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International Journal of Photoenergy
Volume 2015 (2015), Article ID 380684, 8 pages
Research Article

Maximum Power Point Tracking Based on Sliding Mode Control

1Electronics Engineering Department, Technological Institute of Celaya, 38010 Celaya, GTO, Mexico
2Applied Mathematics Division, Potosino Institute of Scientific and Technological Research, 78216 San Luis Potosi, SLP, Mexico
3Engineering Faculty, Veracruz University, 94294 Boca del Rio, VER, Mexico

Received 19 November 2014; Revised 27 January 2015; Accepted 27 January 2015

Academic Editor: Emilio Bueno

Copyright © 2015 Nimrod Vázquez et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Solar panels, which have become a good choice, are used to generate and supply electricity in commercial and residential applications. This generated power starts with the solar cells, which have a complex relationship between solar irradiation, temperature, and output power. For this reason a tracking of the maximum power point is required. Traditionally, this has been made by considering just current and voltage conditions at the photovoltaic panel; however, temperature also influences the process. In this paper the voltage, current, and temperature in the PV system are considered to be a part of a sliding surface for the proposed maximum power point tracking; this means a sliding mode controller is applied. Obtained results gave a good dynamic response, as a difference from traditional schemes, which are only based on computational algorithms. A traditional algorithm based on MPPT was added in order to assure a low steady state error.