1. 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): doi: /
Figure Legend:
Sketch of a high bypass ratio turbofan

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): doi: /
Figure Legend:
Graphical interpretation of the coefficient of determination

3. 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): doi: /
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

4. 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): doi: /
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

5. 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): doi: /
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

6. 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): doi: /
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

7. 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): doi: /
Figure Legend:
WSSR for engine 221: dashed line—no detrending of gradual deterioration and solid line—detrending of gradual deterioration

8. 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): doi: /
Figure Legend:
WSSR for engine 250: dashed line—no detrending of gradual deterioration and solid line—detrending of gradual deterioration

9. 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): doi: /
Figure Legend:
Partial ROC curves for configuration 2 of the proposed anomaly detector