Fabián R. Jiménez L.

• MSc. Ingeniería - Automatización Industrial
• Professor (Assistant) at Pedagogical and Technological University of Colombia

La incorporación de la Inteligencia Artificial (IA) en la educación de ingeniería electrónica es una tendencia emergente con el potencial de transformar los métodos tradicionales de enseñanza y aprendizaje. Los programas de ingeniería electrónica enfrentan el desafío de adaptar sus currículos a estas nuevas metodologías activas y tecnologías. La in...

En el presente estudio, se emplean técnicas de Minería de Datos Educativa con el objetivo de formular perfiles de egreso, laboral y profesional del Ingeniero Electrónico en la Universidad Pedagógica y Tecnológica de Colombia, en el contexto de la reforma curricular que el programa académico está llevando a cabo. Este trabajo se realizó mediante la...

El aprendizaje invertido (flipp learning FL) es un enfoque pedagógico que permite aprovechar mejor el tiempo en clase. Generalmente, los profesores desarrollan contenidos dentro de clase, en un horario específico y luego dejan ciertos ejercicios o los dejan a los estudiantes para que los hagan en casa (recepción pasiva de contenidos). El enfoque FL...

The fourth industrial revolution in agriculture seeks the automation of traditional practices, using modern smart technologies. Advances in electronics, computation and the internet of things are integrated for improving field inputs management. The aim of this paper is to present the design and implementation of an intelligent IoT-multiagent preci...

Este trabajo presenta el diseño, implementación, instrumentación, modelado y control de un prototipo de planta mecatrónica reconfigurable para el estudio de control automático. Este sistema mecatrónico se dispuso para tres tipos de configuraciones de plantas: bola y viga, balancín con hélice y bicóptero. Su comportamiento dinámico ha servido para i...

Water is a common resource shared by many agents or farmers in irrigation districts, where water management is, therefore, a very complex problem if the target is the equitable distribution of resources or the efficient use of water. This paper aims to present the design and implementation of an Irrigation Agent-Based Model (IABM) for the distribut...

Irrigation is one of the most important activities in crop management. The aim of irrigation scheduling is to supply the correct amount of water to the crops and define appropriate irrigation times. The rational behavior of intelligent agents added to internet of things technologies could be a strategy for improving the performance of automatic irr...

This article presents the aspects related to the development of an interface that uses a depth and RGB image of a Kinect to analyze the movements of a user and the manipulation of an environment with specific characteristics. This system works as a manipulation interface, where a user controls different applications from the analysis of the informa...

Irrigation is very important for ensuring food security and reducing crop production vulnerability caused by the lack of rain. Sustainable irrigation is the rational practice of all the activities related to water application on the crops. In irrigation, the rationality of intelligent agents can be used to reach soil water content near the field ca...

Resumen-Uno de los temas de mayor atención en la robótica móvil está relacionado con la localización y ma-peo de un robot en un entorno determinado, y el otro, asociado a la selección de los dispositivos o sensores ne-cesarios para adquirir la mayor cantidad de información externa posible para la generación de un mapa global. El propósito de este a...

One of the topics of greatest attention in mobile robotics is related to the location and mapping of a robot in a given environment and the other, associated with the selection of the devices or sensors necessary to acquire as much external information as possible for the generation of a global map. The purpose of this article is to propose the int...

This article presents the design, development, implementation and evaluation of different machine learning type algorithms, for Milano and Chonto tomatoes classification, based on the fruit physical characteristics, such as coloring (maturity degree), taking as reference national and international standards (NTC-1103-1 and USDA, respectively). Diff...

Se desarrolló un sistema electrónico portátil con facilidad de ser implementado en invernaderos y lugre de recolección de tomates tipo milano y chonto, que permita determinar y analizar el estado de maduración del fruto cumpliendo con los requerimiento definidos por normas nacionales ( NTC1103-1) e internacionales (USDA), además de realizar una est...

Resumen-Se desarrolla un sistema electrónico portátil con facilidad de ser implementado en invernaderos y lugares de recolección de tomates tipo milano y chonto, que permitira determinar y analizar el estado de maduración del fruto cumpliendo con los requerimientos definidos por normas nacionales (NTC-1103-1) e internacionales (USDA), además de rea...

Se desarrolla un sistema electrónico portátil con facilidad de ser implementado en invernaderos y lugre de recolección de tomates tipo milano y chonto, que permita determinar y analizar el estado de maduración del fruto cumpliendo con los requerimiento definidos por normas nacionales ( NTC1103-1) e internacionales (USDA), además de realizar una est...

Resumen Este trabajo describe el resultado del proceso de construcción de una plataforma didáctica para el aprendizaje de robótica, cuyo objetivo es apoyar los procesos de enseñanza y aprendizaje a estudiantes de primeros semestres de ingeniería y estu-diantes de básica secundaria. El sistema robótico DARO cuenta con una unidad central de proceso p...

This article shows the development of a prototype for the monitoring of livestock using a wireless supervision network with the goal of preventing cattle theft. The monitoring system consists of two nodes: the supervision node and the administrator node. The supervisor unit sends a unique identification code to the administrator node via RF radio f...

Resumen Este documento presenta el diseño, implementación y evaluación de dos estrategias de control digital PID y Dead Beat para estabilizar la posición angular de un helicóptero de un grado de libertad. El modelo dinámico no lineal del helicóptero se obtuvo utilizando ecuaciones de Newton – Euler, se linealizo y se representó como función de tran...

This paper describes the development of a hardware and software tool for analysis of vegetation cover using remote sensing techniques. Begins with a study of the interaction of electromagnetic waves in the leaves of plants on the single and multiple plate models for the spectrum of visible and infrared, which allows using an application developed i...

This paper presents the performance, design and implementation of a control system of a vehicle scale in order to make an interesting and educational project that facilitates learning of the topics covered in the areas of control and communications. To do this, it creates an environment for user manipulation by an android system where you can contr...

This document shows the results obtained experimentally for the deduction of transfer functions of a tanks plant connected in cascade through measurement of level and temperature variables. To obtain the characteristic curves that describe the behavior of these variables were used sensors installed in the process. Also, the design procedure of a mu...

This paper describes the software application (PIND) for vegetal cover studies (specially for agriculture crops), that uses the basic analysis of image processing to recognize behavioral spatial-time patterns of the plants in some phenological stages, nutritional stages, and the presence of weeds and diseases. By means of the developed algorithms t...

This paper describes the development of a hardware and software tool for analysis of vegetation cover using remote sensing techniques. Begins with a study of the interaction of electromagnetic waves in the leaves of plants on the single and multiple plate models for the spectrum of visible and infrared, which allows using an application developed i...

This paper presents the experimental development of software and hardware configuration to implement two adaptive algorithms: LMS (Least Mean Square) and RLS (Recursive Least Square), using TMS320C6713 DSP platform of Texas Instruments, for unknown systems identification. Methodology for implementation and validation analysis for the adaptive algor...

In this paper we present the implementation of a robot 3 DOF which is controlled by processing digital imaging, the sensor used comprises an RGB camera and infrared emitter that projects a dot pattern a variable intensity light having the ability to hand scanning and extract the coordinates x, y. passing a processing scheme and converting the data...

Este trabajo describe el desarrollo de un sistema de clasificación de partes para un lote de producción, donde se utiliza un sistema de procesamiento digital de imágenes que permite reconocer las piezas cuando se reúnen o no las características definidas previamente. Para realizar y analizar el control de calidad para el lote de producción, se util...

In this paper we present a classification system for blister pack of pills. For the development of the system was taken into account three types of Blister Packs, where we performed a classification process considering a Segmentation-based Fractal Texture Analysis system, likewise, was used Otsu multi-level algorithm, as nonparametric technique for...

En este documento se intenta realizar un análisis académico después de haber leído y revisado dos referentes académicos relacionados con el quehacer docente e investigativo, evaluando las posiciones expuestas al respecto, en cuanto al conocimiento científico y el investigador pedagógico. En este sentido, desde la educación en ingeniería, se propon...

This paper describes the mathematical modeling of a Single Phase Shunt Active Power Filter using two methods; first using switching functions and second by states space averaged. The circuital analysis was discussed and the results obtained by the two paths were evaluated.

En este documento se intenta realizar un análisis académico después de haber leído y revisado cuatro referentes academicos relacionados con el quehacer docente e investigativo, evaluando las posiciones expuestas al respecto, en cuanto al conocimiento científico, el investigador pedagógico, las políticas nacionales para integrar el conocimiento, cie...

En este documento se intenta realizar un análisis académico después de haber leído y revisado cuatro referentes academicos relacionados con el quehacer docente e investigativo, evaluando las posiciones expuestas al respecto, en cuanto al conocimiento científico, el investigador pedagógico, las políticas nacionales para integrar el conocimiento, cie...

This paper focuses on study and comparison of adaptive LMS filters modeling simulation and performance characteristics used for echo cancellation applications. In that sense, three conventional adaptive filtering algorithms are revised, Least Mean Squares algorithm (LMS), Normalized Least Mean Squares algorithm (NLMS) and Signed Least Mean Squares...

This paper focuses on study and comparison of adaptive LMS filters modeling simulation and performance characteristics used for echo cancellation applications. In that sense, three conventional adaptive filtering algorithms are revised, Least Mean Squares algorithm (LMS), Normalized Least Mean Squares algorithm (NLMS) and Signed Least Mean Squares...

La transposición de saberes en el Tratamiento Digital de Señales, es una de las grandes limitantes que se tiene hoy en día en el estudio de las cargas eléctricas, ya que en él se encuentra la convergencias de asignaturas de e ciencias básicas y básicas de ingeniería, lo cual provoca en el estudiante un choque al tener que evocar los conocimientos a...

In this paper, we propose the development of a system for generating disparity maps using rectified images, one technique that is booming in depth perception systems in computer vision. For this reason, in this project, is made a brief explanation process associated with mating techniques for stereo vision. For this project, we explore correlation...

This paper describes the segmentation and normalization process for automatic biometric iris recognition system, implemented and validated in MATLAB®. For this work we use the images database digitized in grayscale CASIA v. 2.0, where coding and processing through segmentation algorithms was implemented using Gabor filters and Hough Transform, fina...

In this article, there is the development of a system of classification of parts of a production lot, where it is used a digital processing system that enables viewers to recognize the parts when they meet or not previously defined characteristics. For the classification of parts, used digital image processing and data obtained were applied a chi s...

In particular, this work aims to design, develop and publish theoretical and practical working tools, with the respective support epistemological, pedagogical and didactic, for Electronic Engineering students and teachers in Signal Processing applications. This work search to facilitate the teaching and learning in this knowledge area, essential fo...

This paper presents the design and implementation of the insulation and conditioning cards for sensors that measure voltage and current signals for to be applied to harmonic control and compensation in an Active Power Filter (APF). Then describes the characteristics and mathematical algorithm in the time domain technique used to obtain the referenc...

This paper presents a preview of the results of investigations carried out for the UPTC to establish spatial models of the behavior of phenologyc variables of the arable regions in the municipalities of: Paipa, Duitama, Nobsa, Tibasosa and Sogamoso of the Boyacá department, using digital image processing of data acquired by satellital remote sensor...

This paper describes the methodology and development of the detailed engineering of an Ecopetrol S. A. project to increase the pumping and transport capacity of hydrocarbons in a polyduct, taking into account the requirements and characteristics of the process considerations, technology, equipment and distribution areas, and establishes the results...

This paper presents a preview of the results of investigations carried out for the UPTC to establish spatial models of the behavior of phenologyc variables of the arable regions in the municipalities of: Paipa, Duitama, Nobsa, Tibasosa and Sogamoso of the Boyacá department, using digital image processing of data acquired by satellital remote sensor...

This work describes the Shunt Single Phase Active Power Filter mathematical analysis, made to obtain its model from two different methods, first using switching functions and then using the state space averaging method.

Through this paper, specifies the features and functionality of a software application developed using Python for the acquisition and storage of temperature data with applications in precision agriculture. The telemetry system use Global Positioning Systems (GPS) and Geographic Information Systems (GIS) platforms.

A simple system has been developed to transmit field data in real time. This data consist in data of the Global Positioning System receiver (GPS), soil moisture and temperature. Individual locations are mapped to indicate the tracking for a GPS receiver.

This paper describes the design of a telecommunications network, system acquisition and visualization systems of physical variables involved in purifying water process of a treatment plant, for monitoring and control. The system designed is functional and flexible, due the possibility of monitored tank levels, flow rates and measured water chemistr...

A simple system has been developed to transmit field data in real time. This data consist in data of the Global Positioning System receiver (GPS), soil moisture and temperature. Individual locations are mapped to indicate the tracking for a GPS receiver.

This paper describes the design of a telecommunications network, system acquisition and visualization systems of physical variables involved in purifying water process of a treatment plant, for monitoring and control. The system designed is functional and flexible, due the possibility of monitored tank levels, flow rates and measured water chemistr...

Instrumentation equipment used to acquire voltage and current variables, have been an important alternative for the detection of harmonic content in AC networks. This paper presents the design and implementation of the insulation and conditioning cards for sensors that measures voltage and current signals, with emphasis on the design procedure of A...

This work describes the design and implementation of a nonlinear control strategy for a single-phase shunt active power filter (APF) and its realization on a digital signal processor (Freescale 56F8323®), which reduces the current harmonic content in a nonlinear load supplied from the electric grid. This paper presents the mathematical analysis res...

This paper describes the development of a parts classification system for a production lot, where it is used a digital processing system that enables viewers to recognize the pieces when they meet or not previously defined characteristics. To perform and analyze the quality control for the production lot is used a discrete probability density, whic...

The power active filters have become a viable alternative for controlling harmonic levels in industrial and commercial applications. However, there are many different current control techniques for active filters. This paper discusses the detailed study of the definitions of power, applied to obtain current references, and also the implementation o...

This document shows the current operation of the filling process of coal hoppers of the units I, II and III Paipa Thermoelectric Company, Boyacá, Colombia. On this basis, proposals are made to optimize the process based on design criteria and the scope and limitations of the project and establish the requirements for the selection of sensing device...

The following article discusses the development of research work conducted at the Santo Tomas de Aquino University which is based on the data acquisition modules two robotic one articulated and other Cartesian card through a National Instruments, using instrumentation LabVIEW software which carries a series of programs which have the function graph...

This paper describes the mathematical analysis for the design, simulation, construction and definitive implementation of instrumentation systems for signal acquisition. The applied mathematics allows to design algorithms and procedures to model, to represent, to simplify and to evaluate electronic systems in industrial applications such as the robo...

The power active filters have become a viable alternative for controlling harmonic levels in industrial and commercial applications. This paper discusses the detailed study of the Shunt Power Active Filter structure in derivation. It presents the methodology for modeling and designing of an active power filter in parallel, the study of the dynamic...

Este documento muestra el funcionamiento actual del proceso de llenado de tolvas de carbón de las unidades I, II y III en la Empresa Termoeléctrica de Paipa, Boyacá Colombia. Sobre esta base, se realizan las propuestas de optimización del proceso basado en criterios de diseño como el alcance y las limitaciones del proyecto y se establecen los reque...

The power active filters have been a viable alternative for controlling harmonic levels in industrial and commercial applications. This paper presents a brief operation analysis discusses the detailed study of the Shunt Active Power Filter structure (APF). The analysis of some definition of power and currents, it needs to filter operation. In order...

The power active filters have become a viable alternative for controlling harmonic levels in industrial and commercial applications. This paper discusses the detailed study of the Shunt Power Active Filter structure and proposed and developed the methodology for modeling and designing an active power filter in parallel, the study of the dynamic beh...

This paper describes the design, implementation and performance analysis of electronic instrumentation and control to monitor and control the prototype rocket’s flight. Through an acquisition card are captured electronically the electrical variables such as speed and acceleration in the longitudinal axis x, y, z, as well as angular velocity and acc...

This article describe some advances obtained during thesis development process, which it’s have been part of the OCULA I project (Applied OCULography, first part), its goal is to control the movil robot’s displacements using Electrooculography (EOG), technical where are measured bioelectric signals, in concordance with the eye-track. First, we’ll t...

En este documento se presentan los resultados obtenidos a partir del desarrollo final de las prácticas experimentales para el procesamiento digital de señales realizadas con el DSP 56F8323 de Motorola. Dichas prácticas están organizadas por capítulos, los cuales contienen la información teórica necesaria para desarrollar cada una de estas prácticas...

This paper presents modeling, analysis and design of robust controllers applied to a system of magnetic suspension. First, from the nonlinear model and linearizing the system around a operation point obtains the nominal model; the specifications of performance settle down required to obtain the set of models of bounded uncertainties. Next an analys...

The system is based on five parts: signal acquisition, RLS adaptive filter, cepstral analysis, voice activity detection and dynamic time warping. The noise is assumed additive to the speech signal and the spectral components of each process are assumed statistically independent Gaussian random variables. The result obtained is a robust speech recog...

Este Articulo describe a groso modo, algunos de los avances obtenidos en el desarrollo de este trabajo de grado y además de investigación enmarcado dentro del proyecto OCULA I (oculografía Aplicada, primera etapa), en el cual se pretende controlar los movimientos de un robot móvil a partir de Electrooculografía (EOG), en donde se obtiene una señal...

En este proyecto se diseña y desarrolla un prototipo de control y monitoreo para cohetes, a través de una tarjeta capaz de adquirir variables de velocidad y aceleración longitudinal en los ejes x, y, z, velocidad y aceleración angular en los ejes Pitch, Yaw y Roll, además la altura, temperatura y la posición del cohete respecto a su centro de masa...

La investigación a partir de sus grandes ramas fortalece aquellos vacios de conocimiento los cuales requieren dar solución a un problema, es por esto que se desarrolla la temática extendida hacia grandes campos de la ingeniería como la Instrumentación, el Control Automatizado y las Comunicaciones entre otros. A partir de estas grandes áreas se pret...

This paper presents the modeling analysis and design of robust controllers applied to magnetic suspension system . First, from the nonlinear model and linearizing the system around a operation point obtains the nominal model; the specifications of performance settle down required to obtain the sef of models of bounded uncertainties. "Design control...

This paper presents modeling, analysis and design of robust controllers applied to a system of magnetic suspension. First, from the nonlinear model and linearizing the system around a operation point obtains the nominal model; the specifications of performance settle down required to obtain the set of models of bounded uncertainties. Next an analys...