CTC Running Diagram Selection for Flexible Train Dispatching

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Solution Overview

Problem

The existing CTC system lacks the flexibility to adjust basic diagrams dynamically according to operational needs, such as passenger demand or date-specific requirements, leading to inefficient train operation management.

Innovation Solution

A CTC-based train operation adjustment apparatus and method that includes a TDMS system interface server, a TD combined and shared intermediate database, a CTC system communication server, and a running diagram platform, enabling the generation, storage, and selection of multiple basic diagrams based on operation date and passenger demand, allowing for flexible train operation planning.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the CTC system uses a single static basic diagram acquired from TDMS, then the system structure is simple, but the system cannot flexibly adjust to different operational needs such as passenger demand or date-specific requirements

Engineering Contradiction:
Improveflexibility of basic diagram adjustmentVSAvoidsystem structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent segments the basic diagram functionality by dividing it into multiple pre-defined basic diagrams (e.g., first basic diagram, second basic diagram) stored in the database, each representing different operational scenarios. This allows the system to select appropriate diagrams based on operational needs without creating a complex dynamic generation system.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent applies preliminary action by pre-defining and storing multiple basic diagrams in advance in the database, covering various operational scenarios. When operation occurs, the system simply selects the appropriate pre-defined diagram based on the operation date or passenger demand, avoiding the need for complex real-time adjustments.

Inventive Principle:
Principle #10Preliminary action

2Adaptability or versatility

If the CTC system stores and manages multiple basic diagrams in the database, then operational flexibility improves, but data management complexity increases

Engineering Contradiction:
Improveoperational flexibilityVSAvoiddata management complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent makes the basic diagram database table structure universal and multi-functional by designing it to accommodate multiple different basic diagrams with the same schema. The database can store various types of basic diagrams (first, second, etc.) using a unified data structure, simplifying data management while enabling operational flexibility.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Productivity

If the system provides real-time selection of basic diagrams based on passenger demand, then operational efficiency improves, but system response time and processing complexity increase

Engineering Contradiction:
Improveoperational efficiencyVSAvoidsystem response time
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The patent applies preliminary action by pre-calculating and storing multiple basic diagrams in advance, each optimized for different passenger demand scenarios. When operational decisions are needed, the system simply queries and selects from these pre-prepared diagrams based on current conditions, avoiding time-consuming real-time calculations while maintaining high operational efficiency.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS20250371450A1CTC-based train operation adjustment method and apparatus
Publication Date: 2025.12.04 CASCO SIGNAL LTD
  • US20250371450A1 patent drawing
  • US20250371450A1 patent drawing

AI summary

A CTC-based train operation adjustment method and apparatus are provided. The adjustment apparatus includes a TDMS system interface server, a TD combined and shared intermediate database, a CTC system, a TD combined interface server and the like. The CTC system further includes a CTC system communication server, a running diagram platform and the like. The CTC-based train operation adjustment method and apparatus enable better cooperation of the CTC system and the running diagram platform thereof, and the TDMS system interface server; and by means of the TDMS system interface server and the TD combined and shared intermediate database, a plurality of basic diagrams are provided, so that a dispatcher can select an appropriate basic diagram to perform an operation task according to operation date or passenger demand, thereby making train operation regular and flexible