铁路信号微机数据采集系统研究  

A brief analyse on railway signal computer monitoring system

作　　者：王蓓[1] 

机构地区：[1]兰州交通大学铁道技术学院,甘肃兰州730000

出　　处：《自动化与仪器仪表》2012年第2期26-29,共4页Automation & Instrumentation

摘　　要：铁路信号微机监测数据采集系统的开发是为了能实时监测各种铁路设备信号的运行状态、发现各种铁路设备信号安全隐患、保证火车行车安全。铁路信号微机监测数据采集系统是铁路装备现代化的重要组成部分。本文根据来自不同铁路设备信号的数据特点,选择不同性能的单片机,通过C A N现场总线,将数据传送至核心板Vxworks实时操作系统。准确地掌握整个各种铁路设备信号的运行状况。The data collection of railway signal computer monitoring system is a very important traffic facility which is to ensure the safety of traffic, to detect the hidden danger and to monitor the use quality of railway signal device. This paper chooses different performance MCU for data collection by different data signals. The data will be amended and transmitted to the VxWorks real-time operating system.Because of the many great characters of the embedded operating system Vxworkssuch as multi-tasking, Seize, scheduling, it can collect much different types of data from the different bus at the first time, The users can know many kinds of data absolutely by the PC interface, and they can get a better grasp of the station of entire railway signal equipment by operating the PC.

关 键 词：VXWORKS AT91RM9200 信号微机监测 CAN总线 485总线 

分 类 号：TP13[自动化与计算机技术—控制理论与控制工程] U46[自动化与计算机技术—控制科学与工程]