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Maintenance management with application Chapter | 13  359



























             FIGURE 13.13 Iron 3 vibration.


























             FIGURE 13.14 Copper versus vibration.


             13.6 Case study (fuzzy logic with predictive maintenance)
             1. Vibration analysis
                   Equipment status control is performed based on a calculated global
                value for the vibration signal measured at critical points on the machine
                surface. Since this value is due to a response signal from the structure to
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