Train Zone Controller Handover via Co-Management Area
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Solution Overview
Problem
The existing train management systems experience large speed fluctuations and potential emergency braking during the handover of movement authority (MA) between zone controllers, affecting safety and ride comfort due to differences in road information.
Innovation Solution
A method and system where a registration request is sent to the takeover zone controller when a train enters an area of co-management, allowing the takeover controller to calculate a second MA and exchange information with the handover controller, determining a target MA based on both controllers' MA, enabling smooth travel within the co-managed area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the takeover ZC calculates MA independently when the train arrives at the demarcation point, then the MA switching is straightforward, but large speed fluctuations or emergency braking occur affecting safety and ride comfort
Solution Approach 1:
The train sends a registration request to the takeover ZC in advance when entering the co-management area, allowing the takeover ZC to pre-calculate the second MA before the train reaches the demarcation point. This preliminary action ensures that both MAs are ready before handover, avoiding sudden MA changes that cause speed fluctuations or emergency braking.
Solution Approach 2:
The co-management area serves as an intermediary zone between the handover ZC and takeover ZC jurisdictions. Within this area, both controllers cooperate to provide MAs, smoothing the transition and preventing abrupt MA switching that would otherwise occur at the sharp demarcation point boundary.
2Device complexity
If the train receives MA from a single ZC at the demarcation point, then the control logic is simple, but large differences in road information between ZCs cause speed fluctuations
Solution Approach 1:
The patent merges the MA calculation processes of both handover ZC and takeover ZC by having the train receive and compare MAs from both controllers within the co-management area. The train determines the target MA by comparing both MAs, ensuring smooth transitions and eliminating speed fluctuations caused by abrupt switches between controllers with different road information.
Data Source
AI summary
A train management method includes sending a registration request to a takeover zone controller (ZC) in response to determining that the train enters an area of co-management, so that the takeover ZC calculates a second movement authority (MA) of the train according to the registration request and exchanges information with a handover ZC, determining a target MA according to a first MA of the handover ZC for the train and the second MA of the takeover ZC for the train, and traveling according to the target MA within the area of co-management. The area of co-management is composed of a part of an area of management of the handover ZC and a part of an area of management of the takeover ZC.