| 基于离散事件方法的AFDX建模与仿真 |
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| 引用本文： | 黄臻,张勇涛,熊华钢.基于离散事件方法的AFDX建模与仿真[J].北京航空航天大学学报,2011,37(10):1326-1332. |
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| 作者姓名： | 黄臻 张勇涛 熊华钢 |
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| 作者单位： | 北京航空航天大学 电子信息工程学院, 北京 100191 |
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| 基金项目： | 国家自然科学基金资助项目(60879024) |
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| 摘 要： | 采用了建模仿真的方法来分析航空电子全双工交换式以太网(AFDX,Avionics Full Duplex switched ethernet)协议.通过对AFDX协议的抽象,基于离散事件的建模方法,以基本的网络元素来抽象化网络中的端系统、交换机等设备,以离散事件来描述网络设备的行为,以此构建了AFDX网络模型,并依据模型实现了仿真.网络演算是一种理论计算AFDX最坏延迟界限的方法,将典型场景下仿真得到的结果与理论计算的结果进行比较,验证了模型.通过不同流量方案下仿真结果的对比,对AFDX进行了传输特性的分析.
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| 关 键 词： | 航空电子全双工交换式以太网 离散事件 建模 仿真 |
| 收稿时间： | 2010-09-26 |
AFDX modeling and simulation based on discrete event method |
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| Huang Zhen Zhang Yongtao Xiong Huagang.AFDX modeling and simulation based on discrete event method[J].Journal of Beijing University of Aeronautics and Astronautics,2011,37(10):1326-1332. |
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| Authors: | Huang Zhen Zhang Yongtao Xiong Huagang |
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| Institution: | School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China |
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| Abstract: | For dimensioning avionics full duplex switched ethernet(AFDX) network,discrete event method was used.Devices in the network,such as end-system and switch,were modeled by the basic network elements.The communication behavior including VL control,message framing and switch forwarding etc.was described as discrete event.Different network elements were integrated by these events,and a model of the network was composed.Based on AFDX modeling,the simulation tool was developed with C+ +.Typical AFDX network topolo... |
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| Keywords: | avionics full duplex switched ethernet(AFDX) discrete event modelling simulation |
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