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机构地区:[1]北京交通大学电子信息工程学院,北京100044
出 处:《铁路计算机应用》2009年第6期1-3,共3页Railway Computer Application
摘 要:提出一种远程设备程序更新方法,解决运营中的机车不能在线实时更新车载设备控制程序的问题。利用无线机车信号车地间已有的GSM-R通道传输升级文件,车地间准备好后以短帧形式传输升级文件,传输过程中校验数据和保证每帧数据正确接收。文件传输完毕后,车载设备在确保列车处于停车状态且安全的情况下重启并运行新控制程序。实际应用测试表明,所实现的程序更新方法可有效解决无线机车信号车载设备控制程序更新升级问题,具有良好的适应性和可靠性。Updating method for program of remote equipment was proposed, and it was solved the question that the control program of on-board equipment of the operating train couldn't be updated online real-time. The upgrade files where wansmitted by GSM-R channel which has been existed between train and ground in radio cab signal. After train and ground got ready, upgrade files were transmitted by short frame. In the transferring process sum of data was checked to guarantee each data received correctly. When files transferred thoroughly, on-board equipment was restarted and new control program was operated while the train was held on and in safe situation. The practical application test indicated this program updating method has finer applicability and reliability, could solve the question of updating the control program of on-board equipment of radio cab signal effectively.
分 类 号:U285[交通运输工程—交通信息工程及控制]
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