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Smart UTB: An IoT platform for Smart Campus
(2021-09-29)
The Internet of Things (IoT) aims to create applications to improve people’s quality of life using novel protocols, sensor networks, cloud computing, middlewares and other technologies. These applications can be used in ...
Application of the hurricane-based optimization algorithm to the phase-balancing problem in three-phase asymmetric networks
(2022-03-14)
This article addresses the problem of optimal phase-swapping in asymmetric distribution
grids through the application of hurricane-based optimization algorithm (HOA). The exact mixedinteger nonlinear programming (MINLP) ...
Optimal placement and sizing of PV sources in distribution grids using a modified gradient-based metaheuristic optimizer
(2022-03-11)
The problem of the optimal placement and sizing of renewable generation sources based on photovoltaic (PV) technology in electrical distribution grids operated in medium-voltage levels was studied in this research. This ...
A two-stage approach to locate and size PV sources in distribution networks for annual grid operative costs minimization
(2022-03-21)
This paper contributes with a new two-stage optimization methodology to solve the
problem of the optimal placement and sizing of solar photovoltaic (PV) generation units in mediumvoltage distribution networks. The ...
Effects of orifice sizes for uncontrolled filling processes in water pipelines
(2022-03-12)
The sizing of air valves during the air expulsion phase in rapid filling processes is crucial
for design purposes. Mathematical models have been developed to simulate the behaviour of air valves during filling processes ...
A new radial basis integration method applied to the boundary element analysis of 2D scalar wave equations
(2022-01-10)
A new integration method named the Radial Basis Integration Method (RBIM) that include the Kriging
Integration Method (KIM) Narváez and Useche (2020) as a particular case and performs boundary only offline precomputations ...
Trade-Off Asymmetric Profile for Extended-Depth-of-Focus Ocular Lens
(2022-02-19)
We explore the possibility of extending the depth of focus of an imaging lens with an
asymmetric quartic phase-mask, while keeping the aberration within a relatively low level. This can be intended, for instance, for ...
Development and Characterization of Plantain (Musa paradisiaca) Flour-Based Biopolymer Films Reinforced with Plantain Fibers
(2022-02-15)
Agroindustrial wastes are a cheap and abundant source of natural fibers and acromolecules that can be used in the manufacturing of biocomposites. This study presents the development and thermo-mechanical characterization ...
On the Conic Convex Approximation to Locate and Size Fixed-Step Capacitor Banks in Distribution Networks
(2022-02-20)
The problem of the optimal siting and sizing of fixed-step capacitor banks is studied in
this research from the standpoint of convex optimization. This problem is formulated through a mixed-integer nonlinear programming ...
Resultados de aprendizaje y mecanismos de evaluación en los programas académicos de educación superior en Colombia
(2022-02-01)
El propósito de este estudio es diseñar un sistema de resultados de aprendizaje y determinar su importancia en los programas de educación superior en Colombia. La investigación fue racional propositiva y se contrastan el ...
