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Proceedings Paper

In-plane and out-of-plane deformation and vibration measurement using an optomechanical image derotator
Author(s): Maik Rahlves; Sahar Mirzaei; Thomas Fahlbusch; Eduard Reithmeier
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Paper Abstract

Rotating machinery parts, e. g. roller bearings or turbine engines, are present in many industrial applications. Within this paper, a metrology system for determining the out-of-plane and in-plane deformation and vibration of rotating objects is presented. The system consists of an optomechanical image derotator, which is combined with a high speed camera and a scanning Laser-Doppler-Vibrometer (LDV). The image derotator is used to measure deflection and vibration in a coordinate system fixed to the rotating object. To demonstrate the capability of this measurement system, examples of high relevance in industrial applications are considered.

Paper Details

Date Published: 10 September 2009
PDF: 8 pages
Proc. SPIE 7432, Optical Inspection and Metrology for Non-Optics Industries, 74320L (10 September 2009); doi: 10.1117/12.825254
Show Author Affiliations
Maik Rahlves, Leibniz Univ. Hannover (Germany)
Sahar Mirzaei, Leibniz Univ. Hannover (Germany)
Thomas Fahlbusch, Leibniz Univ. Hannover (Germany)
Eduard Reithmeier, Leibniz Univ. Hannover (Germany)

Published in SPIE Proceedings Vol. 7432:
Optical Inspection and Metrology for Non-Optics Industries
Peisen S. Huang; Toru Yoshizawa; Kevin G. Harding, Editor(s)

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