Utilisation of stray electromagnetic field for no-contact operational diagnostic of asynchronous machine

Bernat, Petr; Kacor, Petr

doi:10.1109/elektro.2014.6848898

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Cited by 7 publications

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“…Laser Doppler Vibrometry (LDV) has been primarily used in medicine [1][2][3] but offers a wide range of technical capabilities also in engineering applications involving contactless vibration measurement [4][5][6][7][8]. It has been introduced as a very sensitive method applicable for measurements that assess movements of high-dynamic components.…”

Section: Introductionmentioning

confidence: 99%

Correction of Oblique-Angle Oscillation for Laser Doppler Vibrometry

Kindl¹,

Kavalir²,

Sika³

et al. 2019

Komunikácie

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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.

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