Ingeniería
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Arquitectura [230]
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Ingeniería civil [411]
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Ingeniería química [164]
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Recent Submissions
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Cancelación del ruido de ambiente en grabaciones de vocalizaciones de manatíes antillanos
(2015-03)El manatí antillano es una especie que se encuentra amenazada a lo largo de su ámbito de distribución. Para promover su conservación, es importante localizar y contar individuos. La estimación de población a través de sus ... -
Development of a Mobile Application for Robust Tuning of One- and Two-Degree-of-Freedom PI and PID Controllers
(2015-12-01)This paper presents the development of a mobile application for Android systems devices, that helps in the control system design task. The application allows to compute the parameters of PID-type controllers. The controlled ... -
Robustness/performance tradeoff for anisochronic plants with two degrees of freedom PID controllers
(2015)In this paper, the anisochronic model (which is able to represent both over-damped and under-damped process with the same topology) is used for the tuning of PI and PID controllers. The relationship between robustness and ... -
Fractional order model identification: Computational optimization
(2015-10-26)This paper deals with the identification of fractional models with one fractional parameter. This kind of models are capable to represent an extensive range of dynamics, including overdamped and oscillatory behaviors. The ... -
Development of an alternative procedure to verify “in situ” volumetric diaphragm type gas meters for residential use
(2015-09-21)Cet article montre les performances métrologiques du compteur de gaz portatif mis au point pour les mesures de volume dans le domaine, quand il fonctionne à différentes conditions à l'obtention du diplôme, mais similaires ... -
S809 Airfoil: Reynolds number effect on the aerodynamics of wind turbine blades
(2015-12)The objective of this work is to study the S809 airfoil profile used in the wind turbine blades of horizontal axis. Wind turbines developed rapidly in technological terms, showing reliability in generating energy from the ... -
What do you think of fungi? Perceptions by “educated” groups in Honduras and Costa Rica
(2015)This study was designed in order to compensate for the poor availability of information about the human-fungi interaction in Central America. We surveyed two “educated” groups of people in higher institutions within urban ... -
Ecological niche modeling of some Costa Rican myxomycetes
(2015)Ecological niche modeling has not been used extensively in studies of myxomycetes but can provide important information for research efforts to develop a better understanding of the ecology of these organisms. With a dataset ... -
First record of the myxomycete genus Colloderma in Central America
(2015-08-21)The myxomycete genus Colloderma and the species Colloderma oculatum are reported for the first time in Central America. The species was recorded at high elevations in the Talamanca Mountain Range in Costa Rica during 2014 ... -
New additions to the myxobiota of Costa Rica
(2015)The most recent checklist of myxomycetes from Costa Rica reported 208 species for the country. Informational gaps detected in that work and a sustained survey effort since the publication of the checklist increased the ... -
MODEBOTS: Environment for Programming Robots for Children Between the Ages of 4 and 6
(2015-08)Learning how to program in early age helps children to develop some capabilities as logical thinking, problem solving, and creativity. Incorporating robotics in programming children can help to learn in a concrete and funny ... -
Design and Implementation of a Software Testing Training Course
(2015)This paper presents the design and implementation of a software testing training course for software developers with little or no background on software testing. The design of this training course is modular, so that it ... -
A Virtual Repository of Learning Objects to Support Literacy of SEN Children
(2015-01)Literacy development is an essential process for special education needs children. Otherwise, they will have additional difficulties in their daily life activities and hence their social inclusion. It is a big challenge ... -
Creating TUIs Using RFID Sensors—A Case Study Based on the Literacy Process of Children with Down Syndrome
(2015)Teaching children with intellectual disabilities is a big challenge for most parents and educators. Special education teachers use learning strategies to develop and enhance motivation for complex learning tasks. Literacy ... -
Estudio de la movilidad ciclista en un sector de los cantones Cartago y El Guarco, de la provincia Cartago, Costa Rica
(2017)El presente artículo presenta un resumen de un estudio de la movilidad en bicicleta en sectores de los distritos San Francisco, Guadalupe y Quebradilla del cantón de Cartago, y de los distritos Tobosi y Tejar del cantón ... -
Desempeño y calidad de servicio del sistema de autobuses externos de la Universidad de Costa Rica
(2016-05-24)Se presenta la aplicación de una metodología para la evaluación de un sistema de transporte público, modalidad autobús. En la evaluación se aplican tanto indicadores de desempeño como indicadores ... -
Diseño e implementación de un sistema de gestión de aprendizaje institucional para la Nube. Una plataforma capaz de adaptarse dinámicamente según la demanda
(2016-08-16)Los sistemas de gestión de aprendizaje convencionales (LMS por sus siglas en inglés) han sido desarrollados siguiendo los modelos de arquitectura tradicional en infraestructura tecnológica, donde la asignación de ... -
Percepción ciudadana de los recursos fúngicos y potencial de micoalfabetización en Costa Rica
(2018-11)Antecedentes: La integración entre información biológica y datos sobre la percepción ciudadana de los recursos naturales es clave para construir iniciativas de conservación biológica sensibles a las diferencias ... -
Towards an Integrated Approach of Conducting Fungal Research in Costa Rica
(2019-01)Costa Rica es un país pequeño en la región centroamericana, con una reciente historia de investigación micológica. Sin embargo, algunas diferencias comparativas con otros países de la región biológica mesoamericana han ... -
Técnicas de caracterización superficial. Situación y necesidades de la industria de dispositivos médicos en Costa Rica
(2018-06)The aim of this document is to identify process where chemical characterization of materials is needed in the medical device industry. Inquest and informative visits were applied to determine the industry needs on ...
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