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Robust cascade controller for the power factor of the three-phase supply and the induction motor velocity
(2023-06-13)It is well known that induction motors consume active and reactive energy from the utility grid to operate. Additionally, when a power converter drives the motor, a high content of current harmonics is produced, and both ... -
Robust weighted Gaussian processes
(2020-07-09)This paper presents robust weighted variants of batch and online standard Gaussian processes (GPs) to effectively reduce the negative impact of outliers in the corresponding GP models. This is done by introducing robust ... -
Robustness analysis of an outranking model parameters’ elicitation method in the presence of noisy examples
(2018-01-03)One of the main concerns in Multicriteria Decision Aid (MCDA) is robustness analysis. Some of the most important approaches to model decision maker preferences are based on fuzzy outranking models whose parameters (e.g., ... -
Rol del 3PL en el desempeño financiero y estratégico de maquiladoras mexicanas
(2021-09-20)Este artículo presenta los efectos entre la Red Logística y las actividades de Valor Añadido en entornos 3PL y su efecto en el Desempeño Financiero y Estratégico de empresas Maquiladoras mexicanas. Inspirados por el creciente ... -
Role of Information and Communication Technology in Green Supply Chain Implementation and Companies’ Performance
(2018-05-30)The aim of this study is to quantify the impact of information and communication technologies (ICT) and its technological updates on the success of the green supply chain (GSC) implementation, as well as the benefits this ... -
Role of product, market, and organisational characteristics on NPD benefits
(2018-08-10)This paper reports a structural equation model for associate three Critical Success Factors (CSF) for New Product Development (NPD) as market, product and organisational characteristics (as independent variables) with ... -
Role of quick setups on quality control in the Mexican maquiladora industry
(2020)The quick changeover in a production line facilitates the manufacture of small lots and a wide variety of products, where several variables must be controlled to optimize this process. This article presents a structural ... -
Ruinas de Paquimé: Cronología de su historia y desarrollo
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Rupturas en el patrimonio histórico y cultural del modernismo al posmodernismo
(2020-04-01)Partiendo de la línea que rige el texto, la construcción de inmuebles es la manifestación tangible del conjunto de ideologías, modas y posturas funcionales de la época. Los monumentos, edificios y sitios, reflejan las ... -
Satisfacción laboral en tiendas de conveniencia mexicanas: un análisis desde la teoría de recursos-demandas laborales
(2023-05-30)Desde la teoría de recursos-demandas laborales, se evalúan los efectos del liderazgo, ajuste persona-organización, claridad de rol y agotamiento sobre la satisfacción laboral, en tiendas de conveniencia mexicanas. Asimismo, ... -
Seasonal carryover of water and effects on carbon dynamics in a dryland ecosystem
(2022-07-19)Net primary productivity in arid and semiarid regions is controlled by water availability for which rainfall has been a commonly used proxy at annual scales. However, the hydrological partitioning occurring through the ... -
Seat Occupancy Detection Based on a Low-Power Microcontroller and a Single FSR
(2019-02-08)This paper proposes a microcontroller-based measurement system to detect and confirm the presence of a subject in a chair. The system relies on a single Force Sensing Resistor (FSR), which is arranged in the seat of the ... -
Seed-mediated synthesis and PEG coating of gold nanoparticles for controlling morphology and sizes
(2020-11-26)A significant area of research is biomedical applications of nanoparticles which involves efforts to control the physicochemical properties through simple and scalable processes. Gold nanoparticles have received considerable ... -
Seguimiento de velocidad de un motor de CD en un sistema paralelo
(2023-12-27)Los vehículos con propulsión híbrida, compuestos por un motor de combustión interna (MCI) y un motor eléctrico (ME) en su arquitectura paralela, requieren un control eficiente para mantener la velocidad del ME a la velocidad ... -
Seismic exploration survey northeast of the Tres Virgenes Geothermal Field, Baja California Sur, Mexico: A new Geothermal prospect
(2019-11-11)Geophysical prospecting has become essential to identify low enthalpy areas with geothermal potential, mainly, for direct uses. The present study uses two seismic techniques and lithological information from shallow ... -
Self-Learning Geometric Transformations: A Framework for the “Before and After” Style of Exercises
(2022-05-28)After the long period of mandatory distance learning, either synchronous or asynchronous, caused by the COVID-19 pandemic, the existence of learning tools to support students in similar scenarios is welcomed in many ... -
Semi-analytic finite element method applied to short-fiber-reinforced piezoelectric composites
(2021-06-30)In this work, a 3D semi-analytical finite element method (SAFEM) is developed to calculate the effective properties of piezoelectric fiber-reinforced composites (PFRC). Here, the calculations are implemented in one-eighth ... -
Semimetal transition in curved MoS2/ MoSe2 Van der Waals heterojunction by dispersion‑corrected density functional theory
(2022-10-24)We present a theoretical study for MoS2/MoSe2 Van der Waals heterojunction in the armchair direction, and periodicity in the y-direction, under the mechanical deformation process to explore electronic structure vs. curvature ... -
Shape effect of thickness of the NREL S815 profile on the performance of the H-rotor Darrieus turbine
(2021-01-29)With the aim of improving the performance of vertical axis wind turbines, in this article, the flow field and aerodynamic performance of an H-rotor Darrieus turbine are computed using computational fluid dynamics. ... -
Sign Language Recognition Based on EMG Signals through a Hibrid Intelligent System
(2019-10). Non-verbal communication is an important part of everyday interactions and human-computer interaction. Vision techniques and instrumented gloves for sign language recognition are commonly used, but these are often ...