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执行器饱和不确定NCS非脆弱鲁棒容错控制

, PP. 1874-1883

Keywords: 网络化控制系统,鲁棒完整性,非脆弱控制,执行器饱和,综合时变时延

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Abstract:

针对存在时变时延和丢包的不确定网络化控制系统(NCS),同时考虑执行器饱和、控制器参数摄动以及非线性扰动等约束,研究执行器发生结构性失效故障时系统的鲁棒容错多约束控制问题.基于时滞依赖Lyapunov方法和容错吸引域定义,采用状态反馈控制策略推证出了闭环故障不确定网络化控制系统稳定的少保守性不变集充分条件,并给出了非脆弱鲁棒容错控制器的设计方法以及最大容错吸引域的估计.仿真算例验证了所述方法的可行性和有效性.

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