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Patents Year : 2002

Method for contactless measuring of vibrations of a rotating body

Abstract

Stationary sensors are used to measure periodically the vibratory motions of portions of a body spinning in front of them, such as blades, and to try to determine their natural frequencies by spectral analyses. The sensors are collected together in several networks of different numbers and the determination includes a comparison of the spectra of the different networks via different operations of selection and rejection of lines. The process appreciably pushes back the limit of unambiguous frequency detection.
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Dates and versions

hal-02518504 , version 1 (25-03-2020)

Identifiers

  • HAL Id : hal-02518504 , version 1

Cite

Pierre Beauseroy, Jean-Louis Peyraud, Régis Lengellé. Method for contactless measuring of vibrations of a rotating body. United States, Patent n° : US6668651. 2002. ⟨hal-02518504⟩
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