Reliability Modeling for Systems with Multiple Degradation Processes Using Inverse Gaussian Process and Copulas

Table 4

Estimation and the 90% confidence intervals.

Parameter	Crack A			Crack B
	Estimation	CI. lower	CI. upper	Estimation	CI. lower	CI. upper
𝜎	69226	53583	104220	17778	14183	27403
𝜔	0.074	0.066	0.079	0.149	0.128	0.160
𝛿	123.628	90.466	268.429	52.161	38.557	140.941
𝛾	1.349	1.324	0.390	1.257	1.232	1.312