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Evaluación de la oportunidad de desarrollo de las mipymes del sub-sector confecciones: a propósito de la firma del TLC con EE.UU.

open access: diamondPensamiento Crítico, 2009
Este artículo presenta los resultados de una investigación sobre el impacto que podría tener la firma del Tratado de Libre Comercio con Estados Unidos en las micro y pequeñas empresas confeccionistas.
Jose Pinto Castro
doaj   +3 more sources

Series Architecture on Hybrid Electric Vehicles: A Review

open access: yesEnergies, 2021
The use of series architecture nowadays is mainly on hybrid buses. In comparison with series-parallel and parallel architectures, which are usually exploited on medium-size cars, the series architecture allows achieving internal combustion engine higher ...
Alessandro Benevieri   +6 more
doaj   +1 more source

State-Space Approach for SPMSM Sensorless Passive Algorithm Tuning

open access: yesEnergies, 2021
Sensorless algorithms for Permanent Magnet Synchronous Motors (PMSM) have achieved increasing interest in the technical literature over the last few years.
Lorenzo Carbone   +4 more
doaj   +1 more source

Induction Motor Field-Oriented Sensorless Control with Filter and Long Cable

open access: yesEnergies, 2022
In recent years, part of the efforts of the electric drive researcher has been focused on the study of sensorless control algorithms that allow controlling the machine without a speed measure and with ever-fewer measurement devices. This article proposes
Lorenzo Carbone   +5 more
doaj   +1 more source

Full thickness 3D in vitro conjunctiva model enables goblet cell differentiation

open access: yesScientific Reports, 2023
In vitro culture and generation of highly specialized goblet cells is still a major challenge in conjunctival 3D in vitro equivalents. A model comprising all physiological factors, including mucus-secreting goblet cells has the potential to act as a new ...
Julian Schwebler   +3 more
doaj   +1 more source

Induction Motor Direct Torque Control with Synchronous PWM

open access: yesEnergies, 2021
A novel induction motor direct torque control (DTC) algorithm with synchronous modulation is presented. Compared to the traditional DTC method, whose main drawback is the presence of low-frequency torque harmonics (sub-harmonics), in the proposed method,
Alessandro Benevieri   +4 more
doaj   +1 more source

Stability Analysis of Open-Loop V/Hz Controlled Asynchronous Machines and Two Novel Mitigation Strategies for Oscillations Suppression

open access: yesEnergies, 2022
Asynchronous machines are always widely used in most industrial applications due to their reliability, flexibility, and manoeuvrability. To achieve variable speed operations, the quite simple open-loop V/Hz control is largely utilized.
Lorenzo Carbone   +5 more
doaj   +1 more source

El TLC con USA. ¿Una nueva transición nutricional?¿Cómo influirá en el peso corporal de los colombianos?

open access: diamondRevista de la Facultad de Medicina, 2014
Jhon Jairo Bejarano Roncancio   +1 more
doaj   +2 more sources

A Refined Loss Evaluation of a Three-Switch Double Input DC-DC Converter for Hybrid Vehicle Applications

open access: yesEnergies, 2020
In this paper, an accurate efficiency evaluation of an innovative three-switch double input DC−DC converter for hybrid vehicle applications was carried out. The converter was used to interface two storages, (e.g., supercapacitor and battery) to the
Mario Marchesoni   +2 more
doaj   +1 more source

Verification of the Bully Election Algorithm for Distributed Systems Using TLA+ and PlusCal

open access: yesСовременные информационные технологии и IT-образование, 2022
This article is devoted to verification of the bully election algorithm for distributed systems with TLA+ and PlusCal. In this work, we show an overview of the basic information about distributed systems, then we show definition of election algorithms ...
Aleksey Polyakov   +3 more
doaj   +1 more source

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