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设计了一种基于嵌入式Linux系统的地铁列车状态显示装置。首先进行了列车状态显示装置的功能需求分析,然后采用ARM平台进行了硬件系统设计,并进一步采用嵌入式Linux和Qt进行了软件系统设计与开发,最后对所研制的列车状态显示装置进行了试验测试,测试结果表明显示装置能够实现司机与列车人机信息交互的需求。
A subway train status display device based on embedded Linux system is designed. Firstly, the functional requirements analysis of the train status display device was carried out. Then, the hardware system design was carried out by using the ARM platform. The software system was further designed and developed by using embedded Linux and Qt. Finally, the train status display device was tested The test and test results show that the display device can meet the needs of the driver and train man-machine information exchange.