Signal filtering method

The signal filtering method enhances the characterization of rotating shafts by defining indicators through frequency analysis and applying a filtering template, addressing the complexity of gyroscopic effects and deformations for improved control and diagnostics.

FR3153425B1Active Publication Date: 2025-12-05SKF MAGNETIC MECHATRONICS SAS
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Patent Information

Application Number
FR2023010163
Authority / Receiving Office
FR · FR
Patent Type
Patents
Current Assignee / Owner
Filing Date
2023-09-25
Publication Date
2025-12-05
Estimated Expiration
2043-09-25

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Abstract

[Signal Filtering Method] This method for filtering at least one signal, the filtering being determined from representative measurements of the motion of a rotating shaft, comprises the following steps: - definition of at least one indicator characterizing the rotating shaft, the characterization indicator being obtained from a frequency analysis of the rotating shaft's behavior (step 120); - determination of a filtering template based on the characterization indicator (step 130); and - application of the filtering template to the signal to be filtered (step 140). Figure for the abstract: Fig. 3
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