Design And Implementation Of Train Operator Display Of CBTC Based On QT

Train operator display (TOD) is important information medium of exchange between train drivers and train-borne of CBTC. The driver access to information, make decision and control and supervise related systems by TOD of the terminal equipment. As modern advances in electronic technology, the traditional instrument panel and LED-based train driving embedded chauffeur-driven equipment is gradually a high degree of information integration, visualization, touch screen replaced. The emergence and development of the CBTC system also promote TOD User-Computer Interface content and form changes.The driver as a carrier of driving trains, driving behavior is guided by TOD. The CBTC system of TOD should clear more closely related to the safe operation of trains display content like real-time communication, precise positioning, driving mode, excessive speed protection, the meaning of speed, alarm information and so on. The information that provided drivers to control the train must be presented to drivers timely, accurately, orderly, intuitively.The contents TOD displayed are changing all the time. Drivers will get a lot of information during the whole train operation. Driver driving-related information in the TOD conceptual design stage need to effectively classify, rational distribution. It is necessary to achieve the comprehensive and accurate information, alleviate the pressure chauffeur-driven the guarantor machine interaction friendliness as well. At present, the research is not sufficient for the TOD layout problem. This article focuses application FBS (Function-Behavior-Structure) model, focus on each function corresponding to the different behavior of the CBTC system properties, find behavior contact polyethylene block, the combination of features, each projected onto the display interface structure, the establishment of the model of the TOD driving interface.Meanwhile, in order to meet the requirements of good portability and embedded development, TOD graphical user interface development use Qt application framework.TOD based on Qt is complied the driver login interface, the train control interface, departure text interface. The distribution and change of function is texted in the interactive process to validate the modeling results. Of course, there are many shortcomings in the system. Those need to be further improved in future work.