Sparing reliability models
R(1,N-1) = [1 - (1 - R)N]Rs (31)
R(1,1) = 2R - R2 if Rs = 1 (32)
MTTF = 3/2? for R(t) = e-? t
Rc(1,1) = R2 + 2R(1 - R)C (34)
Rsb(t) = R(t) + F(t1)R(t - t1) (35)
If R(t) = e-? t
- Rsb(t) = e-? t + (? t ) e-? t (36)
- MTTFsb = 2/? (37)