Spatial Coordinate Measurement
Using Structured Laser Light and a Spherical Mirror
A coordinate measurement method using a spherical mirror as a target is developed. A slit-ray laser scanner and a photo-detector are employed to detect the direction of the reflection from the target mirror. This method is suitable for robot performance measurements at which the attitude of the target changes, because only curvature center of the mirror can be detected. Moreover, the use of the spherical mirror allows precise calibration and easy setting.
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OIWA Takaaki et al.