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30 May 2003 Development of an autonomous scanning laser Doppler vibrometer vibration tracking method for inline quality control
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Abstract
Optical measurement techniques are being used more and more for quality control in the production process. An important problem when trying to implement optical measurement systems, and in particular the scanning laser Doppler vibrometer (SLDV) which is considered in this paper, is that user interaction is always required. The need for user interaction implies an increase in testing time and cost and also brings an additional source of variability of the test results. In this article, a completely autonomous test procedure is developed to track the vibration behavior of a product during the production process (this includes automatic laser focusing, position calibration, object recognition, grid generation and mode estimation). The proposed procedure typically requires a few minutes only to automatically determine a high resolution model of the vibration behavior. The method will be validated on measurements of an electronic circuit board.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Steve Vanlanduit, Bart Cauberghe, Patrick Guillaume, and Peter Verboven "Development of an autonomous scanning laser Doppler vibrometer vibration tracking method for inline quality control", Proc. SPIE 5144, Optical Measurement Systems for Industrial Inspection III, (30 May 2003); https://doi.org/10.1117/12.501236
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