Reliability Evaluation of Data Communication System Based on Dynamic Fault Tree under Epistemic Uncertainty

Table 2

Basic events’ FPS and FFR.

Basic events	Fuzzy numbers	FPS	FFR
X1	[0.1602, 0.2093, 0.3104, 0.6988]	0.0741	4.6𝑒−6
X2, X3	[0.2501, 0.3003, 0.5499, 0.9331]	0.1235	3.8𝑒−5
X4, X5	[0.2201, 0.2598, 0.4001, 0.9503]	0.1005	2𝑒−5
X6, X7	[0.2002, 0.2397, 0.3596, 0.8395]	0.0887	1𝑒−5
X8	[0.1396, 0.1801, 0.2802, 0.6812]	0.0714	3.9𝑒−6
X9	[0.1203, 0.1501, 0.2497, 0.6030]	0.0653	2.6𝑒−6
X10, X11	[0.2604, 0.2899, 0.5765, 0.9369]	0.1326	5𝑒−5
X14, X15, X20, X21	[0.2396, 0.2801, 0.5006, 0.9983]	0.1209	3.5𝑒−5
X16, X17, X22, X23	[0.2801, 0.3099, 0.6601, 0.9024]	0.1439	6.8𝑒−5
X18, X19, X24, X25	[0.2704, 0.3006, 0.6199, 0.9001]	0.1367	5.6𝑒−5
X26	[0.1795, 0.2203, 0.3504, 0.7792]	0.0856	8.6𝑒−6