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基于VxWorks 6.x的动车组CCU/ERM若干问题研究
电子技术应用
周浩尚1,2,高照玲3
1.动车组和机车牵引与控制国家重点实验室; 2.中车大连电力牵引研发中心有限公司; 3.大连东软信息学院 智能与电子工程学院
摘要: 在轨道交通控制系统中,为了保证车辆控制稳定和运行数据及故障记录准确可靠,其关键部件——中央控制单元(Central Control Unit, CCU)和数据记录单元(Event Record Machine, ERM)采用嵌入式实时操作系统VxWorks。一般情况下,该系统启动时需要先启动DOS,之后再被当作一般软件调用启动。在系统启动失败、前面板6个灯常亮故障的基础上,研究DOS对电子盘的读写对其启动过程的影响,提出并验证一种可以直接在FAT32格式电子盘上启动解决方案,避免系统启动失败问题。然后结合作者遇到的不同版本VxWorks在应用过程中的UDP单播问题、FTP文件传输问题、启动检查DBR及读写LBA扇区问题进行测试,并提出了解决方案。
中圖分類號(hào):TP393.1 文獻(xiàn)標(biāo)志碼:A DOI: 10.16157/j.issn.0258-7998.245995
中文引用格式: 周浩尚,高照玲. 基于VxWorks 6.x的動(dòng)車組CCU/ERM若干問題研究[J]. 電子技術(shù)應(yīng)用,2025,51(5):110-115.
英文引用格式: Zhou Haoshang,Gao Zhaoling. Researching several problems of EMU CCE/ERM based on VxWorks 6.x[J]. Application of Electronic Technique,2025,51(5):110-115.
Researching several problems of EMU CCE/ERM based on VxWorks 6.x
Zhou Haoshang1,2,Gao Zhaoling3
1.State Key Laboratory for Traction and Control System of EMU and Locomotive; 2.CRRC Dalian R&D Co.,Ltd.; 3.School of Intelligence and Electronic Engineering, Dalian Neusoft University of Information
Abstract: In the network communication control system of rail transit, in order to ensure the stability of vehicle control and the accuracy and reliability of operation data and fault records, the central control unit (CCU) and event record machine (ERM), the key components, adopt an embedded real-time operating system VxWorks. Generally, when the system starts, it needs to start the DOS first, and then it is started as a general software call. In this paper, based on the system startup failure and the failure of 6 lights on the front panel, it studies the influence of DOS reading and writing to the electronic disk on its startup process, and proposes and validates a solution that can directly start on the FAT32 format electronic disk to avoid the problem of system startup failure. Then, according to the problems of UDP unicast, FTP file transfer, DBR startup check and LBA sector read and write in different versions of VxWorks encountered by the author, the solutions are put forward.
Key words : CCU/ERM;FAT32;VxWorks 6.x;UDP unicast;DOS boot record

引言

自從某款中央控制單元(Central Control Unit,CCU)和數(shù)據(jù)記錄單元(Event Record Machine,ERM)設(shè)備應(yīng)用到各項(xiàng)目之后,陸續(xù)收到多起客服人員反饋關(guān)于該CCU和ERM上電啟動(dòng)時(shí)全部6個(gè)燈常亮、VxWorks操作系統(tǒng)不啟動(dòng)的問題。作者在調(diào)試過程中也遇到不同VxWorks版本的若干問題,都將在本文中討論。


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作者信息:

周浩尚1,2,高照玲3

(1.動(dòng)車組和機(jī)車牽引與控制國(guó)家重點(diǎn)實(shí)驗(yàn)室,遼寧 大連116052;

2.中車大連電力牽引研發(fā)中心有限公司,遼寧 大連116052;

3.大連東軟信息學(xué)院 智能與電子工程學(xué)院,遼寧 大連116023)


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