Vibration Reliability Evaluation of Main Fan Spindle Bearings

Table 4

Estimated true value and interval with different empirical coefficients.

Empirical coefficients ρ	0.05	0.1	0.15	0.2	0.25
Estimated true value	0.97	0.85	0.837	0.816	0.801
Estimation interval	[0.9000, 0.9875]	[0.9431, 0.9848]	[0.9523, 0.977]	[0.9506, 0.973]	[0.9469, 0.9692]
Estimated interval difference	0.0875	0.0417	0.0247	0.0224	0.0151