传感器失效不确定中立型时滞系统的鲁棒容错控制

针对一类不确定中立型时滞系统,基于Lyapunov稳定性理论,利用线性矩阵不等式方法,讨论了该类时滞系统对传感器失效具有完整性的鲁棒容错控制器的设计问题.且该控制器存在的充分条件由线性矩阵不等式组的形式给出,可以通过求解一个线性矩阵不等式组获得鲁棒容错控制器.在该容错控制器作用下,可以保证系统对传感器故障不敏感.仿真结果表明了设计方法的有效性.

Robust fault-tolerant control for sensor failure uncertain neutral time-delay systems

The problem of fault-tolerance control against sensor failures in linear state feedback systems was considered for a class of uncertainty neutral time-delay systems by using linear matrix inequality(LMI) based on the Lyapunov stability theory.A sufficient condition for the systems to be asymptotically stable,which is dependent on whether LMI was feasible,was presented.By solving the linear matrix inequalities(LMIs),the robust fault-tolerance controller can be obtained.The fault-tolerant controllers ensure that the system is not sensitive to sensor failures and that the system can run stably with certain satisfying performance.The simulation proves the effectiveness of the proposed design method.