Identification Method For Scale, Pitch And Yaw
Deviations With Linear Measurements
Author(s)
Y. Dupont, G.M. Cloutier & J.R.R. Mayer
Abstract
This paper suggests a new method of identification for both translational and
rotational deviations of a prismatic mobility with solely linear optics. A
mathematic model is developed for laser interferometer measurements and a
matrix identification system is built for calculating scale, pitch and yaw
deviations of an X axis. The system is solved using the pseudo-inverse method.
A sensitivity study of this solution, with regards to the system uncertainties, is
achieved using a jacobian matrix. The benefits of ths new method compared to
angular optic measurements are given using analytical equations. Finally,
experimental results are presented.
1 Introduction
The positioning accuracy of modern machine tools remains a prime concern in
performance improvement. Machining precision is part
Keywords
Related Book
Other papers in this volume
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