Fig 1.
Spare parts based on reliability and risk factors.
Table 1.
The classification of risk factors.
Table 2.
Some of the TTF data associated with Caterpillar excavator risk failure factors.
Table 3.
The P-value values for the estimation of the PH of risk factors.
Fig 2.
The Cox-Snell residual diagram of the exponential frailty model.
Table 4.
The GOF values of regression functions.
Table 5.
The Exponential frailty estimated parameters.
Table 6.
The Exponential classical estimated parameters.
Fig 3.
Reliability diagram of the classical and frailty exponential function for EBN.
Fig 4.
The number of EBN.
Fig 5.
The amounts for re-order shipping and the economic order quantities of EBNs.