1. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Use of Image-Based Direct Normal Irradiance Forecasts in the Model Predictive Control of a Solar-Thermal Reactor
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Schematic of solar-thermal reactor for the steam-gasification of carbon

2. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Use of Image-Based Direct Normal Irradiance Forecasts in the Model Predictive Control of a Solar-Thermal Reactor
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Diagram of proposed control system

3. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Use of Image-Based Direct Normal Irradiance Forecasts in the Model Predictive Control of a Solar-Thermal Reactor
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Strategy for the image-based DNI forecasts

4. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Use of Image-Based Direct Normal Irradiance Forecasts in the Model Predictive Control of a Solar-Thermal Reactor
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Output images after applying masks. (a) Mask 1, (b) Mask 2, (c) Mask 3.

5. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Use of Image-Based Direct Normal Irradiance Forecasts in the Model Predictive Control of a Solar-Thermal Reactor
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Four sky scenarios and main characteristics. (a) Sunny scenario. (b) Cloudy scenario. (c) Transition scenario, covered case. (d) Transition scenario, uncovered case.

6. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Use of Image-Based Direct Normal Irradiance Forecasts in the Model Predictive Control of a Solar-Thermal Reactor
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Example of characteristics obtained from images. (a) Uncovered case. (b) Covered case.

7. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Use of Image-Based Direct Normal Irradiance Forecasts in the Model Predictive Control of a Solar-Thermal Reactor
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Comparison between the predicted one-minute-ahead DNI and the measured DNI, for two different dates. (a) February 27th, (b) November 14th, 2012.

8. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Use of Image-Based Direct Normal Irradiance Forecasts in the Model Predictive Control of a Solar-Thermal Reactor
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Integration of image-based DNI predictor with MPC algorithm

9. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Use of Image-Based Direct Normal Irradiance Forecasts in the Model Predictive Control of a Solar-Thermal Reactor
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Comparison of MPC strategies. (a) Synthesis gas fraction. (b) CO:CO2 ratio.

10. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Use of Image-Based Direct Normal Irradiance Forecasts in the Model Predictive Control of a Solar-Thermal Reactor
J. Sol. Energy Eng. 2013;136(1): doi: /
Figure Legend:
Manipulated variables using different MPC strategies. (a) Gas flow rate. (b) Steam flow.