TY - GEN
T1 - Modeling and analyzing safety-critical parallel-series system safety
AU - Sun, Qing
AU - Cui, Lirong
AU - Pan, Rong
PY - 2009
Y1 - 2009
N2 - There are working, and two failures states including fail-safe and fail-dangerous in safety-critical systems. This paper studies two different safety-critical parallel-series models by considering their components lifetime distribution possessing general forms. The indices of reliability and safety including the probabilities that the system in these states and mean time for the system under two different failure ways, are derived respectively. Various corresponding indices comparisons between the two different parallel-series system models, and among the series, parallel and parallel-series systems, are conducted. Finally some illustrative numerical examples are employed to show the procedures. The derived indices formulas are without component lifetime distribution assumptions, which have significant meanings for reliability analysis and safety design of the system.
AB - There are working, and two failures states including fail-safe and fail-dangerous in safety-critical systems. This paper studies two different safety-critical parallel-series models by considering their components lifetime distribution possessing general forms. The indices of reliability and safety including the probabilities that the system in these states and mean time for the system under two different failure ways, are derived respectively. Various corresponding indices comparisons between the two different parallel-series system models, and among the series, parallel and parallel-series systems, are conducted. Finally some illustrative numerical examples are employed to show the procedures. The derived indices formulas are without component lifetime distribution assumptions, which have significant meanings for reliability analysis and safety design of the system.
KW - Fail-dangerous
KW - Fail-safe
KW - Mean time
KW - Parallel-series system
KW - Safety-critical system
UR - http://www.scopus.com/inward/record.url?scp=77949502154&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=77949502154&partnerID=8YFLogxK
U2 - 10.1109/IEEM.2009.5373517
DO - 10.1109/IEEM.2009.5373517
M3 - Conference contribution
AN - SCOPUS:77949502154
SN - 9781424448708
T3 - IEEM 2009 - IEEE International Conference on Industrial Engineering and Engineering Management
SP - 2463
EP - 2467
BT - IEEM 2009 - IEEE International Conference on Industrial Engineering and Engineering Management
T2 - IEEE International Conference on Industrial Engineering and Engineering Management, IEEM 2009
Y2 - 8 December 2009 through 11 December 2009
ER -