Bearing Normal

machine-vibration · 37 views
machine-vibrationperiodic

What It Is

CWRU bearing vibration, normal baseline. Drive-end accelerometer at 48 kHz, ~1797 RPM, healthy ball bearing.

Interpretation

Standard analysis sees: red spectrum (low-frequency / 1-over-f power). The atlas finds no named structure, but the source is distinctively extreme on Bispectrum:off_diagonal_ratio (-3.0z) — beyond what the standard bank predicts for it. It sits beside Ocean Swell in the atlas (standard-bank rank 25) — a neighbor conventional features miss.

What standard analysis sees
tail heaviness0.55
asymmetry0.21
occupancy0.60
short-range corr0.61
long-range memory0.28
spectral colour0.09
periodicity0.68
complexity0.45
time-irreversibility0.28
volatility clustering0.58
multifractality0.49
dimensionality0.67
nonstationarity0.53
What the atlas adds
Atlas-extreme metrics the standard bank can’t predict for this source
Bispectrum:off_diagonal_ratio-3.0zbank-miss 1.4σ
Septagonal (Danzer):z_conjugate+2.2zbank-miss 1.2σ
Predictability:entropy_decay_rate+2.1zbank-miss 1.9σ

Composition

dtypefloat64
range[-0.2174, 0.2322]
unique values1596 / 16384
mean ± std0.0152 ± 0.0637

Render Gallery

Atlas Position

Nearest neighborDistance
ARMA(2,1)2.96cross-origin
Ocean Swell3.10cross-origin
LIGO H1 Whitened (GW150914)3.34cross-origin

Open in Atlas →

Which Geometries Light Up

BispectrumBispectrum:off_diagonal_ratiorank 304/3070.1931
in machine-vibration
alphabetical
← / → within domain · ⇧← / ⇧→ alphabetical · ⇧← / ⇧→ inside an open render = same view across sources