Infrastructure maintenance planning is a large-scale optimization problem of when and on which components to carry out so as keep the whole infrastructure in good condition with minimal cost. Recent advances monitoring techniques have enabled timely response each part regardless age. In addition condition, spatial structure also important for cost-efficiency since traveling costs and/or setup c...

Abstract Maintenance policy selection for vessel equipment is a multiple criteria decision making. To ensure security, reliability and efficiency of vessel equipment, a maintenance decision model based on risk, availability and cost was proposed according to the characteristics of vessel equipment maintenance. For modeling, analytic network process (ANP) has been employed. And the maintenance p...