| AFDX终端系统实现方案研究 |
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| 引用本文： | 牛仕奇,严胜刚,任向隆.AFDX终端系统实现方案研究[J].计算机测量与控制,2009,17(12):2507-2509,2520. |
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| 作者姓名： | 牛仕奇 严胜刚 任向隆 |
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| 作者单位： | 西北工业大学,航海学院,陕西,西安,710072 |
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| 摘 要： | 航空电子全双工交换式以太网(AFDX)作为一个网络协议,用来定义各航空电子子系统之间进行数据交换所应遵循的电气要求和协议规范;它是在IEEE802.3以太网技术的基础上增加了一些特殊的功能来提供一个具有确定性服务保证的网络;该方案首先对AFDX网络的组成结构进行了简单的介绍,然后根据对AFDX协议规范的研究,分析了AFDX终端系统的工作流程和性能指标,最后提出了终端系统的硬件设计方案;为了使终端系统设计达到最优性能,文章还给出了软件设计方案。
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| 关 键 词： | AFDX 航空总线 网络 终端系统 |
Research on Realization of AFDX End System |
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| Niu Shiqi,Yan Shenggang,Ren Xianglong.Research on Realization of AFDX End System[J].Computer Measurement & Control,2009,17(12):2507-2509,2520. |
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| Authors: | Niu Shiqi Yan Shenggang Ren Xianglong |
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| Affiliation: | (College of Marine,Northwestern Polytechnical University,Xi’an 710072,China) |
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| Abstract: | As a network protocol, Avionics Full Duplex Switched Ethernet (AFDX) is mainly used to define the electrical and protocol specifications by which exchanging the data between Avionics Subsystems follows. AFDX is a deterministic network which adds some special features based on the IEEE802. 3 Ethernet technology. This paper firstly introduces the AFDX network. And then, the workflow and performance indicators of end system following the AFDX protocol specification are analyzed. Finally, the hardware solution for the AFDX end system is given in this paper, and a designed software scheme is given as well in order to make the end system achieve optimal performance. |
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| Keywords: | AFDX AFDX avionics data bus network end system |
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