Table 5 \(FCFR\) of signals with inner ring faults (\({S1}_{in}\) to \({S12}_{in}\)), obtained through diverse methods
From: FPGA implementation of an improved envelope detection approach for bearing fault diagnosis
Vibration signals originating from bearings exhibiting inner ring faults | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
\({{\varvec{S}}1}_{{\varvec{i}}{\varvec{n}}}\) | \({{\varvec{S}}2}_{{\varvec{i}}{\varvec{n}}}\) | \({{\varvec{S}}3}_{{\varvec{i}}{\varvec{n}}}\) | \({{\varvec{S}}4}_{{\varvec{i}}{\varvec{n}}}\) | \({{\varvec{S}}5}_{{\varvec{i}}{\varvec{n}}}\) | \({{\varvec{S}}6}_{{\varvec{i}}{\varvec{n}}}\) | \({{\varvec{S}}7}_{{\varvec{i}}{\varvec{n}}}\) | \({{\varvec{S}}8}_{{\varvec{i}}{\varvec{n}}}\) | \({{\varvec{S}}9}_{{\varvec{i}}{\varvec{n}}}\) | \({{\varvec{S}}10}_{{\varvec{i}}{\varvec{n}}}\) | \({{\varvec{S}}11}_{{\varvec{i}}{\varvec{n}}}\) | \({{\varvec{S}}12}_{{\varvec{i}}{\varvec{n}}}\) | |
Fault size \(\left[{\varvec{m}}{\varvec{m}}\right]\) | 0.18 | 0.18 | 0.18 | 0.18 | 0.36 | 0.36 | 0.36 | 0.36 | 0.53 | 0.53 | 0.53 | 0.53 |
Motor load \(\left[{\varvec{P}}{\varvec{H}}\right]\) | 0 | 1 | 2 | 3 | 0 | 1 | 2 | 3 | 0 | 1 | 2 | 3 |
Motor speed \(\left[{\varvec{r}}{\varvec{p}}{\varvec{m}}\right]\) | 1797 | 1772 | 1750 | 1730 | 1797 | 1772 | 1750 | 1730 | 1797 | 1772 | 1750 | 1730 |
Fault frequency \(\left[{\varvec{H}}{\varvec{z}}\right]\) | 162.19 | 159.93 | 157.94 | 156.14 | 162.19 | 159.93 | 157.94 | 156.14 | 162.19 | 159.93 | 157.94 | 156.14 |
\({\varvec{F}}{\varvec{C}}{\varvec{F}}{\varvec{R}}\) obtained by \({\varvec{H}}{\varvec{T}}\) | 48.08 | 45.57 | 46.04 | 52.66 | 23.27 | 20.82 | 20.90 | 18.85 | 49.75 | 36.27 | 36.79 | 35.14 |
\({\varvec{F}}{\varvec{C}}{\varvec{F}}{\varvec{R}}\) obtained by \({\varvec{T}}{\varvec{E}}{\varvec{O}}\) | 45.85 | 45.00 | 46.33 | 43.40 | 19.35 | 15.25 | 14.54 | 14.25 | 42.13 | 31.79 | 30.69 | 29.71 |
\({\varvec{F}}{\varvec{C}}{\varvec{F}}{\varvec{R}}\) obtained by \({\varvec{I}}{\varvec{T}}{\varvec{E}}{\varvec{O}}\) | 165.68 | 152.06 | 151.64 | 154.03 | 48.23 | 36.54 | 36.62 | 35.85 | 143.90 | 113.63 | 102.17 | 89.23 |