Method and system for compensating for wheel wear on a train

Details Method and system for compensating for wheel wear on a train Method and system for compensating for wheel wear on a train

B - Operations, Transporting

61

K

B61K 9/12 (2006.01) B61L 25/00 (2006.01) G01C 22/00 (2006.01) B61L 1/16 (2006.01)

Patent

CA 2530299

A method and system for compensating for wheel wear uses position and/or speed information from an independent positioning system to measure some distance over which the train has traveled. Wheel rotation information is also collected over the distance. The wheel rotation information and distance and/or speed information are then used to determine the size of the train wheels. The method is performed periodically to correct for changes in wheel size over time due to wear so that the wheel rotation information can be used to determine train position and speed in the event of a positioning system failure.

Cette invention se rapporte à un procédé et à un système de compensation de l'usure des roues, qui utilisent des informations de position et/ou de vitesse fournies par un système de positionnement indépendant, pour mesurer la distance parcourue par le train. Les informations de rotation des roues sont également recueillies sur cette distance. Les informations de rotation des roues et les informations de distance et/ou de vitesse sont ensuite utilisées pour déterminer la taille des roues du train. Ce procédé est appliqué périodiquement pour corriger les changements de taille des roues dans le temps, dus à l'usure, pour que les informations de rotation des roues puissent être utilisées pour déterminer la position et la vitesse du train en cas de panne du système de positionnement.

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