This paper describes the main problems with main cab signal in an automatic train overspeed protection system, such as function, visibility, rate of display correctness, redundancy system, receiving coil and wayside equipment. Some implementation suggestions are proposed.
论述了列车超速防护系统中主体化机车信号的主要问题，包括主体机车信号的功能、显示、显示正确率、冗余系统、接收线圈和地面设备等，并提出了实施的建议。