Fault-Tolerant Control for Markovian Jump Delay Systems with an Adaptive Observer Approach
Fault-Tolerant Control for Markovian Jump Delay Systems with an Adaptive Observer Approach
复制标题
采用自适应观测器方法的马尔可夫跳跃延迟系统的容错控制
DOI:
10.1007/s00034-016-0277-8
复制
发表时间:
2016-12
期刊:
影响因子:
--
通讯作者:
付莎莎
中科院分区:
文献类型:
--
作者:
陈力恒;黄显林;付莎莎
This paper investigates the problem of fault estimation and fault-tolerant control for a class of Markovian jump systems with mode-dependent interval time-varying delay and Lipschitz nonlinearities. In this paper, a new adaptive fault observer is designed to solve the problem of fault estimation. The proposed observer can estimate the states and faults simultaneously, whether faults are of time-varying or constant characterization. Based on the fault estimation, a fault-tolerant controller is designed to stabilize the closed-loop system. Sufficient conditions for the existence of the observer gain and fault-tolerant controller gain are got by a set of linear matrix inequalities. Finally, a numerical example is presented to illustrate the effectiveness of the proposed fault-tolerant control method.
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