Method and system for event recorder playback

• US 9,598,094 B2
• Filed: 09/29/2014
• Issued: 03/21/2017
• Est. Priority Date: 09/29/2014
• Status: Active Grant

• Current Assignee: Progress Rail Services Corporation (Caterpillar Incorporated)
• Original Assignee: Progress Rail Services Corporation (Caterpillar Incorporated)
• Inventors: Miller, Marc David, Kirby, Steven Keith, Bressler, Gregory Richard
• Primary Examiner(s): Do, Truc M
• Application Number:
  US14/500,266
• Publication Number:
  US 20160090111A1
• Time in Patent Office: 904 Days
• US Class Current: 1/1
• CPC Class Codes: B61C 17/12 Control gear; Arrangements for controlling locomotives from remote points in the train or when operating in multiple units control from points outside the train B61L3/00; fluid-actuated telemotors, servomotors F15B; control devices in general G05
• CPC Class Codes: B61L 15/0072 On-board train data handling
• CPC Class Codes: B61L 15/0081 On-board diagnosis or maintenance
• CPC Class Codes: B61L 15/0094 Recorders on the vehicle

Abstract

An event recorder playback system for a plurality of locomotives in a consist is described, including a processor configured to receive and save a first dataset and a second dataset associated with operation of a first locomotive and a second locomotive, respectively, in the consist. The processor may determine, using the processor, a point of synchronization of the first dataset and the second dataset with respect to time, and align the first dataset and the second dataset using the point of synchronization. The event recorder playback system may be further configured to output the first dataset and the second dataset on an output device. The output is aligned with respect to time.

Claims

1. An event recorder playback system, comprising:

a first locomotive and a second locomotive associated with a plurality of locomotives in a consist, each of the first and second locomotives configured with memory to store at least one dataset;

a communication network to connect the first locomotive and the second locomotives to one another to facilitate communication of the at least one dataset; and

a processor, in communication with the first and second locomotive via the communication network, configured to;

evaluate a first dataset associated with operation of the first locomotive and a second dataset associated with the operation of the second locomotive,

determine a point of synchronization of the first dataset and the second dataset with respect to time,

align the first dataset and the second dataset using the point of synchronization, and

output the first dataset and the second dataset on an output device, wherein the output is aligned with respect to time.

2. The event recorder playback system of claim 1, wherein the processor is further configured to align the first dataset and the second dataset by identifying an event that occurs in each of the first dataset and the second dataset.

3. The event recorder playback system of claim 2, wherein the processor is further configured to analyze a difference between the aligned first dataset and the second dataset to determine causation of the event.

4. The event recorder playback system of claim 3, wherein the processor compares the first dataset and the second dataset to determine a malfunction of an operating system of one or more of the first locomotive and the second locomotive.

5. The event recorder playback system of claim 4, wherein determining the malfunction includes identifying a delay between a transmission of a signal at the first locomotive and a corresponding response at the second locomotive.

6. The event recorder playback system of claim 1, wherein the point of synchronization is determined based on video data indicative of a geographic location.

7. The event recorder playback system of claim 1, wherein the point of synchronization is identified based on audio data.

8. The event recorder playback system of claim 7, wherein the processor is configured to search and find differences between the first dataset and the second dataset.

9. The event recorder playback system of claim 2, wherein

the first dataset and the second dataset include redundantly stored data, and

the processor is configured to analyze the redundantly stored data.

10. The event recorder playback system of claim 2, wherein the output includes human-readable data that indicates a difference between the first set of data and the second set of data.

11. A computer-implemented method for operating an event recorder playback system, comprising:

storing, in memory, at least one dataset associated with a first locomotive and a second locomotive of a plurality of locomotives in a consist;

connecting, via a communication network, the first locomotive and the second locomotive to one another to facilitate communication of the at least one dataset,

evaluating, via a processor, a first dataset and a second dataset of the at least one dataset, wherein the first dataset and the second dataset being associated with an operation of a first locomotive and a second locomotive, respectively, in the consist;

determining, using the processor, a point of synchronization of the first dataset and the second dataset with respect to time;

aligning, using the processor, the first dataset and the second dataset using the point of synchronization; and

outputting the first dataset and the second dataset on an output device, wherein the output is aligned with respect to time.

12. The computer-implemented method of claim 11 wherein the processor is further configured to align the first dataset and the second dataset by identifying an event that occurs in each of the first dataset and the second dataset.

13. The computer-implemented method of claim 12, wherein the processor is further configured to analyze a difference between the aligned first dataset and the second dataset to determine causation of the event.

14. The computer-implemented method of claim 13 wherein the processor compares the first dataset and the second dataset to demine a malfunction of an operating system of one or more of the first locomotive and the second locomotive.

15. The computer-implemented method of claim 14 wherein determining the malfunction includes identifying a delay between a transmission of a signal at the first locomotive and a corresponding response at the second locomotive.

16. The computer-implemented method of claim 11 wherein the point of synchronization is determined based on video data indicative of a geographic location.

17. The computer-implemented method of claim 11 wherein the point of synchronization is identified based on audio data.

18. The computer-implemented method of claim 11 wherein the processor is configured to search and find differences between the first dataset and the second dataset.

19. The computer-implemented method of claim 11 wherein

the first dataset and the second dataset include redundantly stored data, and

the processor is configured to analyze the redundantly stored data.