Correction of Oblique-Angle Oscillation for Laser Doppler Vibrometry

https://doi.org/10.26552/com.C.2019.4.75-80

  • Vladimir Kindl
  • Tomas Kavalir
  • Jiri Sika
  • Michal Krizek
Keywords: laser, doppler, vibrometry, measurement, prototype, oblique-angle, correction

Abstract

The paper proposes a correction method of the oblique-angle vibration for laser doppler vibrometry. It briefly discusses the key mathematical approach considering the surface of the analysed object to be a reference plane and gives a practical example of the method proper application. The proposed correction method is practically verified by laboratory measurement of natural frequencies and mode shapes for vibrations of high voltage transformer housing. The results are further compared to equivalent accelerometer measurement.

Author Biographies

Vladimir Kindl

Regional Innovation Centre for Electrical Engineering, Faculty of Electrical Engineering, University of West Bohemia, Pilsen, Czech Republic

Tomas Kavalir

Regional Technological Institute, Faculty of Mechanical Engineering, University of West Bohemia, Pilsen, Czech Republic

Jiri Sika

Regional Technological Institute, Faculty of Mechanical Engineering, University of West Bohemia, Pilsen, Czech Republic

Michal Krizek

Regional Technological Institute, Faculty of Mechanical Engineering, University of West Bohemia, Pilsen, Czech Republic

Published
2019-10-01
How to Cite
Vladimir Kindl, Tomas Kavalir, Jiri Sika, & Michal Krizek. (2019). Correction of Oblique-Angle Oscillation for Laser Doppler Vibrometry. Communications - Scientific Letters of the University of Zilina, 21(4), 75-80. https://doi.org/10.26552/com.C.2019.4.75-80
Section
Electrical Engineering in Transport