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Shock and Vibration
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Shock and Vibration
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2015
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Article
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Tab 2
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Research Article
Application of
Control Charts and Hidden Markov Models in Condition-Based Maintenance at Thermoelectric Power Plants
Table 2
Number of data points above the upper control limit.
Date of signal acquisition
Number of weeks after grinding table replacement
Number of data points above UCL
Data points above UCL [%]
Feb. 2, 2012
2
8
1.43%
Feb. 24, 2012
5
383
68.27%
Mar. 15, 2012
8
476
84.85%
Apr. 5, 2012
2
94
16.75%
Apr. 19, 2012
4
323
57.58%