| 基于集员估计的线性MIMO系统故障检测方法 |
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| 引用本文： | 张峻峰,何潇,周东华.基于集员估计的线性MIMO系统故障检测方法[J].上海应用技术学院学报,2015,15(2):149-152. |
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| 作者姓名： | 张峻峰 何潇 周东华 |
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| 作者单位： | 1. 清华大学自动化系,北京,100084
2. 清华大学自动化系,北京 100084;清华大学信息科学与技术国家实验室,北京 100084 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 考虑了一类具有未知有界噪声的线性多输入多输出(MIMO)系统的故障检测问题,提出了一种基于集员估计的故障检测方法.通过当前时刻系统状态范围和测量输出值的一致性检验来检测系统是否发生故障.如果系统正常运行,则利用系统测量输出信息校正当前时刻系统状态范围.利用三容水箱系统模型进行了仿真研究,结果表明了所提方法的有效性.
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| 关 键 词： | 故障检测 多输入多输出(MIMO)系统 有界噪声 集员估计 |
Fault Detection for a Linear MIMO Systems Based on Set-membership Estimation |
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| ZHANG Junfeng,HE Xiao and ZHOU Donghua.Fault Detection for a Linear MIMO Systems Based on Set-membership Estimation[J].Journal of Shanghai Institute of Technology: Natural Science,2015,15(2):149-152. |
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| Authors: | ZHANG Junfeng HE Xiao and ZHOU Donghua |
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| Institution: | Department of Automation, Tsinghua University, Beijing 100084;Department of Automation, Tsinghua University, Beijing 100084;1.Department of Automation, Tsinghua University, Beijing 100084 2. Tsinghua National Laboratory for Information Science and Technology, Beijing 100084 |
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| Abstract: | The fault detection problem was investigated for a class of linear multiple-input multiple-output (MIMO) systems with bounded noise. A new fault detection method was proposed based on set-membership estimation. Consistency test was performed by the available present state range and measurements to determine whether there was a fault. If the system was in normal operation, the state range was corrected by taking advantage of the information provided by the measurements. A simulation study on the three-tank system was further carried out to demonstrate the effectiveness and applicability of the proposed method. |
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| Keywords: | fault detection multiple-input multiple-output (MIMO) systems bounded noise set-membership estimation |
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