Table 3 \(FCFR\) of \({x}_{in}\left(t\right)\) and \({x}_{out}\left(t\right)\), using three envelope detection methods
From: FPGA implementation of an improved envelope detection approach for bearing fault diagnosis
Fault characteristic frequency ratio \({\varvec{F}}{\varvec{C}}{\varvec{F}}{\varvec{R}}\) | Envelope detection Methods | ||
|---|---|---|---|
\({\varvec{H}}{\varvec{T}}\) | \({\varvec{T}}{\varvec{E}}{\varvec{O}}\) | \({\varvec{I}}{\varvec{T}}{\varvec{E}}{\varvec{O}}\) | |
Simulated signal \({{\varvec{x}}}_{{\varvec{i}}{\varvec{n}}}\left({\varvec{t}}\right)\) | 7.65 | 11.84 | 25.93 |
Simulated signal \({{\varvec{x}}}_{{\varvec{o}}{\varvec{u}}{\varvec{t}}}\left({\varvec{t}}\right)\) | 11.61 | 14.07 | 36.51 |