
Volatility of System Instantaneous Availability ◾ 175
0.65
0.7
0.55
0.35
0.4
0.6
0.5
0.45
t/time
Instantaneous availability A(t)
0510
λ=t +1, µ=1
λ=0.1t + 1, µ=1
λ=0.001t + 1, µ=1
Figure6.21 The comparative curves of Scheme 3.
0.65
0.7
0.55
0.35
0.4
0.6
0.5
0.45
t/time
Instantaneous availability A(t)
0510
λ=t
2
+ 1, µ=1
λ=0.1t
2
+1, µ=1
λ=0.001t
2
+1, µ=1
Figure6.22 The comparative curves of Scheme 4.