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Date of download: 10/5/2017 Copyright © ASME. All rights reserved.

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1 Date of download: 10/5/2017 Copyright © ASME. All rights reserved. From: Fault Monitoring of Wind Turbine Generator Brushes: A Data-Mining Approach J. Sol. Energy Eng. 2012;134(2): doi: / Figure Legend: Cause and effect diagram of the “generator brush worn” fault

2 Date of download: 10/5/2017 Copyright © ASME. All rights reserved. From: Fault Monitoring of Wind Turbine Generator Brushes: A Data-Mining Approach J. Sol. Energy Eng. 2012;134(2): doi: / Figure Legend: Samples of worn out carbon brushes

3 Date of download: 10/5/2017 Copyright © ASME. All rights reserved. From: Fault Monitoring of Wind Turbine Generator Brushes: A Data-Mining Approach J. Sol. Energy Eng. 2012;134(2): doi: / Figure Legend: Distribution of generator brush worn out faults across 27 wind turbines

4 Date of download: 10/5/2017 Copyright © ASME. All rights reserved. From: Fault Monitoring of Wind Turbine Generator Brushes: A Data-Mining Approach J. Sol. Energy Eng. 2012;134(2): doi: / Figure Legend: Identifying Tomek links

5 Date of download: 10/5/2017 Copyright © ASME. All rights reserved. From: Fault Monitoring of Wind Turbine Generator Brushes: A Data-Mining Approach J. Sol. Energy Eng. 2012;134(2): doi: / Figure Legend: Iterative sampling of dataset t + 21 using Tomek links

6 Date of download: 10/5/2017 Copyright © ASME. All rights reserved. From: Fault Monitoring of Wind Turbine Generator Brushes: A Data-Mining Approach J. Sol. Energy Eng. 2012;134(2): doi: / Figure Legend: Process flow for random forest based data sampling approach

7 Date of download: 10/5/2017 Copyright © ASME. All rights reserved. From: Fault Monitoring of Wind Turbine Generator Brushes: A Data-Mining Approach J. Sol. Energy Eng. 2012;134(2): doi: / Figure Legend: Boosted tree plot of prediction error function for dataset t + 21

8 Date of download: 10/5/2017 Copyright © ASME. All rights reserved. From: Fault Monitoring of Wind Turbine Generator Brushes: A Data-Mining Approach J. Sol. Energy Eng. 2012;134(2): doi: / Figure Legend: The relative contribution of f_measure corresponding to different data sampling techniques


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