Railway Resource Allocation via Dynamic Interlocking
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current railway network management systems require costly manual generation of route tables for safe vehicle movement and are inflexible for updates, such as adding or replacing network objects, which complicates the integration of new resources.
Innovation Solution
A method where a railway network is subdivided into resources with allocation and interlocking states, managed by ground and onboard controllers using wireless communication to plan and allocate resources dynamically for vehicle movement, allowing for real-time verification and authorization of paths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual generation of route tables by experts is used to guarantee safe vehicle movements, then safety and reliability are improved, but cost and complexity increase significantly
Solution Approach 1:
The system enables automatic generation of route tables through the interlocking logic itself, without requiring external expert intervention. The control unit automatically creates and updates route tables based on the current interlocking state of network objects, allowing the system to self-manage its routing information.
Solution Approach 2:
The control unit pre-calculates and stores multiple possible routes in the route table before they are needed. When a vehicle needs to move, the appropriate route is already prepared and validated in advance, ensuring safety without requiring manual intervention at the moment of decision.
2Reliability
If manual generation of route tables is used to ensure safe movements, then reliability is improved, but resource cost increases
Solution Approach 1:
The control unit automatically generates route tables using its own interlocking logic and current state information, eliminating the need for external expert consultants and manual creation processes. This self-service capability significantly reduces the resource cost while maintaining safety through the same interlocking principles.
3Reliability
If centralized control unit manages all vehicle movements with comprehensive route tables, then safety is improved, but adaptability to network changes deteriorates
Solution Approach 1:
The route table is no longer a static document created manually but becomes a dynamic data structure that the control unit automatically updates in real-time. When network objects are added, removed, or modified, the control unit detects these changes and regenerates the route table accordingly, providing both safety through interlocking logic and adaptability to network evolution.
4Reliability
If comprehensive route tables are used to manage all vehicle movements, then safety is improved, but operation complexity increases
Solution Approach 1:
The control unit automatically performs the complex task of route table generation and updates without requiring operator intervention. Operators simply need to input high-level routing preferences, and the system handles the complex interlocking state verification and route table regeneration automatically, making operation easier while maintaining safety.
Data Source
AI summary
A method is provided. The method includes, the railway network being subdivided into resources, the state being driven by a ground controller, and each vehicle including an onboard controller being capable of communicating with the ground controller. The method includes planning, by a regulating unit, of a vehicle's mission, transmitting said mission to the vehicle. The onboard controller of identifying a group of resources permitting the vehicle to continue its mission, reserving the identified resources with the ground controllers, once all of the resources are allocated, interlocking each resource in a required state, verifying that each resource is reserved and is in the required state and, when this verification is positive, extending permission for the vehicle to move on the path corresponding to said group of resources.