Keyphrases
Preventive Maintenance
100%
Random Initial Age
100%
Degradation System
100%
Mathematical Model
50%
Optimal Replacement
50%
Numerical Experiments
50%
Optimality Conditions
50%
Random Variables
50%
Existence Conditions
50%
Second Life
50%
Infinite Time Horizon
50%
Cost per Unit
50%
Optimal Age
50%
Used System
50%
Continuous Probability Distributions
50%
Severe Environment
50%
Total Expected Cost
50%
Numerical Procedure
50%
Age Replacement Policy
50%
Second-hand Product
50%
Mathematics
Minimizes
100%
Mathematical Modeling
100%
Unit Time
100%
Optimality
100%
Numerical Experiment
100%
Continuous Probability Distribution
100%
Unique Optimal Solution
100%
Preventive Maintenance
100%
Random Variable
100%
Life Cycle
100%
Engineering
Mathematical Model
100%
Lifecycle
100%
Numerical Experiment
100%
Optimality
100%
Random Variable ξ
100%
Infinite Time
100%
Preventive Maintenance
100%