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Adaptive fault-tolerant output regulation of linear systems with unknown dynamics and actuator faults

Author

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  • Ma, Dazhong
  • Wang, Tianbiao
  • Zhang, Huaguang
  • Xie, Xiangpeng

Abstract

In this paper, the adaptive fault-tolerant output regulation for the system with unknown dynamics is considered. Firstly, a data-driven algorithm is proposed to identify the system dynamics by solving the Riccati equation. Due to unneeded to solve the optimal controller, the iterative process of the algorithm is reduced. Based on the identified model, an adaptive controller is designed to compensate for the actuator faults which include both outage and loss-of-effectiveness faults. Moreover, the internal model of the exosystem is embedded in the adaptive fault-tolerant controller which can stabilize the system whether the actuator faults hold or not. Finally, the numerical simulation result shows the effectiveness of the proposed controller.

Suggested Citation

  • Ma, Dazhong & Wang, Tianbiao & Zhang, Huaguang & Xie, Xiangpeng, 2021. "Adaptive fault-tolerant output regulation of linear systems with unknown dynamics and actuator faults," Applied Mathematics and Computation, Elsevier, vol. 402(C).
    • Handle: RePEc:eee:apmaco:v:402:y:2021:i:c:s0096300321001806
    DOI: 10.1016/j.amc.2021.126132
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    References listed on IDEAS

    as
    1. Khan, Wakeel & Lin, Yan & Ullah Khan, Sarmad & Ullah, Nasim, 2018. "Quantized adaptive decentralized control for interconnected nonlinear systems with actuator faults," Applied Mathematics and Computation, Elsevier, vol. 320(C), pages 175-189.
    2. Wang, Yuanqing & Xu, Ning & Liu, Yajuan & Zhao, Xudong, 2021. "Adaptive fault-tolerant control for switched nonlinear systems based on command filter technique," Applied Mathematics and Computation, Elsevier, vol. 392(C).
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    Cited by:

    1. Xie, Xiangpeng & Shen, Xicheng & Peng, Chen, 2022. "Relaxed stabilization synthesis of discrete-time nonlinear systems with uplink data loss based on a novel online evaluation mechanism," Applied Mathematics and Computation, Elsevier, vol. 421(C).

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