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Co-design of dynamic event-triggered mechanism and observer-based control for networked systems under hybrid cyber attacks: A GA-LMI-based approach.

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Title: Co-design of dynamic event-triggered mechanism and observer-based control for networked systems under hybrid cyber attacks: A GA-LMI-based approach.
Authors: Yu, Tao1 (AUTHOR) yutao16@mail.ustc.edu.cn, Wang, Zhanpeng1 (AUTHOR) wa23201054@stu.ahu.edu.cn, Wu, Zhiying1,2,3 (AUTHOR) wzy100@mail.ustc.edu.cn
Source: ISA Transactions. Feb2026, Vol. 169, p165-178. 14p.
Subjects: Observability (Control theory), Stability of nonlinear systems, Cooperative control systems, Cyberterrorism, Concurrent engineering, Robust control
Abstract: This paper presents a co-design framework for an observer-based controller and a dynamic event-triggered mechanism (DETM) in networked control systems subject to hybrid cyber attacks. The hybrid attacks, including false data injection and replay attacks, are modeled using two independent Bernoulli processes. To reduce the network load a DETM is introduced between the sensor and controller with limited communication bandwidth. The closed-loop system's stability and H ∞ performance are ensured through the derivation of nonlinear matrix inequalities. To address the nonlinear coupling in the co-design conditions, a variable transformation and matrix decomposition approach are employed to decouple the controller gains. However, this method relies on predefined DETM parameters, which may limit design flexibility. To overcome this issue a GA-LMI-based co-design algorithm is proposed to jointly optimize the controller and DETM parameters. Simulation results demonstrate that the proposed method achieves better H ∞ performance compared to some existing approaches. The effectiveness and low conservatism of the method are further validated through its application to a buck DC-DC converter system under hybrid cyber attacks. • This paper studies the dynamic event-triggered control (DETC) for networked control systems subject to hybrid cyber attacks. • We consider the co-design problem of DETC parameters and controllers under hybrid attacks to achieve better system performance. • A GA-LMI algorithm is proposed to solve nonlinear stability conditions and jointly optimize control and DETC design. [ABSTRACT FROM AUTHOR]
Copyright of ISA Transactions is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 191382611
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PubTypeId: academicJournal
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  Label: Title
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  Data: Co-design of dynamic event-triggered mechanism and observer-based control for networked systems under hybrid cyber attacks: A GA-LMI-based approach.
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  Data: <searchLink fieldCode="AR" term="%22Yu%2C+Tao%22">Yu, Tao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> yutao16@mail.ustc.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Zhanpeng%22">Wang, Zhanpeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> wa23201054@stu.ahu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Wu%2C+Zhiying%22">Wu, Zhiying</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<i> wzy100@mail.ustc.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22ISA+Transactions%22">ISA Transactions</searchLink>. Feb2026, Vol. 169, p165-178. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Observability+%28Control+theory%29%22">Observability (Control theory)</searchLink><br /><searchLink fieldCode="DE" term="%22Stability+of+nonlinear+systems%22">Stability of nonlinear systems</searchLink><br /><searchLink fieldCode="DE" term="%22Cooperative+control+systems%22">Cooperative control systems</searchLink><br /><searchLink fieldCode="DE" term="%22Cyberterrorism%22">Cyberterrorism</searchLink><br /><searchLink fieldCode="DE" term="%22Concurrent+engineering%22">Concurrent engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Robust+control%22">Robust control</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This paper presents a co-design framework for an observer-based controller and a dynamic event-triggered mechanism (DETM) in networked control systems subject to hybrid cyber attacks. The hybrid attacks, including false data injection and replay attacks, are modeled using two independent Bernoulli processes. To reduce the network load a DETM is introduced between the sensor and controller with limited communication bandwidth. The closed-loop system's stability and H ∞ performance are ensured through the derivation of nonlinear matrix inequalities. To address the nonlinear coupling in the co-design conditions, a variable transformation and matrix decomposition approach are employed to decouple the controller gains. However, this method relies on predefined DETM parameters, which may limit design flexibility. To overcome this issue a GA-LMI-based co-design algorithm is proposed to jointly optimize the controller and DETM parameters. Simulation results demonstrate that the proposed method achieves better H ∞ performance compared to some existing approaches. The effectiveness and low conservatism of the method are further validated through its application to a buck DC-DC converter system under hybrid cyber attacks. • This paper studies the dynamic event-triggered control (DETC) for networked control systems subject to hybrid cyber attacks. • We consider the co-design problem of DETC parameters and controllers under hybrid attacks to achieve better system performance. • A GA-LMI algorithm is proposed to solve nonlinear stability conditions and jointly optimize control and DETC design. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of ISA Transactions is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.isatra.2026.01.008
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      – Code: eng
        Text: English
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        PageCount: 14
        StartPage: 165
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      – SubjectFull: Observability (Control theory)
        Type: general
      – SubjectFull: Stability of nonlinear systems
        Type: general
      – SubjectFull: Cooperative control systems
        Type: general
      – SubjectFull: Cyberterrorism
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      – SubjectFull: Concurrent engineering
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      – SubjectFull: Robust control
        Type: general
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      – TitleFull: Co-design of dynamic event-triggered mechanism and observer-based control for networked systems under hybrid cyber attacks: A GA-LMI-based approach.
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            NameFull: Yu, Tao
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            NameFull: Wang, Zhanpeng
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            NameFull: Wu, Zhiying
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            – D: 01
              M: 02
              Text: Feb2026
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              Y: 2026
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