Universidad Tecnológica de Bolivar UTB (Colombia): últimos ingresos
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Numerical Simulations of a Polydisperse Sedimentation Model by Using Spectral WENO Method with Adaptive Multiresolution
(World Scientific Publishing Co. Pte Ltd, 2016)In this work, we apply adaptive multiresolution (Harten's approach) characteristic-wise fifth-order Weighted Essentially Non-Oscillatory (WENO) for computing the numerical solution of a polydisperse sedimentation model, ... -
Standard passivity-based control for multi-hydro-turbine governing systems with surge tank
(Elsevier Inc., 2020)This paper addresses the problem of control design for hydro-turbine governing systems with surge tanks from the perspective of standard passivity-based control. The dynamic model of a synchronous machine is considered in ... -
Design and implementation of a balanced scorecard in a colombian company
(Revista Espacios, 2017)This article presents the design and implementation of a Balanced Scorecard (BSC) in a medium-sized company in Colombia, providing synthetic indicators for objectives, perspectives and business strategies through key ... -
Materials requirements planning through an application based on particle swarm optimization
(Revista Espacios, 2017)This work approaches the Material Requirements Planning (MRP) problem through a Particle Swarm Optimization (PSO) based algorithm. Results from various computer experiments are carried out considering different production ... -
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, ... -
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 ... -
Application of spatio-temporal filtering for atrial activity waveforms enhancement
(Association for Computing Machinery, 2019)In this paper, we propose to apply spatio-temporal filtering to atrial activity enhancement, prior to the detection of possible atrial arrhythmias. During normal sinus rhythm, the atrial activity is well synchronized with ... -
Creating emotional proximity with the environment
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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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ...