In France, the RATP (Urban Public Transportation in Paris area, 6th largest company of Urban Transportation world wide) are using GlyphWorks to process data primarily coming from HBM MGCplus and SoMat eDAQ data acquisition systems.

RATP uses nCode GlyphWorks for:

  • Fatigue analysis of the structure of trains (body, bogie, axle) and of the equipment fitted onto railway vehicles, but also of the rails.
  • Various analysis like statistics and general time-based and frequency-based analyses on signals of strain, vibration, displacement, temperature, pressure... for problems involving complex mechanical behavior.

According to David Courteille, mechanical division manager at the RATP test and measurement laboratory, one main advantage of GlyphWorks is its ability to work with large file sizes, while being very fast to process. The ease of use and existing database of material fatigue properties are also important advantages.

The MGCplus is used on-board for interactive applications. Its advantages are its compatibility with a large number of sensors and its large number of input channels (over 100 channels on a 19 inch rack.)

For unattended monitoring over several days , the SoMat eDAQ enables the collection of representative loading data to study for instance the fatigue behavior of structural welds. The eDAQs triggering and on-board processing enable it to store only the required data over a long period of measuring.

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