Maintenance policy optimisation for multi-component systems considering degradation of components and imperfect maintenance actions
Fecha
2018-10-01
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Elsevier Ltd
Resumen
This article proposes a stochastic optimisation model in order to reduce the long-term total maintenance cost of complex systems. The proposed work is based on the following approaches: (i) optimisation of a cost model for complex multi-component systems consisting of preventive and corrective maintenance using reliability analysis, which faces two different maintenance policies (periodic block-type and age-based) and (ii) a clustering method for maintenance actions to decrease the total maintenance cost of the complex system. This work evaluates each maintenance policy and measures the effects on imperfect maintenance actions. Finally, the proposed optimisation model is applied to a numerical example which focuses on passenger urban aerial ropeway transport systems, in which the current maintenance policy has been evaluated, considering the established by the international regulation of passenger aerial cable cars. © 2018 Elsevier Ltd
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Antennas, Cost benefit analysis, Costs, Large scale systems, Optimization, Planning, Reliability analysis, Stochastic models, Stochastic systems, Urban transportation, Imperfect maintenance, International regulations, Maintenance optimisation, Maintenance policy, Multi-component systems, Preventive and corrective maintenance, Ropeway, Stochastic optimisation, Preventive maintenance