Title
An automatic position calibration method for the scanning laser Doppler vibrometer
Author
Faculty/Department
Faculty of Applied Engineering Sciences
Publication type
article
Publication
Bristol ,
Subject
Engineering sciences. Technology
Source (journal)
Measurement science and technology. - Bristol
Volume/pages
14(2003) :8 , p. 1469-1476
ISSN
0957-0233
ISI
000184917300038
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
When using a scanning Doppler laser vibrometer (SLDV) an important amount of user interaction is required to perform a calibration between the required scanning mirror angles and the coordinates of the grid points which are to be measured. Apart from the possibility of leading to incorrect (or inaccurate) laser beam positioning, the user interaction is a problem when the SLDV is used in-line (for instance as a quality control tool in the production process). In this paper, a method is developed to perform the position calibration in a fully automatic manner. The method is validated with the aid of two SLDV measurement examples: a sheet with a rectangular mesh, and an electronic circuit board.
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