ABSTRACT This paper proposes an adaptive fault-tolerant boundary vibration control method designed to resolve unknown failure and stuck actuator problems in the wind turbine blade control process. The blade is modelled as a distributed parameter system described by two coupled partial differential equations. The proposed boundary control achieved the fact that the vibration of the blade can still be suppressed even when the actuator fails, and the bending and torsional deformation is eventually reduced to zero. Based on the Lyapunov direct method, a fact has been confirmed that the stability of the system is guaranteed under the boundary controller. The effectiveness of the controllers is demonstrated by numerical simulations.

中文翻译：

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致动器卡滞的风力机叶片自适应容错振动控制

摘要 本文提出了一种自适应容错边界振动控制方法，旨在解决风力涡轮机叶片控制过程中的未知故障和执行器卡住问题。叶片被建模为由两个耦合偏微分方程描述的分布式参数系统。所提出的边界控制实现了即使在执行器失效的情况下仍然可以抑制叶片的振动，并且弯曲和扭转变形最终减小到零。基于李雅普诺夫直接法，证实了在边界控制器下系统的稳定性得到保证的事实。数值模拟证明了控制器的有效性。