Speed sensor fault detection system and method

G - Physics – 01 – P

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G01P 3/488 (2006.01) G01P 3/489 (2006.01) G06F 11/00 (2006.01)

Patent

CA 2043238

The control method/system for sensing "tooth or pulse drop-out" type faults in the output signals from a rotational speed sensor assembly (10) of the type utilizing a rotor (12) and a relatively fixed sensor (16) to provide an output comprising a plurality of pulses having a frequency indicative of the rotational speed of the rotor is provided.

Méthode/système de contrôle permettant de détecter des défaillances de type « perte d'impulsion ou de dent » dans les signaux de sortie d'un ensemble détecteur de vitesse de rotation (10) du type utilisant un rotor (12) et un détecteur relativement fixe (16) afin de produire en sortie un certain nombre d'impulsions dont la fréquence indique la vitesse de rotation du rotor.

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