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Method and device for non-contact measurement of the alignment of motor vehicle wheels | Verfahren und Vorrichtung zur kontaktlosen Messung der Radfluchtung eines Kraftfahrzeuges | Procédé et dispositif de mesure sans contact de l'alignement des roues d'un véhicule motorisé

Patentnummer:EP1887317B1
IPC Hauptklasse:G01B001126
Anmelder:
Erfinder:
Anmeldung:02.08.07
Offenlegung:04.08.06
Patenterteilung:12.09.18

Abstract / Hauptanspruch
The invention relates to a method for non-contact measurement of the alignment of the wheels of a motor vehicle. In practice, the method provides for the steps of: applying a plurality of markers to the wheels of the motor vehicle along a line approximately substantially coaxial with the wheel; positioning, at each wheel for which the characteristic angles must be acquired, two image acquisition devices, with different inclinations with respect to said wheel; acquiring for each of said wheels, through each of said two image acquisition devices, at least one image of said wheel with the relative markers; determining, through epipolar and triangulation geometrical calculations, the equation of an approximate plane in which said markers lie in space, with respect to a reference system; determining the camber and toe angles of said wheel on the basis of the equation of said plane and of the equation of the reference planes with respect to which the motor vehicle takes a known position.

EP1887317B1


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