| Design of a bilinear fault detection observer for singular bilinear systems |
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| 作者姓名： | Zhanshan WANG Huaguang ZHANG |
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| 作者单位： | [1]School of Information Science and Engineering, Northeastern University, Shenyang Liaoning 110004, China [2]School of Information Science and Engineering, Shenyang Ligong University, Shenyang Liaoning 110168, China |
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| 基金项目： | This work was supported in part by National Nature Science Foundation of China （No. 60325311, 60534010, 60572070）, the Funds for Creative Research Groups of China （No. 60521003） and the Program for Changjiang Scholars and Innovative Research Team in University （No. IRT0421）. |
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| 摘 要： | A bilinear fault detection observer is proposed for a class of continuous time singular bilinear systems subject to unknown input disturbance and fault. By singular value decomposition on the original system, a bilinear fault detection observer is proposed for the decomposed system via an algebraic Riccati equation, and the domain of attraction of the state estimation error is estimated. A design procedure is presented to determine the fault detection threshold. A model of flexible joint robot is used to demonstrate the effectiveness of the proposed method.
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| 关 键 词： | 奇异双线性系统 双线性观测器 故障检测 设计 |
| 收稿时间： | 2005-03-30 |
| 修稿时间： | 2006-01-18 |
Design of a bilinear fault detection observer for singular bilinear systems |
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| Zhanshan WANG,Huaguang ZHANG.Design of a bilinear fault detection observer for singular bilinear systems[J].Journal of Control Theory and Applications,2007,5(1):28-36. |
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| Authors: | Zhanshan WANG Huaguang ZHANG |
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| Affiliation: | 1. School of Information Science and Engineering,Northeastern University,Shenyang Liaoning 110004,China;School of Information Science and Engineering,Shenyang Ligong University,Shenyang Liaoning 110168,China
2. School of Information Science and Engineering,Northeastern University,Shenyang Liaoning 110004,China |
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| Abstract: | A bilinear fault detection observer is proposed for a class of
continuous time singular bilinear systems subject to unknown input
disturbance and fault. By singular value decomposition on the
original system, a bilinear fault detection observer is proposed
for the decomposed system via an algebraic Riccati equation, and
the domain of attraction of the state estimation error is
estimated. A design procedure is presented to determine the fault
detection threshold. A model of flexible joint robot is used to
demonstrate the effectiveness of the proposed method. |
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| Keywords: | Singular bilinear systems (SBS) Bilinear observer Fault detection State estimation Domain of attraction |
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