Design and development of mobile application to characterize and classify lung sound based on Frequential Analysis and Wavelet Transform Authors: Rios de Antonio, Nelson Fabián, Sosa Ramírez, Germán David, Velásquez Clavijo, Fabián

Impacto de la minería subterránea en acuíferos: perspectivas en el contexto colombiano Authors: Pérez, Anibal J.

“…Results also show important differences between the discrete fracture and the equivalent porous media approach that may affect the appropriate design of control and mitigation measures.…”

Parametrizaciones robustas de Reconocimiento Automático de Habla (RAH) en redes de comunicaciones Authors: Gómez Cajas, Diego Ferney, Sepúlveda Sepúlveda, Franklin Alexander, Pinto Serrano, Mario Augusto

“…In this paper we address the problem of Automatic Speech Recognition (ASR) when the speech signal has been transmitted over communications networks. In these conditions, the main causes of distortion in an ASR system are ambient noise, transmission errors and the encoding-decoding process [32]. …”

La Filosofía de la Ingeniería en el Contexto de la Formación del Ingeniero Authors: Romero, Pedro A., Romero, Carmen H., Rojas, Kervin B.

“…To develop new applications or theoretical knowledge in the area of engineering, it is necessary to use appropriate tools belonging to these domains of knowledge, almost always to the hand of the developments of physics, chemistry and other sciences, so that the new advances and developments occur in the light of the developments of the sciences which have been generated.…”

Desarrollo de ecuaciones de sintonía para controladores tipo PID aplicados al control de temperatura en intercambiadores de calor Authors: Duarte Forero, Jorge, Amador Diaz, German

“…In this article presents the development of a tuning equations for PID controllers based on the formulation of a new comprehensive performance criterion called FAD ®, which aims error minimizing deviation above or below the Set Point to regulatory control, depending on the restrictions of a specific process that can be approximated through a model represented by a transfer function FOPDT.…”

Clasificación automática de patrones de vibraciones mecánicas en maquinaria rotativa afectada por desbalanceo Authors: Sandoval Rodríguez, Camilo Leonardo, Barros, Andres Alejandro, Herreño, Sergio

“…The results show the RMS as the best performing descriptor for classification showed.…”

Segmentación y clasificación de imágenes SAR en zonas de inundación en Colombia, una herramienta computacional para prevención de desastres Authors: Avendaño Pérez, Jonathan, Parra Plazas, Jaime Alberto, Bayona, Jhon Fredy

“…According to the results, the SVM classifier presents better accuracy. However, the Bayes classifier had better results classifying pixels corresponding to populations even with little training data.…”

Turismo y ciudad: espacio y lugar de imaginarios líquidos. Puerto Vallarta Authors: González-Romero, Daniel

“…In the introduction the author examines the relationship between tourism and the city, its origins and evolution; the social, economical and cultural guidelines engendered by leisure and recreation; and its capacity to construct imaginaries and appropriations. …”

De la mampostería colonial al ladrillo a la vista: Los chircales de Bogotá y su impronta en la arquitectura y el desarrollo urbano, período 1810-1920 Authors: Molina Prieto, Luis Fernando, Hinojosa, Rita

“…The article presents an approach to the historical evolution of Bogota’s early brick workshops, emphasizing on their contribution to architecture and urban development between 1810 and 1920. It includes an outlook of the so called Architecture of Transition, identifying styles, architects and construction materials, and it analyzes the quality of the bricks provided by those local clayworkshops during the given period, as well as their production techniques improvement. …”

Bogotá 1988-2008: la intención de cambio dispuso de poder para la acción Authors: Peña-Frade, Nayibe

“…To attest it, a series of documents and texts produced by all eight mayoral terms between 1988 and 2008 were analyzed, evaluated and contrasted, among which the City Development Plan proposed by each administration and the Territorial Planning Strategy were mostly considered. …”

Un mapa conceptual para el arte urbano Authors: Herrera-Zárate, Álvaro Ricardo

“…As a conclusion, the concept map sketched in the article allows for an extensive and clear vision or urban art and its current possibilities; a map that could (and should) be crossed horizontally, given that a site-specific art intervention can become  such an emblematic object like a national monument.…”

Modelo computacional de un modulador ∑-∆ de 2° orden para la generación de señales de prueba en circuitos integrados analógicos Authors: Simancas, José G., Ortiz, José C.

“…Then, it was verified that it behaved according to the theory of Σ-Δ modulation by performing simulations. …”

Sistema de transmisión de señales biomédicas a través del servicio general de paquetes vía radio GPRS Authors: Caicedo, Juan Manuel, Gutierrez, Edgar Willington, Correa, Karin

“…The access to health systems in Colombia for remote towns, is a difficulty that has motivated great efforts in finding solutions in telemedicine to shorten the distances through the use of communication systems between different cities. The apparent growth of cellular communications coverage in the country has prompted its use in various processes of telemedicine. …”

Análisis de los esquemas de modcod del estándar DVB-RCS2 sobre HTS de Banda Ka en el Perú en condiciones de lluvia Authors: Merino Acuña, Henry W., Cheé Cucalón, Christian

“…This paper shows the results of DVB-RCS2 standard evaluation for inbound satellite links between 2 Mbps and 10 Mbps in Peru, using Ka Band High Throughput Satellite. …”

Robot socialmente asistencial y de interacción multimodal autónoma Authors: Vélez Núñez, Paulina, Quintaguña, Alex

“…It has created a socially assistive robot endowed with anthropomorphic and cognitive features that gives you a sense of realism to the user, namely the user thinks for a considerable period of time that really is interacting with a living being.…”

Teatros de Bogotá como tipo e imagen de la ciudad en 1970 y en 2010 Authors: Camacho-Lotero, Sergio

“…As a conclusion, it defines the percentage of those cinemas that currently preserve their façade and maintain their exterior appearance, those that have been recycled, their building-use changed, remodeled to reopen theirdoors as projection screens or other cultural purposes, and those that have been sadly demolished.…”

Identificación y Control en Secadores Solares para Madera vía experimental Authors: Iglesias Vaillant, Yunier, Lussón Cervantes, Ania, Bonzon Henríquez, Jorge, Escalona Costa, Orlando, Ruiz García, Luis

“…In both cases, the mathematical model was obtained using experimental identification through Output Error. The best model is used for the controller Proportional Integral design in order to control the relative humidity in the drying chamber of a solar dryer for wood energy storage in water. …”

Uso de la geoestadística como herramienta de análisis para formalizar resultados en el campo de la contaminación electromagnética Authors: Leal Piedrahita, Alexánder

“…This paper shows an application of geostatistics as fundamental tool to the analysis of an variable whose behavior has dependence with its space distribution or localization, in a particular place. …”

Ciudad y violencia Una aproximación desde la cinematografía colombiana Authors: Rojas-Osorio, Sara

“…As a conclusion, the author emphasizes on the lack of analysis byColombian critics that either turn down the subject of violence in the search of a more “positive” cinematography overlooking a reality that involves a vast portion of the population, orlimit their scrutiny to verifying that what is being portrayed in the movies is historically correct without getting into broader discussions, leading to the fact that most truly critical proposals are actually coming from foreign universities.…”

La ciudad modelada como ecosistema: principios y estrategias para la sustentabilidad de los sistemas del metabolismo urbano de la ciudad. Authors: Córdova Canela, Fernando, Villagrana Gutierrez, Alejandra

“…Cities like artificial systems can be redesigned from a better perspective as ecosystems natural, but what approaches should be considered for simulating a natural ecosystem? …”