不同协议下Smith预估补偿网络控制系统仿真研究
首发时间:2011-10-08
摘要:首先介绍了网络控制系统TrueTime工具箱中常用的两种网络协议CSMA/CD和Switch Ethernet,并对二者进行分析比较;其次阐述了Smith预估补偿器的原理;利用TrueTime工具箱构建一个网络控制系统仿真模型,讨论分析了在两种网络协议下加入Smith预估器的系统仿真输出。结果表明,预估器对两种网络模型都有较好的补偿,其中对Switch Ethernet的补偿效果明显好于CSMA/CD。
关键词: 网络控制系统 Smith预估 TrueTime工具箱 CSMA/CD Switch Ethernet 仿真
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Simulation of Smith Predictor under different protocols in Networked Control System
Abstract:First introduced two kinds of protocol CSMA/CD and Switch Ethernet, then carries on the analysis and comparison to both; Secondly expounded the principle of smith predictor; In order to show the effect of the estimated compensation,using truetime toolbox to construct a simulation model.The results show that the prediction of the two network model has better compensation effect,of which Switch Ethernet is better than CSMA/CD.
Keywords: networked control systems Smith predictor TrueTime toolbox CSMA/CD Switch Ethernet simulation
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