基于以太網(wǎng)的列車(chē)通信網(wǎng)絡(luò )及交換機開(kāi)發(fā)

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基于以太網(wǎng)的列車(chē)通信網(wǎng)絡(luò )及交換機開(kāi)發(fā)
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作者單位:(廣西大學(xué) 機械工程學(xué)院,南寧 530004)
作者簡(jiǎn)介:張 軍(1985-),男,湖南湘鄉人,在讀碩士研究生,主要從事先進(jìn)制造及智能檢測方向的研究。 賀德強(1973-),男,湖南桃江人,博士,教授,主要從事列車(chē)故障診斷與智能維護、列車(chē)信息系統方向的研究。 [FQ)]
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中圖分類(lèi)號:U285.4
基金項目:國家自然科學(xué)基金項目(51165001);廣西自然科學(xué)基金項目(2013GXNSFAA019297)。

Research on Train Communication Network and Managed Switch Based on Ethernet[HS)]

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(Mechanical Engineering College, Guangxi University, Nanning 530004, China)

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摘要:

隨著(zhù)列車(chē)中大容量設備的增加,高帶寬的工業(yè)以太網(wǎng)用于列車(chē)通信網(wǎng)絡(luò )已成為一種趨勢；生成樹(shù)冗余與VLAN技術(shù)應用在基于以太網(wǎng)的列車(chē)通信網(wǎng)絡(luò )中能有效地保證該通信網(wǎng)絡(luò )的可靠性、穩定性和實(shí)時(shí)性,為了支持生成樹(shù)協(xié)議(STP)和VLAN相關(guān)協(xié)議,設計了一款基于KSZ8995MA的交換機,介紹了其硬件設計和軟件實(shí)現的關(guān)鍵部分；利用OPNET軟件建立生成樹(shù)冗余鏈路和冗余鏈路模型并進(jìn)行時(shí)延仿真,仿真結果表明生成樹(shù)冗余鏈路的時(shí)延小于冗余鏈路的時(shí)延,有效地提高通信網(wǎng)絡(luò )的穩定性和實(shí)時(shí)性。

Abstract:

It has been a trend that the industrial Ethernet with high bandwidth is used for Train Communication Network with the increase of the voluminous device. The reliability, stability and real-time ability of the Train Communication Network based on Ethernet could be effectively guaranteed with the application of the Spanning Tree Redundant and VLAN to it. In order to support the Spanning Tree Protocol (STP) and VLAN related protocols, a switch based on KSZ8995MA is designed. The key parts of hardware design and software implementation are introduced. Meanwhile, the Spanning Tree Redundant Link and Redundant Link are modeled with OPNET. The simulation of time-delay is conducted and the results show that the delay-time of spanning tree redundant links is less than the redundant link and the spanning tree redundant links effectively improve the network’s stability and real-time.

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張軍,賀德強,苗劍.基于以太網(wǎng)的列車(chē)通信網(wǎng)絡(luò )及交換機開(kāi)發(fā)計算機測量與控制[J].,2014,22(6):1890-1892,1895.

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收稿日期:2013-10-11
最后修改日期:2013-12-25
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在線(xiàn)發(fā)布日期: 2014-11-12
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