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Method and apparatus for utilizing wheel profile data during wheel assembly service procedures

  • US 10,013,754 B2
  • Filed: 08/08/2014
  • Issued: 07/03/2018
  • Est. Priority Date: 08/09/2013
  • Status: Active Grant
First Claim
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1. A service system for a vehicle wheel assembly having an inner surface and an outer surface, the service system comprising:

  • a spindle shaft configured to receive the vehicle wheel assembly for rotation about an axis;

    at least one source of optical energy configured to project at least one pattern of light defining a plurality of non-continuous discrete optically detectable elements towards the inner surface or the outer surface of the wheel assembly;

    an imaging sensor configured to acquire a plurality of images of the plurality of non-continuous discrete optically detectable elements projected on the wheel assembly surface, at least two of said images acquired at different rotational orientations of the wheel assembly as the vehicle wheel assembly is rotated about said axis; and

    a processor configured with program instructions to;

    a) determine spatial positions for at least two of the plurality of non-continuous discrete optically detectable elements on the wheel assembly surface from at least two of the acquired images;

    b) determine a plurality of axial profiles associated with the wheel assembly surface based on the determined spatial positions from the acquired images;

    c) determine a representative axial profile associated with at least a portion of the wheel assembly based on the determined plurality of axial profiles; and

    d) identify at least one observed feature of the wheel assembly using contour elements present in at least one determined axial profile representing a displacement of the wheel assembly surface from said representative profile.

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