Central Controller Emulating On-Board Vehicle Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing decentralized system for managing vehicle circulation on railway networks faces challenges in allowing unequipped vehicles to operate, as equipping every vehicle with a controller is costly and disruptive, particularly for work trains that run at night on passenger train networks.
Innovation Solution
A method where a central controller emulates an on-board controller for unequipped vehicles, estimating their position using trackside reading devices and communicating with ground controllers to allocate and engage resources, allowing these vehicles to operate by simulating the presence of an on-board controller.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If every vehicle is equipped with an on-board controller to enable decentralized operation, then the system achieves full decentralized control and operational autonomy, but the cost and complexity of equipping each vehicle increases significantly
Solution Approach 1:
The patent creates a virtual copy of the on-board controller functionality by implementing an emulated controller in the centralized system. This emulated controller replicates the decision-making and resource management functions that would normally reside on the vehicle, allowing unequipped vehicles to operate within the decentralized architecture without physical modification to the vehicles themselves
Solution Approach 2:
The emulated controller acts as an intermediary between the centralized system and unequipped vehicles. It mediates resource allocation and engagement decisions by simulating the behavior of a real on-board controller, enabling communication and coordination between the centralized infrastructure and vehicles lacking native control capabilities
2Adaptability or versatility
If a centralized system manages work trains while a decentralized system manages passenger trains, then both vehicle types can operate on the network, but synchronizing the two systems becomes difficult and operationally complex
Solution Approach 1:
The patent creates a universal control approach where the emulated controller implements a common interface and decision-making framework that works for all vehicle types. By standardizing the control logic in the centralized system, the patent enables both work trains and passenger trains to operate under the same architectural paradigm, eliminating the need for separate synchronized systems
Solution Approach 2:
The patent merges the centralized and decentralized approaches by implementing the emulated controller in the centralized system. This consolidation allows the centralized system to directly manage unequipped vehicles while equipped vehicles continue to operate autonomously, creating a unified control architecture that eliminates synchronization complexity between separate systems
3Reliability
If the system requires explicit on-board equipment for resource management, then precise vehicle control and resource allocation are achieved, but unequipped vehicles cannot operate on the network
Solution Approach 1:
The emulated controller creates a virtual representation of on-board controller functionality, copying the resource management and engagement decision-making processes to the centralized system. This allows unequipped vehicles to receive the same level of precise resource allocation and control as equipped vehicles, maintaining reliability without requiring physical equipment on all vehicles
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
This method of managing vehicle traffic on a railway network (10) subdivided into resources (1 to 6), each resource having an allocation state and an interlocking state and being controlled by a ground controller (11) connected to a communication infrastructure (30), consists, in order to allow the movement of a vehicle (22) not equipped with an on-board controller capable of managing the allocation and interlocking of the resources required for the movement of the vehicle directly with the ground controllers (11), of emulating, at the level of a central controller (42), on the ground, connected to the communication infrastructure (30), a controller (24) which would be on-board the unequipped vehicle, the central controller (42) estimating a position of the unequipped vehicle from signals emitted by reading devices (15) placed along the tracks and connected to the communication infrastructure (30).