Author(s): LI Hengfei
Pages: 74-76
Year: 2016 Issue:  4
Journal: Railway Signalling & Communication Engineering
Keyword:  departure indicator; embedded system; hardware and software interfaces;
Abstract: The departure indicator mainly indicates the departure time and the related departure control commands, and it is an important auxiliary equipment in underground operation for providing arrival time, status and other information for the train driver. The departure indicator receives control commands from ATS system and displays this information on the LED screen for reference by the train driver. The paper illustrates the hardware & software structure of the departure indicator based on uCOS embedded system, and inroduces the practical application in urban rail transit lines.