Decentralized Fault-tolerant Resilient Control for Fractional-order Interconnected Systems with Input Saturation

  • Venkatesan Nithya
  • Rathinasamy SakthivelEmail author
  • Faris Alzahrani
  • Yong-Ki MaEmail author


This paper investigates the problem of robust decentralized fault-tolerant resilient control for fractional-order large-scale interconnected uncertain system, and the problem considered here is subject to mixed H and passivity performance constraint, external disturbances, controller perturbations and control input saturation. Based on the Lyapunov approach, the sufficient conditions are derived in terms of linear matrix inequalities to ensure the asymptotic stabilization of the fractional-order large-scale system with a prespecified mixed H and passivity performance index. The main objective of this work is to design a robust decentralized fault-tolerant resilient controller which compensates both actuator fault and input saturation in its design for obtaining the required result. Finally, a numerical example is included to illustrate the effectiveness of the designed control law. The simulation results reveal that our proposed controller not only can effectively deal with actuator faults, but also has very good robustness for input saturation and external disturbances.


Decentralized control fractional-order large-scale systems input saturation mixed H and passivity performance nonlinear actuator fault 


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© ICROS, KIEE and Springer 2019

Authors and Affiliations

  1. 1.Department of Applied MathematicsBharathiar UniversityCoimbatoreIndia
  2. 2.Nonlinear Analysis and Applied Mathematics (NAAM) Research Group, Department of Mathematics, Faculty of ScienceKing Abdulaziz UniversityJeddahSaudi Arabia
  3. 3.Department of Applied MathematicsKongju National UniversityKongjuKorea

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