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This paper suggest a model to calibration the pose and position of laser displacement sensor. In practice, the direction of laser and motion axis can't completely overlap. It will cause some errors in measurement. And it will have a great influence on the measurement result, especially in the large-scale measurement. Through the calibration method of this paper, the error cause by pose and position...
This paper suggests a new method to reduce the machine motion errors of a 2-dimension aspheric surface measuring. Using the laser interferometer to measure the site error of each point instead of the position error, straightness error and yaw and pitch error. Through error compensation of the new method, the simulation results and verification experiments showed that the site errors agree well within...
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