Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Regression-Based Modeling of a Fleet of Gas Turbine Engines for Performance Trending J. Eng. Gas Turbines Power. 2015;138(2):021201-021201-9. doi:10.1115/1.4031253 Figure Legend: Sketch of a high bypass ratio turbofan

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Regression-Based Modeling of a Fleet of Gas Turbine Engines for Performance Trending J. Eng. Gas Turbines Power. 2015;138(2):021201-021201-9. doi:10.1115/1.4031253 Figure Legend: Graphical interpretation of the coefficient of determination

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Regression-Based Modeling of a Fleet of Gas Turbine Engines for Performance Trending J. Eng. Gas Turbines Power. 2015;138(2):021201-021201-9. doi:10.1115/1.4031253 Figure Legend: Distribution of the coefficient of determination for Wf over the fleet for the testing set: solid line—model 1 and dashed line—model 2

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Regression-Based Modeling of a Fleet of Gas Turbine Engines for Performance Trending J. Eng. Gas Turbines Power. 2015;138(2):021201-021201-9. doi:10.1115/1.4031253 Figure Legend: Distribution of the coefficient of determination for T24 over the fleet on the testing set: solid line—model 1 and dashed line—model 2

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Regression-Based Modeling of a Fleet of Gas Turbine Engines for Performance Trending J. Eng. Gas Turbines Power. 2015;138(2):021201-021201-9. doi:10.1115/1.4031253 Figure Legend: Distribution of the coefficient of determination for Wf over the fleet with model 1: solid line—training set and dashed line—testing set

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Regression-Based Modeling of a Fleet of Gas Turbine Engines for Performance Trending J. Eng. Gas Turbines Power. 2015;138(2):021201-021201-9. doi:10.1115/1.4031253 Figure Legend: Distribution of the coefficient of determination for Wf over the fleet with model 2: solid line—training set and dashed line—testing set

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Regression-Based Modeling of a Fleet of Gas Turbine Engines for Performance Trending J. Eng. Gas Turbines Power. 2015;138(2):021201-021201-9. doi:10.1115/1.4031253 Figure Legend: WSSR for engine 221: dashed line—no detrending of gradual deterioration and solid line—detrending of gradual deterioration

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Regression-Based Modeling of a Fleet of Gas Turbine Engines for Performance Trending J. Eng. Gas Turbines Power. 2015;138(2):021201-021201-9. doi:10.1115/1.4031253 Figure Legend: WSSR for engine 250: dashed line—no detrending of gradual deterioration and solid line—detrending of gradual deterioration

Date of download: 10/19/2017 Copyright © ASME. All rights reserved. From: Regression-Based Modeling of a Fleet of Gas Turbine Engines for Performance Trending J. Eng. Gas Turbines Power. 2015;138(2):021201-021201-9. doi:10.1115/1.4031253 Figure Legend: Partial ROC curves for configuration 2 of the proposed anomaly detector