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Open AccessArticle

Non-Linear Sliding Mode Controller for Photovoltaic Panels with Maximum Power Point Tracking

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Departament de Telecomunicació i d’Enginyeria de Sistemes, Escola d’Enginyeria Universitat Autònoma de Barcelona (UAB), Bellaterra, Cerdanyola del Vallés, 08193 Barcelona, Spain
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School of Electrical Engineering and Computer Science, National University of Science and Technology (NUST), Slamabad 44000, Pakistan
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Departamento de Ingeniería, Facultad de Ciencias Naturales e Ingeniería, Universidad de Bogotá Jorge Tadeo Lozano, Bogotá, Distrito Capital 110311, Colombia
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Departamento de Electrónica y Telecomunicaciones, Facultad de Ingenierías, Instituto Tecnológico Metropolitano, Calle 54 A #30-01, Medellín, Antioquia, Colombia
*
Author to whom correspondence should be addressed.
Processes 2020, 8(1), 108; https://doi.org/10.3390/pr8010108
Received: 11 November 2019 / Revised: 20 December 2019 / Accepted: 8 January 2020 / Published: 14 January 2020
(This article belongs to the Section Computational Methods)
In this paper, nonlinear sliding mode control (SMC) techniques formulated for extracting maximum power from a solar photovoltaic (PV) system under variable environmental conditions employing the perturb and observe (P and O) maximum power point tracking (MPPT) technique are discussed. The PV system is connected with load through the boost converter. A mathematical model of the boost converter is derived first, and based on the derived model, a SMC is formulated to control the gating pulses of the boost converter switch. The closed loop system stability is verified through the Lyapunov stability theorem. The presented control scheme along with the solar PV system is simulated in MATLAB (matric laboratory) (SMC controller and PWM (Pulse Width Modulation) part) and PSIM (Power electronics simulations) (solar PV and MPPT algorithm) environments using the Simcoupler tool. The simulation results of the proposed controller (SMC) are compared with the classical proportional integral derivative (PID) control scheme, keeping system parameters and environmental parameters the same. View Full-Text
Keywords: integer order SMC; maximum power point tracking; photovoltaic panel; perturb and observe algorithm integer order SMC; maximum power point tracking; photovoltaic panel; perturb and observe algorithm
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MDPI and ACS Style

Gohar Ali, H.; Vilanova Arbos, R.; Herrera, J.; Tobón, A.; Peláez-Restrepo, J. Non-Linear Sliding Mode Controller for Photovoltaic Panels with Maximum Power Point Tracking. Processes 2020, 8, 108.

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