WAVEFORM ANALYSIS DEVICE AND WAVEFORM ANALYSIS METHOD
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United States of America Patent
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Issued Date -
Nov 9, 2023
app pub date -
May 12, 2021
filing date -
Sep 28, 2020
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Abstract
The present invention prevents stoppage or a disruptive accident during operation due to a breakdown in machinery. A waveform analysis device 200 comprises: a sensor unit 300 for detecting a physical phenomenon; a discrete Fourier transform unit 208 for performing a discrete Fourier transform of a detection signal transmitted from the sensor unit 203; a later-stage weighting unit 209 for setting amplitude values at each frequency generated by the discrete Fourier transform unit 208 that exceed a prescribed upper-limit value to said prescribed upper-limit value; and an accumulation unit 210 for adding the amplitude values at each frequency weighted by the later-stage weighting unit 209. An operator console 100 sets the prescribed upper-limit value in the waveform analysis device 200.
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