| 具有未知时延的网络化控制系统故障检测 |
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| 引用本文： | 刘云霞,高月芳,刘秀娟.具有未知时延的网络化控制系统故障检测[J].深圳信息职业技术学院学报,2011,9(1):31-35. |
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| 作者姓名： | 刘云霞 高月芳 刘秀娟 |
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| 作者单位： | 深圳信息职业技术学院软件工程系,深圳,518029 |
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| 基金项目： | 广东省自然科学基金，深圳信息职业技术学院青年自然科学基金 |
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| 摘 要： | 对于一类网络时延未知有界的网络控制系统,建立其离散化系统模型,研究基于等价空间的故障检测问题。将残差产生器设计归结为最小化问题,通过求解广义特征向量问题给出等价向量的求解方法,进一步通过奇异值分解得到等价向量解析解的一般形式。算例验证了提出方法的有效性。
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| 关 键 词： | 网络化控制系统 网络时延 等价空间 残差产生 |
Fault Detection for Networked Control Systems with unknown time-delay |
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| LIU Yunxia,GAO Yuefang,LIU Xiujuan.Fault Detection for Networked Control Systems with unknown time-delay[J].Journal of Shenzhen Institute of Information Technology,2011,9(1):31-35. |
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| Authors: | LIU Yunxia GAO Yuefang LIU Xiujuan |
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| Institution: | LIU Yunxia,GAO Yuefang,LIU Xiujuan(Department of Soft Engineering,Shenzhen Institute of Information Technology,Shenzhen 518029,P.R.China) |
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| Abstract: | This paper deals with the problem of parity space based fault detection for a class of networked control systems.Under the assumptions of network-induced time delay being unknown but bounded,a new discrete-time uncertain system model is first introduced.Then a parity relation is established to generate residual signals.The design of parity vector is formulated as a minimization problem.A feasible solution can be obtained by solving a generalized eigenvalue problem.Especially in the case of a matrix rank con... |
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| Keywords: | networked control system network-induced time delay parity-space residual-generation |
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