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<p>In this work, we study the high speed the high precision event-triggered control (ETC) for a class of switched nonlinear systems with actuator failures and unknown hysteresis inputs is investigated. Firstly a static ETC scheme is constructed under which the desired tracking performances in terms of the fixed-time convergence and the predefined steady-state accuracy can be achieved simultaneously. With the static scheme, however, the Zeno behavior cannot be avoided during operation. To overcome this problem, we further propose a dynamic ETC scheme by newly including an auxiliary variable in triggering mechanism. With the dynamic one, it is proved that the Zeno behavior can be circumvented while keeping the desired closed-loop performances. Simulation studies based on a switched circuit system are presented to validate the effectiveness of the proposed control scheme.</p>

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Fixed-time adaptive fault-tolerant control for switched nonlinear systems with hysteresis inputs: static and dynamic event-triggered schemes

  • 期刊论文

  • 发表日期：

    2026年3月10日

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  • Guanyu Lai,
  • Shenglun Xiang,
  • Zhi Liu,
  • Kai Huang,
  • Hanzhen Xiao,
  • C. L. Philip Chen

摘要

In this work, we study the high speed the high precision event-triggered control (ETC) for a class of switched nonlinear systems with actuator failures and unknown hysteresis inputs is investigated. Firstly a static ETC scheme is constructed under which the desired tracking performances in terms of the fixed-time convergence and the predefined steady-state accuracy can be achieved simultaneously. With the static scheme, however, the Zeno behavior cannot be avoided during operation. To overcome this problem, we further propose a dynamic ETC scheme by newly including an auxiliary variable in triggering mechanism. With the dynamic one, it is proved that the Zeno behavior can be circumvented while keeping the desired closed-loop performances. Simulation studies based on a switched circuit system are presented to validate the effectiveness of the proposed control scheme.