The figure below shows a standby redundant system with two units. The failure distributions for both units are exponential, F(t) = 1 - e-lambda t but the failure rates differ. The failure rate for the first unit A is lambda A and the failure rate for the second (standby) unit is lambda B. Derive an expression for the system reliability, R(t)..[Answer: ] Solution The following link will help : http://www.ecs.umass.edu/ece/koren/FaultTolerantSystems/simulator/NonSerPar/samples2.html http://www.ecs.umass.edu/ece/koren/FaultTolerantSystems/simulator/NonSerPar/nsnpframe.htm l Plz rate if helpful.

1. The figure below shows a standby redundant system with two units. The failure distributions for
both units are exponential, F(t) = 1 - e-lambda t but the failure rates differ. The failure rate for
the first unit A is lambda A and the failure rate for the second (standby) unit is lambda B. Derive
an expression for the system reliability, R(t)..[Answer: ]
Solution
The following link will help :
http://www.ecs.umass.edu/ece/koren/FaultTolerantSystems/simulator/NonSerPar/samples2.html
http://www.ecs.umass.edu/ece/koren/FaultTolerantSystems/simulator/NonSerPar/nsnpframe.htm
l
Plz rate if helpful