Methods and Systems for Remote Update and Verification of Urban Rail Transit Line Map Data

By implementing data version comparison, automatic download and update of map data, setting up advance communication zones and vehicle-to-vehicle communication in the onboard controller, the problems of untimely updates and insufficient reliability of electronic maps for urban rail transit lines have been solved. Online dynamic updates and security verification have been achieved, ensuring the safety of trains operating across lines and the availability of the system.

CN116170795BActive Publication Date: 2026-07-17CASCO SIGNAL LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CASCO SIGNAL LTD
Filing Date
2022-12-30
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The remote updating and verification of existing electronic maps of urban rail transit lines suffer from problems such as untimely updates and insufficient reliability, which affects the safety and reliability of trains operating across lines.

Method used

By implementing technologies such as data version comparison, automatic download and update of map data, setting up advance communication zones, vehicle-to-vehicle communication, and multiple security confidence node verification in the vehicle controller, the consistency and security of the vehicle electronic map and the trackside line data are ensured.

Benefits of technology

It enables online dynamic updating of urban rail transit line map data, improving the reliability of data updates and system security, ensuring the safety of train cross-line operation and system availability, without requiring additional hardware costs.

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Abstract

This invention relates to a method and system for remote updating and verifying urban rail transit line map data. The method is applied in an onboard controller, which is communicatively connected to a line data storage unit and a global download server. The method includes the following steps: upon receiving a verification command, the system determines whether the data version it is using is consistent with the authorized version, which is stored in the line data storage unit. If they are consistent, no update is needed; otherwise, the system automatically downloads updated map data corresponding to the authorized version, which is stored in the global download server. Compared with existing technologies, this invention has advantages such as good applicability and guaranteed reliability.
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