| 一类不确定网络控制系统的鲁棒容错控制 |
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| 引用本文： | 张建化,李菊丽,陈跃.一类不确定网络控制系统的鲁棒容错控制[J].昆明理工大学学报(理工版),2012(1):36-40. |
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| 作者姓名： | 张建化 李菊丽 陈跃 |
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| 作者单位： | 徐州工程学院机电学院,江苏徐州221018 |
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| 基金项目： | 江苏省高校自然科学研究项目（09KJD460008） |
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| 摘 要： | 针对一类具有网络诱导时延和传感器故障或执行器故障的不确定网络控制系统,研究基于不确定状态反馈的鲁棒容错控制器设计方法.针对具有不确定性参数的被控对象模型,考虑网络诱导时延对系统的影响,分别引入传感器失效开关矩阵和执行器失效开关矩阵,建立基于不确定状态反馈控制器的闭环故障网络控制系统模型,采用Lyapunov方法给出闭环故障网络控制系统对传感器失效或执行器失效具有完整性且对参数不确定性具有鲁棒性的充分条件.最后通过仿真实例验证了该方法的有效性.
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| 关 键 词： | 网络控制系统 网络诱导时延 不确定 容错控制 |
Robust Fault Tolerant Control for a Kind of Uncertain Networked Control System |
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| ZHANG Jian-hua,LI Ju-li,CHEN Yue.Robust Fault Tolerant Control for a Kind of Uncertain Networked Control System[J].Journal of Kunming University of Science and Technology(Natural Science Edition),2012(1):36-40. |
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| Authors: | ZHANG Jian-hua LI Ju-li CHEN Yue |
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| Affiliation: | (Department of Mechanical and Electronic Engineering,Xuzhou Institute of Technology,Xuzhou,Jiangsu 221018,China) |
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| Abstract: | A robust fault tolerant controller based on uncertain state feedback is proposed for a kind of uncertain networked control systems with network-induced delays and sensor failures or actuator failures.With the effect of network-induced delay considered,the closed loop model of networked control systems with uncertain state feedback controller is established by introducing the switching matrices of sensor failures and actuator failures aiming at the networked control system with uncertain linear parameters.And the sufficient conditions for the system with integrity against sensor or actuator failures and robustness against uncertain parameters are given based on Lyapunov method.Simulation results are provided to illustrate the efficiency of the proposed approach. |
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| Keywords: | networked control system network-induced delay uncertain fault tolerant control |
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