“…Thus, the corresponding assessment models must have capability to deal with this uncertain information in assessment process. The current methods of reliability assessment include factor analysis [13], utility theory analysis [14], analytic hierarchy process [15,16], Bayesian inference [17,18], fuzzy logic reasoning [9,19], hybrid method [20], and artificial intelligence reasoning [21][22][23]. The factor analysis can express the relationship between multiple attributes by a few weighted factors, which aims to reflect the comprehensive information of the system.…”