Dedicated sensor and classifier of rail head defects
OUKHELLOU ; AKNIN ; PERRIN
Type de document
ARTICLE DE PERIODIQUE
Langue
anglais
Auteur
OUKHELLOU ; AKNIN ; PERRIN
Résumé / Abstract
This paper presents an original system based on a specialized eddy-current sensor for the inspection of railway tracks. The device aims at the detection of broken rails and large head spalls of the rail, and it has been designed to be mounted underneath automatic driving railway vehicles. In fact, less important types of defects can also be detected. Another use of the sensor would be for predictive management of the rail. All these applications need a procedure for parametrization of the output signals. Then a classification procedure is performed by a set of neural networks which is able to assign each ?defect? into one particular class. Keywords: Sensors; eddy-current; railways; neural networks; parametrization; classification; pattern recognition; non-destructive evaluation.
