Method and electronic system for detecting rail switch degradation and failures
US11186304B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 5, 2018 |
| Grant date | Nov 30, 2021 |
| Priority date | — |
| Expiry date | Jan 18, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/367
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Method for detecting rail switches degradation and failures, the method having the steps of applying a Discrete Wavelet Transform to stored measurement data relative to a switch move to be analysed and obtaining a feature vector associated with said switch move and including Discrete Wavelet Transform coefficients delivered by the applied Discrete Wavelet Transform; comparing the obtained feature vector with feature vectors associated with rail switch moves previously obtained and associating each to a respective health class among several given health classes; and determining a health class for the said switch move to be analyzed by selecting one of the health classes associated with the previously obtained feature vectors based upon the comparison step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.