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Observer-based adaptive event-triggered control method for input-saturated systems

Author

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  • Adloo, Hassan
  • Shafiei, Mohammad Hossein

Abstract

This paper presents an adaptive event-triggered control method for linear systems subject to input saturation. At the first, using convex hull properties, an observer-based controller is designed and then a generalized event-triggering mechanism is regarded. In order to extend more time interval between any two successive events, an adaptive event-triggered control method is also proposed. The proposed control methodology is based on finite-gain L2 stability. It is noteworthy that the proposed methods are designed in a co-design framework where the observer-based controller design with the event-triggering mechanisms are performed at the same time. Moreover, the presented adaptive approach offers more degrees of freedom as well as preserves the performance criteria high. Besides, Zeno avoidance analysis is studied by introducing a lower bound on inter-event times. Finally, the efficiency of the proposed methods is shown through a case-study numerical example.

Suggested Citation

  • Adloo, Hassan & Shafiei, Mohammad Hossein, 2023. "Observer-based adaptive event-triggered control method for input-saturated systems," Applied Mathematics and Computation, Elsevier, vol. 458(C).
    • Handle: RePEc:eee:apmaco:v:458:y:2023:i:c:s0096300323004046
    DOI: 10.1016/j.amc.2023.128235
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    References listed on IDEAS

    as
    1. Zhiqiang Zuo & Yuanyuan Li & Yijing Wang & Hongchao Li, 2018. "Event-triggered control for switched systems in the presence of actuator saturation," International Journal of Systems Science, Taylor & Francis Journals, vol. 49(7), pages 1478-1490, May.
    2. Zhang, Xiaoli & Yi, Yang & Shen, Mouquan & Wang, Qin, 2022. "Event-triggered anti-disturbance tracking control for semi-Markovian jump systems with exogenous disturbances and input saturation," Applied Mathematics and Computation, Elsevier, vol. 424(C).
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