基于连续故障模型的不确定线性系统的鲁棒容错H∞控制  

Robust fault-tolerant H∞ control for uncertain linear systems with continuous faults model

作　　者：刘兴业[1] 刘志东[1] 

机构地区：[1]北京信息科技大学自动化学院,北京100192

出　　处：《北京机械工业学院学报》2009年第1期68-71,共4页Journal of Beijing Institute of Machinery

摘　　要：针对线性不确定系统执行器故障时鲁棒容错H∞控制。对参数不确定线性系统的鲁棒容错H∞控制控制器的设计。利用线性矩阵不等式(LM I),给出了不确定线性系统对执行器故障保持渐进稳定,且满足给定干扰衰减指标的鲁棒容错H∞控制器存在的充分条件。数值例子表明了该设计方法的有效性。In view of the robust fault-tolerant H∞ control design problem for uncertain linear systems with failed actuator, a more practical model of actuator faults than outage is considered. By means of LMI, the sufficient condition for robust fault-tolerant H∞ control in existence is given so that the systems could keep asymptotically stable against actuator failures and satisfy disturbance attenuation index prescribed. A numerical example is presented to demonstrate the applicability and effectiveness of the proposed approaches.

关 键 词：不确定性 执行器故障 鲁棒性 容错控制 H∞控制 

分 类 号：TP13[自动化与计算机技术—控制理论与控制工程]