Défaillance de systèmes

ti
A
ti
A< ti B
ACB
BdBaBdtA
Ba
[a1, a2, ..., an]a1, a2, ..., an
ti
a1< ti a2< ... < ti an
[a1, a2, ..., an]
≤
[a1, a2, ..., an]≤[b1, b2, ..., bp]⇔ ∀1≤i<j≤n, ∃bk,∃blk < l, ai=bkaj=bl

≤
fAFA
P r{A·B}(t) = P rA(t)P rB(t)
P r{A+B}(t) = P rA(t) + P rB(t)−P rA(t)P rB(t)
P r{ACB}(t) = Zt
0
fB(u)FA(u) du
Bd
Bafa(t, tA)
P r{Q}(t) = Zt
0
(Zt
v
fBa(u, v) du)fA(v) dv+Zt
0
fA(u)FB(u) du