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1. WO2014118214 - METHOD FOR CHARACTERIZING THE BEHAVIOR OF A VEHICLE AND USE IN THE SELECTION OF THE TIRES OF THE VEHICLE

Publication Number WO/2014/118214
Publication Date 07.08.2014
International Application No. PCT/EP2014/051696
International Filing Date 29.01.2014
IPC
G01M 17/04 2006.1
GPHYSICS
01MEASURING; TESTING
MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
17Testing of vehicles
007Wheeled or endless-tracked vehicles
04Suspension or damping
G01M 17/06 2006.1
GPHYSICS
01MEASURING; TESTING
MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
17Testing of vehicles
007Wheeled or endless-tracked vehicles
06Steering behaviour; Rolling behaviour
CPC
G01M 17/04
GPHYSICS
01MEASURING; TESTING
MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
17Testing of vehicles
007Wheeled or endless-tracked vehicles
04Suspension or damping
G01M 17/06
GPHYSICS
01MEASURING; TESTING
MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
17Testing of vehicles
007Wheeled or endless-tracked vehicles
06Steering behaviour; Rolling behaviour
Applicants
  • COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN [FR]/[FR]
  • MICHELIN RECHERCHE ET TECHNIQUE S.A. [CH]/[CH]
Inventors
  • EGERSZEGI, Christophe
Agents
  • DEQUIRE, Philippe
Priority Data
135080431.01.2013FR
Publication Language French (fr)
Filing Language French (FR)
Designated States
Title
(EN) METHOD FOR CHARACTERIZING THE BEHAVIOR OF A VEHICLE AND USE IN THE SELECTION OF THE TIRES OF THE VEHICLE
(FR) PROCEDE DE CARACTERISATION DU COMPORTEMENT D'UN VEHICULE ET APPLICATION AU CHOIX DES PNEUMATIQUES DU VEHICULE
Abstract
(EN) The invention relates to a method for characterizing the behavior of a given vehicle including a body, at least one wheel (14) including a given disk, wheel rim and tire, and at least one suspension device (80) connecting the wheel (14) to the body, characterized in that: (A) for a configuration of the suspension device and of the given wheel, a subjective test of the behavior of said vehicle is carried out in order to determine whether or not said behavior of said vehicle is acceptable; (B) the configuration of said suspension device and of said wheel is changed so as to scan the respective values of the side force Fy and side drift Dy pair of said wheel traveling in a straight line at a given stabilized speed, and, for each tested configuration of said suspension device, the characterization step (A) is carried out again; (C) for each tested configuration of the suspension device, the pair of side force Fy and side drift Dy values of said wheel traveling in a straight line is determined; and, (D) in the plane Fy, Dy the areas Z of acceptable behavior of said vehicle are determined.
(FR) Procédé de caractérisation du comportement d'un véhicule donné comprenant une caisse, au moins une roue (14) comprenant un disque, une jante et un pneumatique donnés et au moins un dispositif de suspension (80) reliant la roue (14) à la caisse, caractérisé en ce que: (A)pour une configuration du dispositif de suspension et de la roue donnée, on effectue un test de comportement subjectif dudit véhicule pour déterminer si ledit comportement dudit véhicule est acceptable ou non; (B)on modifie la configuration dudit dispositif de suspension et de ladite roue de façon à balayer les valeurs respectives du couple effort latéral Fy et déport latéral Dy de ladite roue en roulage ligne droite à vitesse stabilisée donnée et pour chaque configuration testée dudit dispositif de suspension on effectue à nouveau l'étape de caractérisation (A); (C) pour chaque configuration testée du dispositif de suspension, on détermine le couple de valeurs effort latéral Fy et déport latéral Dy de ladite roue en roulage ligne droite; et (D)on détermine dans le plan Fy, Dy les zones Z de comportement acceptable dudit véhicule.
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