Feel free to use the following IEEE publications as part of your work. Parts of the given IEEE publications, I did with the collaboration of Sandia National Laboratory as a faculty fellow.
1- Gerardo David Guerrero-Cabarcas1, Rachid Darbali-Zamora1, 2, Eduardo I. Ortiz-Rivera1 and Jason Neely2 (1-Universidad de Puerto Rico, 2-Sandia National Laboratories, Albuquerque, NM) "The Integral Mean Value Method Approach to Obtaining the Optimal Operating Conditions of a Photovoltaic System" 2019 IEEE Power and Energy Conference at Illinois (PECI), February 28, 2019 to March 1, 2019
2. Rachid Darbali-Zamora, Eduardo I. Ortiz-Rivera Amilcar A. Rincon-Charris, "Analytical photovoltaic mathematical model with varying inclination angle for satellite applications", ANDESCON 2016 IEEE, pp. 1-4, 2016.
3. Ortiz-Rivera, Eduardo I.; “Maximum Power Point Tracking using the Optimal Duty Ratio for DC-DC Converters and Load Matching in Photovoltaic Applications” 22nd IEEE Applied Power Electronics Conference and Exposition, Austin, Texas, February 24-28, 2008
Thanks,
Dr. Eduardo I. Ortiz Rivera
Professor
University of Puerto Rico, Mayagüez Campus,
Electrical and Computer Engineering
UPRM Smart Power Electronics and Aerospace Research Laboratory