Train Collision Avoidance System

Abstract

With the development of rail transit technology, the autonomous recognition and operation environment of the train becomes the development direction and research focus of the current rail transit. Due to the complex operation environment of the train, the traditional control technology requires the ground equipment to conduct the train operation, and the train does not have the ability to independently identify the surrounding environment. When the subway signal system failure cases, train driver manual, because manual operation working condition is not stable, the ability to recognize different from person to person, curve, ramp, bad lighting circuit stadia environmental restrictions, etc., require the system to assist drivers in front of the train distance judgment and prompt, collision, side impact or human error can be avoided through a red-light signal. This project according to this requirement, based on the car communication and active identification technology has been developed based on the Train car communication track early warning and protection System (TCAS: Train Collision Avoidance System) [1] , for equipment not installed on-board ATC or signal System failure cases, use of TCAS System identification in front of the Train, the visual perception environment to get the data, radar and other equipment, through the intelligent algorithm realization of vehicle ahead and signal detection, the safety of the Train running environment protection. Alarm by default tracking distance. Realize the driving control with intelligent train as the leading, strengthen the system safety protection level.