A measurement system based on photogrammetry has been developed and used to measure the “as-assembled” geometry of a variety of racecar suspensions. A standard methodology for photographing a suspension, and special targets have been developed to use with commercially available photogrammetry software. Several types of targets are discussed; these included targets to identify the center of rotation of the linkages and the orientation of the wheel mounting surface. The system is used with a 5.1 mega-pixel camera to measure the 3D geometry of a suspension in space. Physical camber and toe variation in bump is then measured and correlated with the numerical computation of camber and toe variation using a suspension kinematics package and the geometry generated using the technique.
As-Assembled Suspension Geometry Measurement using Photogrammetry
Sae Technical Papers
Motorsports Engineering Conference & Exposition ; 2006
2006-12-05
Conference paper
English
2006-01-3618 As-Assembled Suspension Geometry Measurement using Photogrammetry
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