Trackside Railway Vehicle Control System for Centralized Speed Management
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing systems for controlling track-bound vehicles, such as 'ATO over ETCS', require expensive intelligence on each vehicle, limiting their ability to quickly and holistically respond to changing conditions, and lack a centralized point for data consistency and processing.
Innovation Solution
A method and system where a trackside device determines and transmits speed specifications to vehicles, using redundant sensor arrangements to verify data and control vehicle speed, allowing for real-time adaptation to changing conditions without the need for expensive onboard intelligence.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If expensive intelligence (ETCS and ATO equipment) is installed on each vehicle, then the vehicle can autonomously control its speed and optimize movement, but the system cost increases significantly
Solution Approach 1:
The patent extracts the intelligence and data processing capabilities from the vehicle side and relocates them to the trackside device. The trackside device now performs the complex calculations for determining speed specifications, while vehicles receive pre-calculated control signals. This extraction eliminates the need for expensive onboard intelligence equipment while maintaining automated speed control functionality.
Solution Approach 2:
The patent introduces a trackside device as an intermediary between the central control system and the vehicles. This intermediary device performs real-time data processing, verifies sensor data from both trackside and vehicle sensors, and generates speed specification signals. The intermediary handles the computational burden, allowing vehicles to use simpler equipment while maintaining high-level automation through the mediating trackside intelligence.
2Speed
If each vehicle has its own intelligence for real-time control, then the response to changing conditions is vehicle-specific, but the system lacks a centralized point for data consistency and holistic response
Solution Approach 1:
The patent merges all sensor data processing and control decision-making functions into a single trackside device. Both trackside sensors and vehicle-side sensors feed data to the same processing unit, which maintains a unified view of the system state. This consolidation ensures data consistency across all vehicles while enabling holistic responses to changing conditions, as the trackside device can coordinate control actions system-wide rather than vehicle-by-vehicle.
Solution Approach 2:
The patent implements a feedback mechanism where the trackside device continuously receives data from both trackside and vehicle sensors, verifies consistency between redundant measurements, and adjusts speed specifications in real-time. The verified data flows back to vehicles through control signals, creating a closed-loop system that maintains data consistency while enabling rapid response to changing conditions through continuous feedback verification.
3Reliability
If redundant sensor arrangements are used for data verification, then data consistency and validity are ensured, but the system complexity increases
Solution Approach 1:
The patent uses redundant sensor arrangements as copies of each other - trackside sensors and vehicle-side sensors both measure the same physical quantities (position, speed, environmental conditions). The trackside device verifies data consistency by comparing these redundant measurements. This copying approach ensures reliability through verification while keeping individual sensor units simple and standard, as each sensor type remains unchanged but is deployed in redundant configurations.
Data Source
Figure 1
Figure 2
AI summary
The invention relates to a particularly economical method for influencing railbound vehicles, which offers the possibility to react instantly and comprehensively to changing boundary conditions. According to the invention, a device (6; 106) arranged on the track determines a specification (vio; Δνi) relating to the speed of travel of one of the vehicles (Fi) in question, for that purpose taking into account the actual location (Oia) of the vehicle (Fi) in question and taking into account at least one real value (via, Iia) which characterises the status of the vehicle (Fi) in question, a signal (Sio) containing at least the specification (vio; Δνi) relating to the speed of travel is transmitted by the device (6; 106) on the track to the vehicle (Fi) in question in order to control the vehicle (Fi) in question, and the vehicle (Fi) in question adjusts its speed (vi) in accordance with the specification (vio; Δνi) received with the signal (Sio). The invention also relates to a system (2; 102) for influencing railbound vehicles.