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首页> 外文期刊>Journal of control science and engineering >Robust Fault-Tolerant Control for Uncertain Networked Control Systems with State-Delay and Random Data Packet Dropout
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Robust Fault-Tolerant Control for Uncertain Networked Control Systems with State-Delay and Random Data Packet Dropout

机译：具有状态延迟和随机数据包丢失的不确定网络控制系统的鲁棒容错控制

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摘要

A robust fault-tolerant controller design problem for networked control system (NCS) withrandom packet dropout in both sensor-to-controller link and controller-to-actuator link is investigated. A novel stochastic NCS model with state-delay, model uncertainty, disturbance, probabilistic sensor failure, and actuator failure is proposed. The random packet dropout, sensor failures, and actuator failures are characterized by a binary random variable. The sufficient condition for asymptotical mean-square stability of NCS is derived and the closed-loop NCS satisfiesH∞performance constraints caused by the random packet dropout and disturbance. The fault-tolerant controller is designed by solving a linear matrix inequality. A numerical example is presented to illustrate the effectiveness of the proposed method.
机译：研究了网络控制系统（NCS）的鲁棒容错控制器设计问题，该系统在传感器到控制器的链路和控制器到执行器的链路中都存在随机丢包的情况。提出了一种具有状态延迟，模型不确定性，扰动，概率传感器故障和执行器故障的新型随机NCS模型。随机数据包丢失，传感器故障和执行器故障的特征在于二进制随机变量。得出了NCS渐近均方稳定性的充分条件，并且闭环NCS满足了由随机丢包和干扰引起的H∞性能约束。通过求解线性矩阵不等式来设计容错控制器。数值例子说明了所提方法的有效性。

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