传感器故障下的鲁棒可靠H_∞滤波  

Robust reliable H_∞ filtering in the presence of sensor failure

作　　者：赵丽霞[1] 崔福军[1] 蔡逢煌[1] 王武[1] 

机构地区：[1]福州大学电气工程与自动化学院

出　　处：《福州大学学报（自然科学版）》2008年第S1期93-96,共4页Journal of Fuzhou University(Natural Science Edition)

基　　金：福建省自然科学基金资助项目(A0510009)

摘　　要：讨论了传感器故障状态下的时变时滞离散系统的可靠H∞滤波问题.采用了一种通用且更实用的传感器故障模型描述传感器故障,基于线性矩阵不等式方法设计可靠滤波器.所设计的滤波器不仅在系统运行良好条件下,而且对于所有容许的传感器故障,滤波误差系统是渐近稳定并具有给定的H∞性能指标.最后以一个数值例子说明了所给方法的有效性.The reliable H∞ filtering problem for time-varying delayed discrete-time systems is proposed for the case of a simultaneous presence of sensor failures.A more practical general mode of sensor is presented to investigate sensor failures.Based on a linear matrix inequality(LMI) technique,a reliable filter is designed,such that,in normal and fault cases of sensor,the filtering error system is asymptotically stable and has an H∞ disturbance attenuation bound.A numerical example is presented to demonstrate the e...

关 键 词：可靠滤波 传感器故障 H∞滤波 线性矩阵不等式 

分 类 号：TP13[自动化与计算机技术—控制理论与控制工程]