Method and electronic system for detecting rail switch degradation and failures

Electronic system for detecting rail switches degradation and failures, the system comprising:

• a data acquisition unit configured for collecting and storing, in a database, rail switch measurement data measured during rail switch moves to be analysed;
• a first module configured for applying a Discrete Wavelet Transform to the stored measurement data relative to one of the switch moves to be analysed and for obtaining a feature vector associated to said switch move and including Discrete Wavelet Transform coefficients delivered by the applied Discrete Wavelet Transform;
• a second module configured for comparing the obtained feature vector with each of a plurality of feature vectors associated to rail switch moves previously obtained by the first module and associating each to a respective health class among n given health classes;
• wherein the second module is configured for selecting k previously obtained feature vectors among the plurality of previously obtained feature vectors based upon the said comparison and determining a health class for the said switch move to be analyzed by selecting, based on a majority vote, one of the health classes associated with k selected feature vectors;
• wherein n is greater than or equal to 2 and k is greater than n.