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Robust and adaptive actuator failure compensation designs for a rocket fairing structural-acoustic model

机译:火箭整流罩结构声学模型的鲁棒自适应致动器失效补偿设计

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摘要

The actuator failure compensation problem is formulated for active vibration control of a rocket fairing structural-acoustic model with unknown actuator failures. Performance of a nominal optimal control scheme in the presence of actuator failures is studied to show the need of effective failure compensation. A robust control scheme and two adaptive control schemes are developed, which are able to ensure the closed-loop system signal boundedness in the presence of actuator failures whose failure pattern and values are unknown. The adaptive scheme for parameterizable failures ensures asymptotic stability despite failure uncertainties. Simulation results verified their failure compensation effectiveness.
机译:针对执行器故障未知的火箭整流罩结构声学模型的主动振动控制,制定了执行器故障补偿问题。研究了执行器故障时标称最优控制方案的性能,以表明需要有效的故障补偿。开发了鲁棒的控制方案和两种自适应控制方案,它们能够在存在执行器故障的情况下确保闭环系统信号有界,而执行器故障的故障模式和值未知。尽管存在故障不确定性,但可参数化故障的自适应方案可确保渐近稳定性。仿真结果验证了其失效补偿的有效性。

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