Results 11 to 20 of about 9,041 (189)

A Simple Distribution Energy Tariff under the Penetration of DG

open access: yesEnergies, 2020
In a scenario where distributed generation infrastructure is increasing, the impact of that integration on electricity tariffs has captured particular attention. As the distribution sector is mainly regulated, tariff systems are defined by the authority.
Javier Borquez   +4 more
doaj   +1 more source

A New Approach for Approximate Solution of ADE: Physical-Based Modeling of Carriers in Doping Region

open access: yesMathematics, 2021
The electric behavior in semiconductor devices is the result of the electric carriers’ injection and evacuation in the low doping region, N-. The carrier’s dynamic is determined by the ambipolar diffusion equation (ADE), which involves the main physical ...
Leobardo Hernandez-Gonzalez   +5 more
doaj   +1 more source

Predictive Control-Based NADIR-Minimizing Algorithm for Solid-State Transformer

open access: yesEnergies, 2021
Solid-state transformers (SSTs) are becoming an important solution to control active distribution systems. Their significant flexibility in comparison with traditional magnetic transformers is essential to ensure power quality and protection coordination
Carlos Fuentes   +2 more
doaj   +1 more source

The Impact of Aging-Preventive Algorithms on BESS Sizing under AGC Performance Standards

open access: yesEnergies, 2021
It is normally accepted that Battery Energy Storage Systems improve frequency regulation by providing fast response to the Automatic Generation Control. However, currently available control strategies may lead to early Energy Storage Systems aging given ...
Cristobal Morales   +4 more
doaj   +1 more source

Comparing the Sustainability and Circularity of Two Livestock Production Systems in the Sierra Norte of Puebla, Mexico

open access: yesBiology and Life Sciences Forum, 2023
In this study, integrated crop–livestock production systems (ISG) were compared against intensive (RF) and semi-intensive feedlot systems (FS). A sustainability evaluation incorporating multidimensional indicators and a circularity assessment using ...
Arnulfo Dominguez-Hernandez   +3 more
doaj   +1 more source

A clinically assisted collaborative system architecture for preventing falls in elderly people [PDF]

open access: yes, 2014
Falls in older adults are not only frequent but also potentially disabling for them. Detecting and preventing these falls have an important impact in the life of the elderly people.
Baloian, Nelson   +5 more
core   +1 more source

A Novel Passive Circuit Emulator for a Current-Controlled Memristor

open access: yesActive and Passive Electronic Components, 2021
A memristor is an electrical element, which has been conjectured in 1971 to complete the lumped circuit theory. Currently, researchers use memristor emulators through diodes, inductors, and other passive (or active) elements to study circuits with ...
Leonardo Barboni
doaj   +1 more source

Conceptual Design of an Unmanned Fixed-Wing Aerial Vehicle Based on Alternative Energy

open access: yesInternational Journal of Aerospace Engineering, 2019
This paper focuses on the aerodynamics and design of an unmanned aerial vehicle (UAV) based on solar cells as a main power source. The procedure includes three phases: the conceptual design, preliminary design, and a computational fluid dynamics analysis
Alan G. Escobar-Ruiz   +5 more
doaj   +1 more source

Demand Prediction Using a Soft-Computing Approach: A Case Study of Automotive Industry

open access: yesApplied Sciences, 2020
According to the literature review performed, there are few methods focused on the study of qualitative and quantitative variables when making demand projections by using fuzzy logic and artificial neural networks.
Tomas Eloy Salais-Fierro   +3 more
doaj   +1 more source

Reconfigurable CPW Band-Stop Filter Based on Loaded T-Shaped Defected Ground Structure

open access: yesIEEE Access
This paper presents the design and implementation of a reconfigurable band-stop filter based on a coplanar waveguide (CPW) transmission line incorporating defected ground structures (DGS).
Claudia E. Perez-Martinez   +3 more
doaj   +1 more source

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