B - Operations – Transporting – 61 – L
Patent
B - Operations, Transporting
61
L
B61L 25/02 (2006.01)
Patent
CA 2708574
The invention relates to a device for measuring the movement of a self-guided vehicle, that comprises onboard thereof: at least one accelerometer provided with a measurement axis arranged in the longitudinal direction of a potential main rectilinear movement of the vehicle, a first tachometer provided on an axle upstream from the vehicle in the longitudinal direction, a second tachometer provided on a second axle downstream from the vehicle in the longitudinal direction, wherein measure signals from the accelerometer and from the first and second tachometers are supplied to a computing unit. Accordingly, it is advantageously possible to determine the speed and the position of the vehicle on a vehicle route while taking into account an adhesion loss of at least one of the axles as well as an exact slope and turn effect on a vehicle route that does not remain rectilinear and changes horizontally and/or vertically.
La présente invention décrit d'un dispositif de mesure de déplacement d'un véhicule autoguidé comprenant à son bord : au moins un accéléromètre muni d'un axe de mesure disposé selon une direction longitudinale d'un potentiel déplacement principal rectiligne du véhicule, un premier tachymètre disposé sur un essieu en amont du véhicule selon la direction longitudinale, un second tachymètre est disposé sur un second essieu en aval du véhicule selon la direction longitudinale, des signaux de mesure provenant de l'accéléromètre, du premier et du second tachymètres sont délivrés à une unité de calcul. Par ce biais, il est avantageusement possible de déterminer la vitesse et la position du véhicule sur trajet du véhicule en prenant en compte une perte d'adhérence d' au moins un des essieux ainsi qu'un effet exact de pente et de courbure sur la trajectoire du véhicule qui ne reste pas rectiligne, mais évolue horizontalement ou/et verticalement.
Siemens Sas
Siemens Transportation Systems S.a.s.
Smart & Biggar
LandOfFree
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