Rail Vehicle State Testing Method for Simultaneous Multi-Train Wake-Up
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Solution Overview
Problem
Current wake-up from sleep testing methods for autonomous driverless trains are inefficient as they are performed on a single train at a time, affecting the overall operating efficiency and occupying multiple station tracks.
Innovation Solution
A state testing method for rail vehicles that allows simultaneous wake-up and testing of multiple trains on the same station track, involving on-board controller self-tests, static tests, and dynamic tests, with real-time dynamic test completion status updates to ensure safe and efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If wake-up testing is performed on a single train at a time, then testing safety is ensured, but testing efficiency is low and multiple station tracks are occupied
Solution Approach 1:
The testing process is segmented into distinct phases: on-board controller self-test, static test, and dynamic test. Each phase has specific entry and exit criteria that must be satisfied before proceeding to the next phase. This segmentation allows multiple trains to be at different testing stages simultaneously on the same station track, improving efficiency while maintaining safety through controlled progression.
Solution Approach 2:
The on-board controller performs self-tests before the static test begins, and the train performs static tests before dynamic tests. These preliminary actions are completed in advance with specific criteria (e.g., self-test completion, position verification) that must be satisfied before the train can proceed to the next testing phase or share the track with other trains.
2Loss of time
If multiple trains are tested simultaneously on the same station track, then testing time is reduced, but testing safety and coordination become more complex
Solution Approach 1:
The system implements continuous feedback mechanisms where the on-board controller monitors test completion status, train position, and safety conditions. The zone controller receives real-time status information from multiple trains and provides authorization instructions based on predefined criteria. This feedback loop enables automatic coordination of multiple trains on the same track without requiring complex manual intervention.
Solution Approach 2:
The testing process is made dynamic by allowing trains to progress through different testing phases at different rates based on their individual readiness. Trains that complete earlier phases can wait in designated areas while other trains proceed, and the system dynamically adjusts track authorization based on real-time test completion status and position information.
3Reliability
If static tests are performed before dynamic tests, then system safety is ensured, but total testing duration increases
Solution Approach 1:
While one train is performing static tests, other trains can simultaneously perform dynamic tests or be positioned in different areas of the station track. The testing sequence (static then dynamic) is maintained for each individual train to ensure safety, but the overall system achieves continuity by keeping multiple trains in different testing states simultaneously, reducing the total time the station track is occupied.
Data Source
AI summary
The present disclosure provides a state testing method for a rail vehicle, an on-board controller, and a zone controller. The state testing method for a rail vehicle includes: receiving a rail vehicle wake-up instruction; performing an on-board controller self-test to obtain an on-board controller self-test result; receiving a vehicle self-test result; receiving rail vehicle position information; outputting a static test instruction according to the on-board controller self-test result, the vehicle self-test result, and the rail vehicle position information; receiving a static test result; outputting a dynamic test instruction according to the static test result and the rail vehicle position information; receiving a dynamic test result; and outputting dynamic test completion status information according to the dynamic test result, and updating the dynamic test completion status information to a determination as to a dynamic test condition of other rail vehicles adjacent to a rail vehicle in real time through the ZC.