Investigaciones: Envíos recientes
Mostrando ítems 1261-1280 de 1422
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Adoption barriers for electric vehicles: Experiences from early adopters in Sweden
(Elsevier Ltd, 2017)Electric vehicles are considered as one of the most effective technologies for reducing current greenhouse gas emissions from the transport sector. Although in many countries, local and national governments have introduced ... -
Optimal location and sizing of capacitors in radial distribution networks using an exact MINLP model for operating costs minimization
(World Scientific and Engineering Academy and Society, 2017)This paper presents an exact mixed-integer nonlinear programming (MINLP) model for optimal sizing and location of capacitor banks in radial distribution networks (RDN). The total operating costs of the RDN are minimized ... -
Kernel-based machine learning models for the prediction of dengue and chikungunya morbidity in Colombia
(Springer Verlag, 2017)Dengue and Chikungunya fever are two viral diseases of great public health concern in Colombia and other tropical countries as they are both transmitted by Aedes mosquitoes, which are endemic to this area. In recent years, ... -
Perception of working conditions on the quality of working life: Employees linked to health companies in Barranquilla, Colombia
(International Business Information Management Association, IBIMA, 2017)Working conditions and their interaction on Quality of Working Life (QWL) perception in health sector employees from Barranquilla-Colombia were studied and modeled in a sample of 333 people aged between 16 and 73 years ... -
Creating emotional proximity with the environment
(Taylor and Francis, 2017) -
Ergonomic and biomechanical evaluation of the use of computers, tablets and smart phones by children. A pilot study
(Springer Verlag, 2017)The use of technological devices has widespread around the world. It is known that inappropriate or prolonged use of electronic devices can cause musculoskeletal discomfort or even illness. However, there are not many ... -
Design and construction of a wearable wireless electrogoniometer for joint angle measurements in sports
(Springer Verlag, 2017)Advances in the field of biomedical engineering have allowed the development of biometric devices to evaluate sport performance. This article describes the design and construction of a wearable electrogoniometer to monitor ... -
Fetal ECG extraction using independent component analysis by Jade approach
(SPIE, 2017)Fetal ECG monitoring is a useful method to assess the fetus health and detect abnormal conditions. In this paper we propose an approach to extract fetal ECG from abdomen and chest signals using independent component analysis ... -
Region growing segmentation of ultrasound images using gradients and local statistics
(SPIE, 2017)This paper describes a region growing segmentation algorithm for medical ultrasound images. The algorithm starts with anisotropic diffusion filtering to reduce speckle noise without blurring the edges. Then, region growing ... -
Thermoeconomic analysis of pvc production plant reactors cooling system
(American Society of Mechanical Engineers (ASME), 2017)In this work the results of the research made to PVC production plant reactors cooling system are included. The heat generated in the reactor must be removed to maintain its temperature at an optimal range between 50 and ... -
A Potential Function for the Power Flow in DC Microgrids: An Analysis of the Uniqueness and Existence of the Solution and Convergence of the Algorithms
(Springer New York LLC, 2019)The power flow equations in DC microgrids are nonlinear due to the presence of constant power terminals. In this context, a rigorous demonstration of the convergence and uniqueness of the solution for Newton’s method is ... -
Leveraging 1-wire communication bus system for secure home automation
(Springer Verlag, 2017)Home automation is a rising technology that is available to anyone thanks to the reduce cost of the embedded systems. Since the appearance of different products to create your own domotic system, and the recent popularity ... -
A low noise stenography method for medical images with QR encoding of patient information
(SPIE, 2017)This paper proposes an approach to facilitate the process of individualization of patients from their medical images, without compromising the inherent confidentiality of medical data. The identification of a patient from ... -
The role of women in Rainbow of Peace, by Fray Pedro de Santa María y Ulloa
(Universidad Nacional de Educacion a Distancia, 2017)This article analyzes the role of women and the Virgin Mary in the vision of the Dominican friar of the XVII century, Fray Pedro de Santa María y Ulloa, the highest representative of the devotion to the Marian prayer in ... -
Descriptive analysis of female representations in the Spanish peseta
(Ediciones Hecate, 2017)A numismatic review about Spanish peseta coins minted between 1869 and 2001 (except for the commemorative pieces) which representing female figures is presented in this scientific article. This paper attempts to locate and ... -
Irrigation system for oil palm in Colombia - an internet of things approach
(Springer Verlag, 2017)In this article, we show a prototype of an irrigation system for oil palm plantations in Colombia. We make use of a predictive control model to improve the irrigation schedule. This model takes weather predictions from the ... -
Design and implementation of an energy monitoring system for buildings based on internet of things architecture
(Springer Verlag, 2017)Monitoring environmental variables in buildings is a first step to implement and provide services related to energy savings, comfort and safety among others issues. In this work we design and implement an Energy Monitoring ... -
Design and control of an unmanned surface vehicle for environmental monitoring applications
(Institute of Electrical and Electronics Engineers Inc., 2017)Unmanned Surface Vehicles (USV) have been used in a wide range of applications, in particular in environmental monitoring. In this work we propose the design and control of an USV which is intended to be used for monitoring ... -
The craft brewing industry in latin America: The case of Colombia
(Palgrave Macmillan, 2017)This chapter presents a brief description of the beer industry in Latin America and specifically in Colombia. The main focus is on the performance of the craft brewing industry. It was found that the same patterns followed ...
Universidad Tecnológica de Bolívar - 2017 Institución de Educación Superior sujeta a inspección y vigilancia por el Ministerio de Educación Nacional. Resolución No 961 del 26 de octubre de 1970 a través de la cual la Gobernación de Bolívar otorga la Personería Jurídica a la Universidad Tecnológica de Bolívar.