely control updates, even during asynchronous cyber threats.

Area of Science:

  • Electrical Engineering
  • Computer Science
  • Cybersecurity

Background:

  • DC microgrids face growing cybersecurity risks from evolving communication technologies.
  • Denial-of-service (DoS) attacks disrupt system access, control signals, and dynamics.
  • Existing mitigation strategies for DoS attacks lack effectiveness in ensuring timely control input updates, impacting system performance.

Purpose of the Study:

  • To propose a secure predictive control approach for DC microgrid voltage control.
  • To address vulnerabilities to two-channel asynchronous DoS attacks.
  • To ensure the asymptotic stability of DC microgrids under these specific cyber threats.

Main Methods:

  • A security transmission scheme is designed to leverage non-attack periods for timely control input updates.
Keywords:
AsynchronousDC MicrogridsDenial-of-service (DoS) attackPredictive controlVoltage control

Related Experiment Videos

  • An improved secure controller is developed using prediction theory and an active compensation mechanism.
  • The controller compensates for packet loss induced by asynchronous DoS attacks.

    • Main Results:

    • The proposed secure transmission scheme ensures timely updates of control inputs.
    • The improved secure controller effectively compensates for packet loss.
    • The combined approach guarantees the asymptotic stability of DC microgrids.

    Conclusions:

    • The developed secure predictive control method enhances the resilience of DC microgrids against asynchronous DoS attacks.
    • The strategy ensures system stability and performance by maintaining timely control.
    • Simulation results validate the effectiveness and performance of the proposed approach.