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Geometric position control : towards new tools more efficient

Gilles Diolez 
Abstract : The goal of this work is the control of relative position between two solids. To positioning, it is necessary to measure. In this thesis, we propose a conceptual analysis of existing measurement devices. Some of them evaluate position by following several coordinates. So we can determine error parameters from these acquisitions. From such measures, we have developed methods to identify parameters of analytical error model and to calculate the associated uncertainty. We have also developed a measurement instrument to realize simultaneous acquisition of the 6 position parameters of a solid. It is based on exploitation of length measuring instruments, implanted according to parallel architecture. The length measuring instruments conception was declined on several realizations with different condition of use. Currently, we reached an uncertainty of ±3 μm on a measure stroke of 600mm.
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Submitted on : Friday, May 25, 2007 - 8:00:00 AM
Last modification on : Friday, May 25, 2007 - 8:00:00 AM
Long-term archiving on: : Thursday, September 30, 2010 - 8:10:33 PM


  • HAL Id : pastel-00002351, version 1



Gilles Diolez. Geometric position control : towards new tools more efficient. Engineering Sciences [physics]. Arts et Métiers ParisTech, 2006. English. ⟨NNT : 2006ENAM0029⟩. ⟨pastel-00002351⟩



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