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基于高增益鲁棒滑模观测器的故障检测和隔离

杨俊起 朱芳来

杨俊起, 朱芳来. 基于高增益鲁棒滑模观测器的故障检测和隔离. 自动化学报, 2012, 38(12): 2005-2013. doi: 10.3724/SP.J.1004.2012.02005
引用本文: 杨俊起, 朱芳来. 基于高增益鲁棒滑模观测器的故障检测和隔离. 自动化学报, 2012, 38(12): 2005-2013. doi: 10.3724/SP.J.1004.2012.02005
YANG Jun-Qi, ZHU Fang-Lai. FDI Based on High-gain Robust Sliding Mode Observers. ACTA AUTOMATICA SINICA, 2012, 38(12): 2005-2013. doi: 10.3724/SP.J.1004.2012.02005
Citation: YANG Jun-Qi, ZHU Fang-Lai. FDI Based on High-gain Robust Sliding Mode Observers. ACTA AUTOMATICA SINICA, 2012, 38(12): 2005-2013. doi: 10.3724/SP.J.1004.2012.02005

基于高增益鲁棒滑模观测器的故障检测和隔离

doi: 10.3724/SP.J.1004.2012.02005
详细信息
    通讯作者:

    朱芳来

FDI Based on High-gain Robust Sliding Mode Observers

  • 摘要: 针对一类同时具有执行器和传感器故障的不确定线性系统,讨论了基于观测器的故障检测和隔离方法.首先,通过引入增维向量,使得在构造的增维系统中,故障向量包含了原系统的执行器故障和传感器故障.通过构造辅助输出使增维系统的观测器匹配条件得以满足,同时设计高增益滑模观测器对辅助输出进行估计.然后,对增维系统构造鲁棒滑模观测器并用作故障检测观测器,通过滑模控制项来抑制干扰,使观测器具有鲁棒性.在此基础上,结合多观测器故障隔离思想,提出了可以同时对执行器故障和传感器故障进行检测和隔离的方法. 最后,通过对一个五阶飞行器模型进行仿真,证明了所提方法的有效性.
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出版历程
  • 收稿日期:  2012-03-19
  • 修回日期:  2012-07-03
  • 刊出日期:  2012-12-20

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