Software Design of Onboard DMI of Train Control System for High Speed Railways

In the process of controlling a high speed train, the driver is aware of the train operation status and the command information from the wayside equipment by observing the onboard DMI (driver-machine interface), and inputs the relevant parameters and commands according to the requirements, so as to realize the safe operation of train under the supervision and protection of the train control system. This paper analyzes the functional requirements and the design principles of onboard DMI and introduces the layout of onboard DMI, the software design of onboard DMI and some key technologies.