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首页> 外文期刊>International Journal of Adaptive Control and Signal Processing >Finite-time prescribed performance adaptive fuzzy fault-tolerant control for nonstrict-feedback nonlinear systems
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Finite-time prescribed performance adaptive fuzzy fault-tolerant control for nonstrict-feedback nonlinear systems

机译：非预防反馈非线性系统的有限时间规定性能自适应模糊容错控制

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摘要

This paper focuses on a finite-time adaptive fuzzy control problem for nonstrict-feedback nonlinear systems with actuator faults and prescribed performance. Compared with existing results, the finite-time prescribed performance adaptive fuzzy output feedback control is under study for the first time. By designing performance function, the transient performance of the corresponding controlled variable is maintained in a prescribed area. Combining the finite-time stability criterion with backstepping technique, a feasible adaptive fault-tolerant control scheme is proposed to guarantee that the system output converges to a small neighborhood of the origin in finite time, and the closed-loop signals are bounded. Finally, simulation results are shown to illustrate the effectiveness of the presented control method.
机译：本文侧重于具有执行器故障和规定性能的非机构反馈非线性系统的有限时间自适应模糊控制问题。与现有结果相比，第一次研究了有限时间规定的性能自适应模糊输出反馈控制。通过设计性能函数，相应的受控变量的瞬态性能保持在规定区域。将有限时间稳定性标准与背击技术相结合，提出了一种可行的自适应容错控制方案，以保证系统输出在有限时间内收敛到原点的小邻域，并且闭环信号被界定。最后，示出了仿真结果来说明所提出的控制方法的有效性。

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