信号系统与站台屏蔽门系统相结合,实现安全高效联动自动控制模式是城市轨道交通自动化水平高低的标志。基于目前地铁线路中信号与屏蔽门联动功能的现状,探讨了联动系统的工作原理、控制方式及接口电路,指出了实际应用的意义。%The combination of signal system and platform door systems achieves safe and efficient linkage automatic control mode,which embodies the automation level of urban rail transit.Based on the linkage situation of signals and PSD in subway lines,the authors described the working principle and control mode and the interface circuit of the interaction systems and explained the significance of its application in practice.
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