Handheld Obstacle Display for Driverless Train Incident Response
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Solution Overview
Problem
In urban rail transit systems, the lack of space on train consoles and the absence of display screens for obstacle detection systems in driverless or unattended train operations hinder effective communication of obstacle information to train attendants, leading to inefficiencies in handling traffic interruptions.
Innovation Solution
A train obstacle information display method using a handheld mobile terminal that provides real-time operation and obstacle information to train attendants, allowing them to handle accidents proactively by receiving alerts and suggestions from the on-board host computer and dispatch center.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If display screens are installed on train consoles to show obstacle information, then train attendants can obtain real-time obstacle information, but the limited console space prevents installation of additional screens
Solution Approach 1:
The obstacle information display function is extracted from the fixed console screen and transferred to a handheld mobile terminal. This allows train attendants to access real-time obstacle information, sensor data, and handling suggestions on portable devices without occupying any console space, thereby resolving the contradiction between information display needs and limited installation area.
Solution Approach 2:
A handheld mobile terminal serves as an intermediary device between the on-board host computer and the train attendant. The terminal receives and displays obstacle information, sensor information, and handling suggestions from the host computer, enabling effective information transmission without requiring physical screens on the train console.
2Loss of information
If fixed display screens and consoles are provided for train attendants, then obstacle information can be displayed, but train attendants must remain at fixed positions and cannot walk around compartments
Solution Approach 1:
The display system transitions from a static fixed screen to a dynamic handheld mobile terminal. Train attendants can freely move throughout the train compartments while continuously accessing real-time obstacle information, sensor data, and handling suggestions on their portable devices, thus achieving both information accessibility and operational flexibility.
Solution Approach 2:
The handheld mobile terminal serves as a universal access device that combines multiple functions: displaying obstacle information, showing sensor data, providing handling suggestions, and enabling communication with the dispatch center. This single portable device replaces the need for fixed consoles and screens, allowing attendants to perform all monitoring functions while moving freely throughout the train.
3Loss of information
If train attendants communicate only through intercoms with dispatch center, then communication is maintained, but attendants cannot directly obtain real-time operating state information
Solution Approach 1:
The handheld mobile terminal establishes a direct feedback channel between the on-board host computer and the train attendant. Real-time operating state information, obstacle detection data, and system status are continuously transmitted to the terminal, providing immediate feedback without requiring intercom communication. This enables attendants to directly monitor and respond to system states, significantly improving fault handling efficiency.
Solution Approach 2:
The handheld mobile terminal acts as an intermediary that directly connects the train attendant to the on-board host computer and dispatch center systems. It retrieves and displays real-time operating state information, obstacle information, and handling suggestions, eliminating the need for indirect communication through intercoms and enabling immediate access to critical data for efficient decision-making.
Data Source
AI summary
The invention relates to a train obstacle information display method and device. The method allows a train attendant to obtain the operating state of an on-board obstacle detection system in real time and informs the train attendant immediately when an obstacle disturbing train operation appears, such that the train attendant walks to the head of a train to handle a traffic interruption accident caused by the obstacle; and when reaching the head of the train, the train attendant handles the accident according to an approach suggested by a handheld mobile terminal. Compared with the prior art, the invention can display obstacle information to train attendants on metro lines in a DTO mode and a UTO mode.