A method for measuring the rotation speed of a wheel including the steps of: acquiring an analog measurement signal (Sma) generated by a magnetic tachometer and containing a useful signal the frequency of which is representative of the rotation speed of the wheel; digitizing in real-time the analog measurement signal (Sma) in order to obtain a time-dependent digital measurement signal (Smnt); calculating a Fourier transform of the time-dependent digital measurement signal (Smnt) in order to obtain a frequency-dependent digital measurement signal (Smnf); and carrying out a frequency analysis in order to identify by a search for peaks a useful spectral line (16) so as to obtain the frequency of the useful signal and therefore the rotation speed of the wheel.
PROCÉDÉ POUR MESURER LA VITESSE DE ROTATION D'UNE ROUE DE VEHICULE
METHOD FOR MEASURING THE ROTATIONAL SPEED OF A VEHICLE WHEEL
VERFAHREN ZUM MESSEN DER DREHGESCHWINDIGKEIT EINES FAHRZEUGRADS
2018-11-28
Patent
Electronic Resource
French
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