Fluctuation Mechanism and Control on System Instantaneous Availability

266 ◾ System Instantaneous Availability

9.5 Operation Phase

In the case of no preventive maintenance, suppose the service life, repair time for

repairable maintenance, and logistic delay time follow the probability distribu-

tions Weibull(α

1

, β

1

), Weibull(α

2

, β

2

), and Weibull(α

3

, β

3

), respectively, and the

truncated points are n

1

, n

2

, and n

3

. Use the cost constraint C

3

. e constraint

(λ, μ, ρ) ∈ Θ

3

on system failure rate, repair rate for repairable maintenance, and

logistic delay rate follow Weibull distribution, and suppose Θ

3

is affected by the

demonstration factors (α

1

, β

1

, α

2

, β

2

, α

3

, β

3

). Assume the constraint set of these

demonstration ...