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Resumo(s)
Condition Based Maintenance became an important development in industrial and transport equipment maintenance efforts. Many statistical methodologies have been applied in this area. These methodologies are usually applied off-line: after the data is collected. We propose an online, real-time condition monitoring system based on a modified control chart, applied to engine parameters. These charts should be
flexible enough and its control limits should reflect the equipment state, the manufacturer specifications and onboard meteorological conditions. In this study we will develop a methodology to specify flexible chart control limits. The experimental equipment is a combined diesel or gas propulsion system. Two phases will be
assumed. In phase 1 the equipment and historical data are analyzed, studying historical data, which leads to the definition of equipment parameters. In phase 2, new data is obtained by simulation, and the Exponentially Weighted Moving Average charts are applied considering flexible limits.
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Contexto Educativo
Citação
Lampreia, S., et al..., (2016). Control Charts Limits Flexibility Based on the Equipment Conditions. Maritime Technology and Engineering 3, ISBN 978-1-138-03000-8, p.847-852. Taylor, Lisboa, 4 a 6 Julho