Matisa Materiel Industriel S.a.

Toyo Advanced Technologies Co., Ltd.

Youcef Chinoune

Milan Stupar

Sebastien Soubielle

Frederic Bornet

In order to locate points or lines of interest (A, B, C, D, A', B&#x2032;, C&#x2032;, D&#x2032;,) of a railway track (), by means of a railway locating system (), progressing on the railway track (), a linear camera () pointing at the railway track () repeatedly acquires instantaneous linear optical data along an instantaneous measurement line (), and an orientation device () of the railway locating system () repeatedly acquires orientation data of the railway locating system () with respect to a reference line (A) of the railway track (). By processing at least the instantaneous linear optical data, a potentially distorted bitmap image is constructed of a zone of the surface of the railway track (), then points or lines of interest (A, B, C, D, A&#x2032;, B&#x2032;, C&#x2032;, D&#x2032;,) are identified in the potentially distorted bitmap image, before determining rectified coordinates of the points or lines of interest (A, B, C, D, A&#x2032;, B&#x2032;, C&#x2032;, D&#x2032;,), as a function of potentially distorted coordinates of the points or lines of interest (A, B, C, D, A&#x2032;, B&#x2032;, C&#x2032;, D&#x2032;,) in a reference system of the potentially distorted bitmap image and orientation data.

Method for locating points or lines of interest on a railway track, positioning and driving an intervention machine on a railway track

In order to position a set of one or more tools supported by a railway intervention vehicle progressing on a railway track, data is received characterising a curvilinear abscissa of a spatial indexation marker, a positioning of the spatial indexation marker with respect to a reference line of the railway track, and coordinates of points or lines of interest in a two-dimensional reference system. Transposition matrix cameras acquire transposition bitmap images in a spatial reference system of the transposition system. An odometer acquires progression data of the transposition system. Then the spatial indexation marker is identified as a function of the progression data and curvilinear abscissa data, to determine data characteristic of the spatial indexation marker and the reference line in the spatial reference system of the transposition chassis, and to calculate transposed coordinates of the points or lines of interest.

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Gex, France

Youcef Chinoune