Fault Tree Interval Analysis of Complex Systems Based on Universal Grey Operation

Table 1

Interval of basic event failure probability in the landing gear retraction system fault tree.

Fault code	Interval of basic event failure probability	Fault code	Interval of basic event; failure probability
X1		X11
X2		X12
X3		X13
X4		X14
X5		X15
X6		X16
X7		X17
X8		X18
X9		X19
X10		X20