Metro de Madrid Stays Ahead of Brake Problems

To perform brake testing on a total of 276 different metro cars, Metro de Madrid required a precise, robust, and portable system that it could install on the different trainsets.

The portable and rugged Q.brixx X system proofed to be the ideal system for this application. A Q.brixx XL A108-4M1 measurement module acquires an acceleration signal from a Dytran series 7577 high precision MEMS sensor. The signal is sampled at a rate of 100 Hz, and unwanted noise is then filtered out with a fourth-order lowpass Butterworth filter. For improved robustness, the Q.brixx X system is installed inside a custom-made Pelicase.

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Rugged data acquisition system for accelaration measurement

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6780 Schruns, Austria

Fulgencio Amoraga

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