Optimization of lifetime maintenance strategies for deteriorating structures considering probabilities of violating safety, condition, and cost thresholds
作者： Christian Bucher , Dan M. Frangopol
DOI: 10.1016/J.PROBENGMECH.2005.06.002
关键词:
摘要: Abstract Modern maintenance strategies for deteriorating structures are typically based on minimizing total cost. Extensions of this concept into the nondeterministic range allow to take account uncertainty in In paper, probability exceeding a cost threshold is included structure optimization problem. addition, probabilities violating acceptable levels safety and condition computed. Based this, an task can be formulated solved which these formulation objective function constraint conditions. Smoothing Monte-Carlo-based results carried out utilizing smoothing procedure by regression methods well-known response surface approach. Both time-based performance-based taken account. The minimized with respect parameters both types maintenance. Taking failure, optimal values level time interval between subsequent applications obtained. It shown that different design lead same thus allowing trade-off at discretion manager.
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