执行器增益波动容忍区间分析  

The Analysis for Acceptant Range of Actuator Gain Fluctuation

作　　者：刘子平[1] 王福忠[1] 

机构地区：[1]沈阳建筑大学信息学院

出　　处：《自动化与信息工程》2011年第5期9-13,共5页Automation & Information Engineering

基　　金：辽宁省自然科学基金(20092045);辽宁省教育厅高等学校科学研究项目(L2010447)资助

摘　　要：本文针对一类线性系统的H∞可靠控制问题,提出了执行器各通道增益波动的容忍区间的概念。利用执行器单一通道增益波动模型,给出了在H∞可靠控制问题中执行器各通道增益波动的容忍区间算法。执行器硬件设计者可以根据各条通道增益波动的容忍区间,判断出各条通道对闭环系统的重要程度,再根据其重要程度加强该通道的硬件冗余度,用以加强系统硬件设计的可靠性。最后通过一个数值例子说明给出该方法的有效性及可行性。For the reliable H∞ control in a class of linear systems, this paper puts forward the concept of acceptant range of gain fluctuation for each channel of the actuator. Using the gain fluctuation mathematical model for single channel of the actuator, we present the algorithm of acceptant range of gain fluctuation for each channel of the actuator in the reliable H∞ Control. According to the acceptant range of gain fluctuation, actuator hardware designer can see the importance of each channel to closed-loop system which we can base to enhance the hardware redundancy rate of this channel. In this way, we will strengthen the reliability of the system hardware design. At last, a numerical example is given to show the effectiveness and the feasibility of the obtained results.

关 键 词：H∞可靠控制 增益波动 容忍区间 冗余度 

分 类 号：TP13[自动化与计算机技术—控制理论与控制工程]