Dynamic Importance Analysis of Components with Known Failure Contribution of Complex Systems

Table 1

Comparison of traditional measures.

Refs.	Up to year	Method	Formula	Dynamic characteristics
Birnbaum [13]	1969	Birnbaum importance measure		Dynamic
Barlow and Proschan [4]	1975	Barlow-Proschan importance measure		Dynamic
Griffith [15]	1980	Griffith importance measure		Dynamic
Natvig [29]	1982	Natvig importance measure		Static with the mean lifetime and repair time
Wu [17]	2005	Wu importance measure		Static
Si et al. [1]	2012	Integrated importance measure		Dynamic