System and method for quantitative analysis of cause of tire...

G - Physics – 01 – M

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G01M 17/02 (2006.01)

Patent

CA 2581148

There is provided a system and method for quantitative analysis of a cause of tire trouble capable of quantitatively analyzing whether the tire trouble is caused by the tire itself or in a matter of harshness of a tire using condition in light of not only a force acting on a tire mounted on a running vehicle but also harshness of a tire using condition such as a traveling speed of the vehicle, level difference of a road surface, a curve and gradient information. The method for quantitative analysis of a cause of tire trouble according to the present invention is characterized by comprising the steps of receiving positional data of a running vehicle from the GPS, simultaneously measuring triaxial accelerations which are accelerations acting on the running vehicle in back-and-forward, right-and- left and up-and-down directions while time synchronizing with the received data, quantitatively analyzing harshness of a tire using condition from the received positional data and the triaxial acceleration data, and displaying an analysis result.

L'invention porte sur un procédé d'analyse quantitative pour problèmes de pneu afin d'analyser de manière quantitative si un problème de pneu est provoqué par un pneu proprement dit ou la dureté du pneu en utilisant des conditions propiees à une dureté de pneu, telles que des conditions englobant non seulement une force agissant sur un pneu monté sur un véhicule en mouvement, mais aussi une vitesse de mouvement de véhicule, une différence de niveau d'une surface routière de circulation, des informations de courbe, de gradient, etc. Le procédé d'analyse quantitative est caractérisé en ce qu'il comprend les phases de réception des données de position d'un véhicule en mouvement à partir du GPS, de mesure des accélérations dans les 3 axes dans les directions d'avant vers l'arrière, de droite à gauche et de haut en bas en synchronisation avec cette réception, d'analyse quantitative de la dureté du pneu à l'aide de conditions tirées des données de position de véhicule reçues et des données d'accélération mesurées dans les 3 axes, et d'affichage des résultats.

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