System and method for measuring machine rolling resistance

G - Physics – 01 – M

Patent

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G01M 17/06 (2006.01)

Patent

CA 2690397

A method of measuring rolling resistance of a machine (12) is disclosed. The method may include determining a drive axle torque value (46) of the machine and calculating a total effective grade value (48) using the drive axle torque value. The method may further include determining at least one drivetrain efficiency loss factor value and calculating a total drivetrain efficiency loss value (50) of the machine using the at least one drivetrain efficiency loss factor value. The method may also include determining position data (52) of the machine and calculating an actual grade value (54) based on the position data. The method may additionally include calculating a rolling resistance value (56) of the machine by subtracting the actual grade value and the drivetrain efficiency loss value from the total effective grade value and outputting the rolling resistance value.

L'invention concerne un procédé de mesure de la résistance au roulement d'une machine (12). Le procédé consiste à déterminer une valeur de couple d'essieu moteur (46) de la machine ; à calculer une valeur de niveau effectif total (48) à l'aide de la valeur de couple d'essieu moteur. Le procédé peut en outre consister à déterminer au moins une valeur de facture de perte de rendement de transmission et à calculer une valeur de perte de rendement de transmission totale (50) de la machine à l'aide de la ou des valeurs de facteur de perte de rendement de transmission. Le procédé peut également consister à déterminer les données de position (52) de la machine et à calculer une valeur de niveau réel (54) sur la base des données de position. De plus, le procédé peut consister à calculer une valeur de résistance au roulement (56) de la machine en soustrayant de la valeur de niveau effectif total la valeur de niveau réel et la valeur de perte de rendement de transmission.

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