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<p>This paper addresses the issue of fault estimation in cyber-physical systems. In the presence of cyber-attacks, such as denial-of-service attacks, the transfer of measurements is disrupted through the communication network. This event renders existing fault estimation methods impractical. To overcome this challenge, a novel fault estimation approach based on switching is proposed. In this switching scenario, when a cyber-attack occurs, the gains of the designed observer matrix are set to zero to discard old measurements resulting from denial-of-service attacks. To demonstrate the convergence of the proposed method, linear matrix inequalities are employed, and solving them yields the design gains for the proposed observer. Finally, performance evaluation of the proposed method will be conducted using the simulation of two inverted pendulum systems.</p>

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Fault Estimation Approach for Nonlinear Multi-agent Cyber-Physical Systems Under Cyber Attack Scenarios

  • 期刊论文

  • 发表日期：

    2025年1月8日

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  • V. Jamali,
  • B. Safarinejadian

摘要

This paper addresses the issue of fault estimation in cyber-physical systems. In the presence of cyber-attacks, such as denial-of-service attacks, the transfer of measurements is disrupted through the communication network. This event renders existing fault estimation methods impractical. To overcome this challenge, a novel fault estimation approach based on switching is proposed. In this switching scenario, when a cyber-attack occurs, the gains of the designed observer matrix are set to zero to discard old measurements resulting from denial-of-service attacks. To demonstrate the convergence of the proposed method, linear matrix inequalities are employed, and solving them yields the design gains for the proposed observer. Finally, performance evaluation of the proposed method will be conducted using the simulation of two inverted pendulum systems.