| 基于观测器的时延网络控制系统稳定性 |
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| 引用本文： | 邢 伟,孙 阳,戴良萃.基于观测器的时延网络控制系统稳定性[J].东北大学学报(自然科学版),2014,35(4):457-460. |
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| 作者姓名： | 邢 伟 孙 阳 戴良萃 |
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| 作者单位： | (1 东北大学 理学院， 辽宁 沈阳110819； 2 红塔辽宁烟草有限公司， 辽宁 沈阳110001) |
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| 基金项目： | 国家自然科学基金资助项目(60974004) |
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| 摘 要： | 针对一类传感器采用时间驱动，控制器和执行器采用事件驱动的确定短时延网络控制系统，设计了一个状态观测器.将该网络控制系统离散化，并在此观测器的基础上给出了系统的离散模型和判定渐近稳定的方法.通过建立一个Lyapunov函数并采用线性矩阵不等式(LMI)的方法获得系统渐近稳定的充分条件.仿真实例验证了该方法的可行性及有效性.
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| 关 键 词： | 网络控制系统 短时延 Lyapunov函数 线性矩阵不等式(LMI) 观测器 |
Observer Based Stability of Networked Control Systems with Time Delay |
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| XING Wei,SUN Yang,DAI Liang cui.Observer Based Stability of Networked Control Systems with Time Delay[J].Journal of Northeastern University(Natural Science),2014,35(4):457-460. |
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| Authors: | XING Wei SUN Yang DAI Liang cui |
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| Institution: | 1. School of Sciences， Northeastern University， Shenyang 110819， China; 2. Hongta Liaoning Tobacco Co.Ltd.， Shenyang 110001， China. |
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| Abstract: | A state observer was designed for a class of networked control systems with a short delay， in which the sensor is time driven， and the controller and actuator are event driven. The networked control systems were discretized， and a discrete model of the system was given. In addition， the determination method of asymptotic stability was given on the basis of the state observer. Sufficient conditions for the system asymptotically stable were obtained by building Lyapunov function and linear matrix inequalities. A simulation example showed the feasibility and effectiveness of the proposed method. |
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| Keywords: | NCS(networked control systems) short delay Lyapunov function linear matrix inequality (LMI) observer |
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