| 基于动态输出反馈的非线性网络化控制系统容错控制 |
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| 引用本文： | 李炜,罗伟,蒋栋年. 基于动态输出反馈的非线性网络化控制系统容错控制[J]. 兰州理工大学学报, 2012, 38(1): 63-70 |
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| 作者姓名： | 李炜 罗伟 蒋栋年 |
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| 作者单位： | 1. 兰州理工大学电气工程与信息工程学院,甘肃兰州730050;甘肃省工业过程先进控制重点实验室,甘肃兰州 730050
2. 兰州理工大学电气工程与信息工程学院,甘肃兰州,730050 |
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| 基金项目： | 国家自然科学基金，甘肃省自然科学基金，兰州理工大学特色学术梯队基金 |
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| 摘 要： | 针对一类具有时延和丢包的非线性网络化控制系统,采用动态输出反馈控制策略,在对时延分段处理的情形下,基于T-S模糊模型,通过构造时滞依赖的Lyapunov-Krasovskii泛函,推证出确保系统在执行器发生失效故障时具有完整性的少保守性充分条件,并以求解线性矩阵不等式的方式给出控制器的设计方法.最后,以仿真算例验证所述方法的可行性和有效性.
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| 关 键 词： | 网络化控制系统 T-S模糊模型 动态输出反馈 容错控制 时滞依赖 |
Fault-tolerant control for nonlinear networked control system based on dynamic output feedback |
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| LI Wei , LUO Wei , JIANG Dong-nian. Fault-tolerant control for nonlinear networked control system based on dynamic output feedback[J]. Journal of Lanzhou University of Technology, 2012, 38(1): 63-70 |
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| Authors: | LI Wei LUO Wei JIANG Dong-nian |
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| Affiliation: | 1(1.College of Electrical and Information Engineering,Lanzhou Univ.of Tech.,Lanzhou 730050,China;2.Gansu Key Lab of Industrial Advanced Process Control,Lanzhou 730050,China) |
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| Abstract: | For a class of nonlinear networked control system with time-delay,based on T-S fuzzy model and dynamic output feedback strategy,and by using Lyapunov-Krasovskii functional,a less conservative delay-dependent sufficient condition of integrity for NCS with failures of actuator was derived and verified on the model of piecewise time-delay.And the design method of fault-tolerant controller was given by solving several LMIs.Finally,by performing a simulation,the effectiveness and feasibility of the proposed approach were verified. |
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| Keywords: | networked control system T-S fuzzy model dynamic output feedback fault-tolerant control time-delay dependence |
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