Railroad Trip Optimizer Reducing Wheel and Track Wear

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Solution Overview

Problem

Current technologies fail to effectively optimize train operations to minimize wheel and track wear, leading to increased maintenance needs and derailment risks due to limitations in real-time data integration and control of tractive and braking forces.

Innovation Solution

A system that determines a train's location and acquires track characterization information using GPS, sensors, and cameras, allowing for the control of tractive and braking forces to reduce wheel and track wear by optimizing speed, acceleration, and deceleration based on real-time track conditions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If real-time track data and control systems are implemented to optimize train speed and forces, then wheel and track wear is reduced, but device complexity increases

Engineering Contradiction:
Improvewheel and track wear reductionVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system integrates multiple functions into a unified control platform that processes GPS location data, track characterization information, and operational parameters to simultaneously optimize speed, reduce wear, and ensure safety. This multi-functional approach consolidates what would otherwise require separate systems.

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

Solution Approach 2:

A central processor acts as an intermediary between various sensors (GPS, track sensors), control systems (tractive force control, braking control), and optimization algorithms. This intermediary coordinates information flow and control actions, simplifying the overall system architecture while achieving wear reduction goals.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If operator control is enhanced with real-time data and optimization algorithms, then train operation efficiency improves, but device complexity increases

Engineering Contradiction:
Improvetrain operation efficiencyVSAvoidcontrol system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system continuously monitors train location, track conditions, and operational parameters, then feeds this information back to the processor which adjusts speed recommendations and control forces in real-time. This closed-loop feedback mechanism optimizes efficiency dynamically without requiring complex manual interventions.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The optimization system automatically processes track data, calculates optimal speed profiles, and controls tractive and braking forces without requiring constant operator intervention. The system serves itself by making real-time decisions based on sensor inputs, improving efficiency while reducing the operational burden.

Inventive Principle:
Principle #25Self-service

3Duration of action of stationary object

If comprehensive track characterization and real-time monitoring are implemented, then maintenance intervals are extended, but measurement and detection difficulty increases

Engineering Contradiction:
Improvemaintenance intervalVSAvoidtrack condition measurement
Core Design Contradiction:
Duration of action of stationary objectVSDifficulty of detecting and measuring

Solution Approach 1:

The system replaces manual measurement methods with automated sensors including GPS for location tracking, track-mounted sensors for condition monitoring, and cameras for visual inspection. This substitution of mechanical/manual processes with electronic sensing systems makes detection easier while providing continuous data for extended maintenance intervals.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

Instead of periodic manual inspections, the system implements continuous monitoring of track conditions and train performance through embedded sensors and real-time data collection. This continuous action provides ongoing information about wear and track state, enabling extended maintenance intervals based on actual condition rather than fixed schedules.

Inventive Principle:
Principle #20Continuity of useful action

Data Source

PatentUS9233696B2Trip optimizer method, system and computer software code for operating a railroad train to minimize wheel and track wear
Publication Date: 2016.01.12 TRANSPORTATION IP HOLDINGS LLC
  • US9233696B2 patent drawing
  • US9233696B2 patent drawing
  • US9233696B2 patent drawing

AI summary

A system for controlling a railroad train over a segment of track. The system comprises a first element for determining a location of the train on the segment of track; a second element for providing track characterization information for the segment of track; the track characterization information related to physical conditions of the segment of track; and a processor for controlling applied tractive forces and braking forces of the train responsive to the location of the train and the track characterization information to reduce at least one of wheel wear and/or track wear during operation of the train over the segment of track.