DSC  >> Vol. 5 No. 3 (July 2016)

    抵御执行器故障的H2/H静态输出反馈可靠控制
    Static Output Feedback Reliable Control with H2/H Performance against Actuator Failures

  • 全文下载: PDF(429KB) HTML   XML   PP.124-133   DOI: 10.12677/DSC.2016.53014  
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作者:  

徐艺超,姚 波:沈阳师范大学数学与系统科学学院,辽宁 沈阳 ;
王福忠:沈阳工程学院基础教学部,辽宁 沈阳

关键词:
H2/H可靠控制执行器故障静态输出反馈线性系统线性矩阵不等式(LMI)H2/H Reliable Control Actuator Failures Static Output Feedback Linear System Linear Matrix Inequality (LMI)

摘要:

针对线性系统,考虑连续增益故障模型,本文研究了具有执行器故障的H2/H静态输出反馈可靠控制问题。首先,在执行器无故障的前提下,给出H2/H性能指标存在的充分条件,进而得出系统的静态输出反馈控制率。然后,基于执行器故障,利用凸组合方法处理故障,重新设计静态输出反馈控制器,通过求解线性矩阵不等式的方法,完成静态输出反馈可靠控制器的设计。由此可靠控制器构成的闭环系统,使得当执行器发生故障时,也可使闭环系统的保持渐近稳定。最后的数值仿真验证了本文结果的有效性和可行性。

For a linear system and considering the continuous fault model, this paper proposed the problem of a static output feedback reliable controller with H2/H performance. First, we give the existing sufficient conditions of H2/H performance with the premise that the system is without faults, and we can get the rate of static output feedback reliable control. Then under the actuator failures, we use convex combination method, redesign the static output feedback controller and a static output feedback reliable controller can be obtained by using linear matrix inequality. And the close-loop system obtained by the reliable controller can keep asymptotically stable when the actuator fails. A simulation example is given to illustrate the feasibility and effectiveness of the results.

文章引用:
徐艺超, 王福忠, 姚波. 抵御执行器故障的H2/H静态输出反馈可靠控制[J]. 动力系统与控制, 2016, 5(3): 124-133. http://dx.doi.org/10.12677/DSC.2016.53014

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