• A Cost-Effective and Efficient Electronic Design for Photovoltaic Systems for Solar Hot Water Production 

  Cámara-Díaz, Luis; Ramírez Faz, José; López Luque, Rafael; Casares de la Torre, Francisco José (MDPI, 2021)

  A significant percentage of energy consumption in buildings is to produce hot water. Photovoltaic solar heating can be considered a clean and renewable energy option—easy to install, silent, and without maintenance—to ...

• Nonlinear Controller for the Set-Point Regulation of a Buck Converter System 

  Campos-Mercado, Eduardo; Mendoza-Santos, Edwin Fernando; Torres-Muñoz, Jorge Antonio; Román-Hernández, Edwin; Moreno-Oliva, Víctor Iván; Hernández-Escobedo, Quetzalcoatl; Perea Moreno, Alberto Jesús (MDPI, 2021)

  In this paper, we present a nonlinear PID controller based on saturation functions with variable parameters in order to regulate the output voltage of a buck converter in the presence of changes in the input voltage. The ...

• The Influence of Technology on Mental Well-Being of STEM Teachers at University Level: COVID-19 as a Stressor 

  Navarro-Espinosa, Johanna Andrea; Vaquero Abellán, Manuel; Perea Moreno, Alberto Jesús; Pedrós Pérez, Gerardo; Aparicio-Martínez, Pilar; Martínez-Jiménez, Pilar (MDPI, 2021)

  Stress can result in psychopathologies, such as anxiety or depression, when this risk factor continues in time. One major stressor was the COVID-19 pandemic, which triggered considerable emotional distress and mental health ...

• Optimal Location and Sizing of DGs in DC Networks Using a Hybrid Methodology Based on the PPBIL Algorithm and the VSA 

  Grisales-Noreña, Luis Fernando; Montoya, Oscar Danilo; Hincapié-Isaza, Ricardo Alberto; Granada Echeverri, Mauricio; Perea Moreno, Alberto Jesús (MDPI, 2021)

  In this paper, we propose a master–slave methodology to address the problem of optimal integration (location and sizing) of Distributed Generators (DGs) in Direct Current (DC) networks. This proposed methodology employs a ...

• Application of the Multiverse Optimization Method to Solve the Optimal Power Flow Problem in Direct Current Electrical Networks 

  Rosales-Muñoz, Andrés Alfonso; Grisales-Noreña, Luis Fernando; Montano, Jhon; Montoya, Oscar Danilo; Perea Moreno, Alberto Jesús (MDPI, 2021)

  This paper addresses the optimal power flow problem in direct current (DC) networks employing a master–slave solution methodology that combines an optimization algorithm based on the multiverse theory (master stage) and ...

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