Automated tie marking

Patent metadata

Field	Value
Publication number	US-12291248-B2
Application number	US-202218055015-A
Country	US
Kind code	B2
Filing date	Nov 14, 2022
Priority date	Mar 4, 2022
Publication date	May 6, 2025
Grant date	May 6, 2025

Abstract

A system and method for automating railroad maintenance for a tie gang using electronic tie marking (ETM) configured to optimize railroad asset maintenance. The system enables the automating of an adaptive maintenance process for the asset that is being maintainanced. The system can identify a railroad asset scheduled for maintenance using various forms of inspection including real-time kinematic (RTK)-corrected GPS data, radar signal processing data, and real-time imaging. The system also provides for the acquisition and upload of asset pictures for verification and analysis of a railroad asset. The system can identify a next location to perform maintenance and can calculate an optimum path based on sensor input incorporating machine-specific and environmental characteristics. The system further can provide a customizable user interface to identify, track, and process information related to maintenance of the railroad asset.

First claim

What is claimed is:

1. A method for guiding a tie gang to perform maintenance, comprising:
receiving at least one location signal including location data having latitude and longitude values for a machine, a maintenance item, or both;
comparing, via a processor, the latitude and longitude values with stored location information to calibrate a location of the machine, wherein the stored location information is stored in a file associated with a maintenance operation request including the at least one location signal, wherein calibrating the location of the machine includes updating the stored location information in the file associated with the maintenance operation request based on the latitude and longitude values of the at least one location signal when the stored location information and the latitude and longitude values of the at least one location signal are different;
calculating a distance of a path from the location of the machine to a maintenance item location; and
traveling to the maintenance item location.

2. The method of claim 1 , further comprising identifying an edge of a track along the path based on sensor information.

3. The method of claim 2 , wherein the sensor information includes at least one of a real-time image or radar signal processing data.

4. The method of claim 1 , wherein the location signal includes at least one of radar signal processing data, global positioning system (GPS) data, or real-time kinematic (RTK)-corrected GPS data.

5. The method of claim 1 , wherein the location data includes image data visualizing an environment around a tie gang including the machine for image recognition of the location of the tie gang.

6. The method of claim 1 , wherein a tie gang uses the latitude and longitude values for autonomous travel.

7. The method of claim 1 , wherein the processor compensates the location information based on the location signal.

8. The method of claim 1 , wherein the comparing the latitude and longitude values with stored location information includes calculating the value difference between the location signal with the location information to determine whether the locations are the same.

9. The method of claim 1 , wherein updating the stored location information based on the latitude and longitude values of the at least one location signal includes substituting the latitude and longitude values from the location signal.

10. The method of claim 1 , wherein updating the stored location information based on the latitude and longitude values of the at least one location signal includes calculating an offset between the machine location and the latitude and longitude values from the location signal.

11. The method of claim 1 , wherein calculating the distance of the path from the location of the machine to the maintenance item location comprises utilizing preset railway information that includes a plurality of curves of a track.

12. A system for guiding a tie gang to perform maintenance, comprising:
a memory including location data; and
a processor operably coupled to the memory and capable of executing machine-readable instructions to perform program steps, the program steps comprising:
receiving at least one location signal including location data having latitude and longitude values for a machine, a maintenance item, or both;
comparing, via a processor, the latitude and longitude values with stored location information to calibrate a location of the machine, wherein the stored location information is stored in a file associated with a maintenance operation request including the at least one location signal, wherein calibrating the location of the machine includes updating the stored location information in the file associated with the maintenance operation request based on the latitude and longitude values of the at least one location signal when the stored location information and the latitude and longitude values of the at least one location signal are different;
calculating a distance of a path from the location of the machine to a maintenance item location; and
traveling to the maintenance item location.

13. The system of claim 12 , the program steps further comprising identifying an edge of a track along the path based on sensor information.

14. The system of claim 13 , wherein the sensor information includes at least one of a real-time image or radar signal processing data.

15. The system of claim 12 , wherein:
the location signal includes at least one of radar signal processing data, global positioning system (GPS) data, or real-time kinematic (RTK)-corrected GPS data; and
the location data includes image data visualizing an environment around a tie gang including the machine for image recognition of the location of the tie gang.

16. The system of claim 12 , wherein a tie gang uses the latitude and longitude values for autonomous travel.

17. The system of claim 12 , wherein the processor compensates the location information based on the location signal.

18. The system of claim 12 , wherein the comparing the latitude and longitude values with stored location information includes calculating the value difference between the location signal with the location information to determine whether the locations are the same.

19. The system of claim 12 , wherein updating the stored location information based on the latitude and longitude values of the at least one location signal includes substituting the latitude and longitude values from the location signal.

20. The system of claim 12 , wherein updating the stored location information based on the latitude and longitude values of the at least one location signal includes calculating an offset between the machine location and the latitude and longitude values from the location signal.

Assignees

• Bnsf Railway Co

Inventors

• Brick Michael James
• Kelly Lisa Marie
• Minton Samuel
• Keller Richard William

Classifications

• B61L23/042

  Track changes detection · CPC title

• E01B35/00

  Applications of measuring apparatus or devices for track-building purposes (apparatus on locomotives or cars to indicate or record bad track sections B61K9/00; measuring angles, linear dimensions, or irregularities in general G01B, G01C) · CPC title

• B61L25/025 Primary

  Absolute localisation, e.g. providing geodetic coordinates · CPC title

• B61L23/047

  Track or rail movements · CPC title

• E01B29/02

  Transporting, laying, removing, or renewing lengths of assembled track, assembled switches, or assembled crossings (E01B29/04 takes precedence) · CPC title