Mathematical Problems in Engineering

Research Article

Unavailability Analysis for k-out-of-n:G Systems with Multiple Failure Modes Based on Micro-Markov Models

Table 1

SIL for the low demand mode of operation.
SILPFDavg
4≥10−5 to <10−4
3≥10−4 to <10−3
2≥10−3 to <10−2
1≥10−2 to <10−1