Method for monitoring a switch of a railway track installation

A method of determining a classification model for a switch of a railway track installation, for enabling a fault of the switch to be established based on measured values measured during a switching operation, the method comprising:

• determining a respective reference switch data record for a multiplicity of switch operations, the reference switch data record in each case relating to at least two physical measured variables measured during a respective switching operation;
• and
• determining the classification model based on the multiplicity of reference switch data records;
• for each switching operation of the switch, creating the reference switch data record with a multi-dimensional feature vector associated with a predefined vector space, the feature vector having at least two vector components relating to the at least two physical measured variables measured during the switching operation;
• and
• the feature vectors defining a section of space within the vector space, the section of space forming the classification model and enabling a test, in order to form a fault signal, as to whether or not feature vectors generated following a completion of the classification model for subsequent switch operations lie outside the section of space beyond a predefined extent.

A device for determining a classification model for a switch of a railway track installation, wherein the classification model enables establishing a fault of the switch, the device comprising a processor and a memory, said processor being configured to:

• determine the classification model based on a multiplicity of reference switch data records each relating to at least two physical measured variables measured during a respective switching operation of the switch;
• and
• create a reference switch data record for each switching operation of the switch, the reference switch data record having a multi-dimensional feature vector associated with a predefined vector space, the feature vector having at least two vector components relating to the at least two physical measured variables measured during the switching operation;
• wherein the feature vectors define a section of space within the vector space, and the section of space forms the classification model and enables a test, in order to form a fault signal, as to whether or not feature vectors generated following the completion of the classification model for subsequent switch operations lie outside the section of space beyond a predefined extent.