一类非线性不确定时滞系统鲁棒容错控制

研究一类不确定非线性时滞系统的鲁棒容错控制问题.针对不确定非线性时滞系统,基于执行器连续型增益故障模式,利用Lyapunov-Krasovskii泛函方法和线性矩阵不等式方法,推导了当一类非线性不确定系统满足一定范数有界条件时,闭环系统时滞无关鲁棒容错控制器存在的充分条件,并给出了状态反馈鲁棒容错控制器的设计方法.将所设计的状态反馈控制方法应用于某一非线性不确定时滞系统,仿真结果表明设计的控制器不仅使得该故障系统对于执行器故障具有完整性,并且能达到给定的H∞性能指标,从而验证了所提出方法的可行性和有效性.

Fault-Tolerant Robust Control for a Class of Nonlinear Uncertain Time-Delay Systems

The fault-tolerant robust control problem for a class of nonlinear uncertain systems with time-delay is studied.For nonlinear uncertain systems with time-delay,based on the fault model of continuous gain,the sufficient conditions for the existence of delay-independent robust fault-tolerant controller are obtained by using Lyapunov-Krasovskii functional method and linear matrix inequality approach when a class of nonlinear uncertain systems satisfies certain norm conditions.And then,the corresponding design ...