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Erschienen in:
2015 | OriginalPaper | Buchkapitel
Preventive Maintenance and Replacement Scheduling in Multi-component Systems
verfasst von : Seyed Ahmad Ayatollahi, Mirmehdi Seyyed-Esfahani, Taha-Hossein Hejazi
Erschienen in: Numerical Methods for Reliability and Safety Assessment
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Abstract
Maintenance and replacement schedule is one of the most important issues in industrial-production systems to ensure that the system is sufficient. This chapter presents a multi-objective model to schedule preventive maintenance activities for a series system of several standby subsystems where each component has an increasing rate of occurrence of failure (ROCOF). The planning horizon divided into the same length and discrete intervals that in each period three different maintenance actions such as maintenance, replacement, and do nothing can be performed. The objectives of this model are maximizing the system reliability and minimizing the total system cost. Because of nonlinear and complex structure of the mathematical model, non-dominated sorting genetic algorithm (NSGA-II) is used to solve this model. Finally, a numerical example is illustrated to show the model’s effectiveness.