
Carlos Calderón CórdovaUniversidad Técnica Particular de Loja | UTPL · Departamento de Ciencias de la Computación
Carlos Calderón Córdova
Scientific Researcher | Associate Professor
Digital Transformation of Industry, Industrial Robotics, Deep Learning
About
62
Publications
35,091
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
237
Citations
Citations since 2017
Introduction
I work as a Scientific Researcher, University Professor, Consultant, and Executive. My areas of expertise are Industrial Digital Transformation, Industry 4.0, Robotics, Automatic Control, and Sensors. As a Scientific Researcher, I have participated in 27 Research, Development, and Innovation Projects, equivalent to a period of 20 years, and an executed budget of $1.9 Million. Among the results of my research work, I am the author of 32 Scientific Publications Indexed in Scopus / Web of Science.
Additional affiliations
January 2006 - December 2015
January 2006 - March 2016
Publications
Publications (62)
There is a great variety of applications for the use of fractional operators, with a special case in fractional control systems. Different methods of realizing the fractional operators of the FOPID controllers offer a variety of results. This article presents some methodologies for realizing fractional order controllers using MATLAB toolboxes. Thre...
The objective of this paper is to design and implement an automatic coffee bean selection system, based on the integration of a Scara Epson robot arm with a Convolutional Neural Network - based classifier. The implemented system extracts the elements that were identified as coffee beans with shape and color alterations. The hardware architecture co...
Robots, like any machine, have limitations in
characteristics such as maximum load, speed, or acceleration.
Although manufacturers specify the maximum and nominal
values at which the robot can operate, it is possible to oversize
or minimize the capacity of these devices, especially for specific
tasks in academia or industry. The purpose of this pap...
(EN) The invention relates to multifunctional swimming goggles (1) comprising two transparent lenses (2, 3) connected by means of an elastic frame (4) intended to extend around the user's head in an ergonomic manner. According to the invention, the goggles (1) comprise: a first coupling element (5) that can be detached by means of first magnetic el...
Loja-Ecuador Resumen-Un marco de gobierno de las Tecnologías de Información (TI) ayuda en la dirección y control de las TI actuales y su previsión futura, permite además que las organizaciones mejoren su efectividad y eficiencia apoyando al cumplimiento de los objetivos organizacionales, esto permite tener una ventaja competitiva con empresas que b...
(EN) The invention relates to a device for the wireless underwater monitoring of the characteristics of water in an aquaculture pond (10), in order to ensure adequate water quality and suitable selection of the optimal aquatic animal classes for each water type. The device comprises a preferably spherical sealed casing (1) and a unit (3) for measur...
(EN) The invention relates to a system intended to facilitate the agricultural education of students in a visual and entertaining manner, and which comprises a monitoring device intended to be buried in the soil , with a casing (1), a storage and processing unit (2), a communication unit (3), a soil sensor (4) and a power supply unit (5), and a soi...
(EN) The invention relates to a device for characterising the soil properties of agricultural land, comprising: measurement elements (1) that can be buried in the soil; and an external processing and control unit (12) radio-linked to the measurement elements (1), comprising at least one database with crop growth models and climate variables. Each o...
(EN) The invention relates to an interaction between a board game, with a playing area (10) and game pieces (11), and an interaction system, including interface pieces (12) which represent actions of the player, player identifiers (15a, 15b), piece identifiers for identifying at least the interface pieces (12) and optionally also the game pieces (1...
(EN) The present invention relates to a detachable device that can be fitted to supports used to take selfies, which can be used to position the mobile phone and to capture images from the front. More specifically, the aim of the invention is to fit an additional system to a system as originally manufactured, i.e. a rain and sun protector. A mini-s...
(EN) A portable cleaning device comprises a hollow gripping handle (1) and a hollow body (7) linked to one end of the handle (1) and having a throughgoing slot (8). The handle comprises a cleaning liquid receptacle (2), a sprayer and a liquid recharging opening (6). The body (7) houses a telescopic rod (9) linked to the handle (1), a joint (10) lin...
The higher education through virtual environment is students centered oriented to the interactive learning, in situations to be closer to the real world; for that reason, teachers must have new communicative competence. students centered oriented to the interactive learning, in situations to be closer to the real world. This paper shows the use of...
(EN) The invention can be used to generate an early warning signal in real time when a transport route is affected by an anomaly (4) blocking the movement of vehicles. For this purpose, first sensors (1) are used to obtain data from the transport route environment and to transmit said data wirelessly to a control centre (6), where a decision is tak...
In the dairy industry, pasteurization is a very
important process since it guarantees the flavor, yield and quality
of the final product. Consequently, monitoring of temperature
and time is very important during the pasteurization process. If
this monitoring is done manually, this negatively affects the
quality of the product and the safety of the...
The growing consumption of bottled water is the
result of the lack of healthiness of the water provided by the
company that distributes drinking water. In our environment the
consumption of bottled water is the healthiest option for users.
Therefore it is necessary that there are enough water purification
plants in the locality, so that its product...
The pumping system of the Administration Board of
Drinking Water and Sanitation of the Algarrobera (JAAPS-LA) is
made up of a cylindrical aquifer with dimensions of 70 meters deep
and 0.305 meters in diameter, the central element of this system is
the submersible pump electrical, which is controlled by time. This
current system has some deficiencie...
Currently the consumption of healthy beverages
has had a significant increase, more and more people enjoy a
tea or some aromatic beverage, this is why demand has
influenced the growth of companies responsible for the
industrialization of these products, which triggers a search for
more efficient industrial processes and faster, the local
industry h...
El presente artículo muestra las potencialidades
turísticas en la Amazonía Sur de Ecuador dentro de la provincia
Zamora Chinchipe mediante aplicaciones metodológicas con la
participación de actores locales para identificar atractivos
naturales y culturales susceptibles de convertirse en productos
turísticos. Los resultados muestran la factibil...
Some countries in South America such as Ecuador,
Colombia and Peru have increased their presence in the
production and export of orchids. Ecuador has 14% of the world's
species and in 2014 its orchid exports increased 8%, this shows the
importance of this product for the country. An orchid greenhouse
is a botanical garden specialized in the cultiva...
The size of the world market for essential oils has
been constantly growing in the last decade, with an increase of
between 10% and 15% of production per year. Among the most
used techniques to extract essential oils is distillation by watersteam
drag, however to guarantee safety in terms of work
accidents, and, in order to homogenize the quality o...
The productive chain of a dairy industry
contemplates the pasteurization of milk, in which the
temperature has the main role, therefore the quality of the final
product depends on this variable. This evidences the need to
continuously monitor the temperature value in each of the tanks
belonging to the pasteurization process. Based on the above, the...
In Drinking water treatment plant (DWTP), mainly
those that are in the rural area, your pumping operations are
done manually. However, the consequences of a human error in
these tasks can be: waste of water (vital resource) and energy
consumed by the pumping system, and shortages from the DWTP
to users. This demonstrates the need to design a low-co...
The present work seeks to develop an autonomous
system for the release of steam from a boiler, with the aim of
automating and monitoring the operation of a Turkish bath
located in a hostel in the town, the system allows to eliminate the
intervention of people. That is why the following work addresses
the design, simulation and implementation of a t...
Coffee is one of the most consumed beverages in the
world and is the second most traded product after oil. For
medium-sized producers there is an urgent need for practical and
innovative ideas to produce low-cost ground coffee and increase
the overall sustainability of coffee agribusiness. Within the coffee
production chain is the roasting phase, w...
Este libro muestra en quince capítulos resultados de diseño de dispositivos en el campo de la rehabilitación y la órtesis. A lo largo del libro se muestra en este trabajo cómo ambas ramas del saber la medicina y la ingeniería forman un vínculo inevitable que sirve de base para proponer soluciones a problemas de la sociedad, en las cuales la interdi...
Un marco de gobierno de las Tecnologías de Información (TI) ayuda en la dirección y control de las TI actuales y su previsión futura, permite además que las organizaciones mejoren su efectividad y eficiencia apoyando al cumplimiento de los objetivos organizacionales, esto permite tener una ventaja competitiva con empresas que brindan los mismos ser...
El sector artesanal colabora diariamente en el crecimiento y desarrollo de la economía nacional, a través de: la
oferta de puestos de trabajo, en la calificación y profesionalización de jóvenes de ambos sexos en las distintas
ramas artesanales, tanto de servicios o producción en el fomento del turismo nacional e internacional, en la captación de di...
In image processing area and segmentation algorithms based on thresholding, the intensity of the image (grayscale) is usually obtained in order to differentiate the regions of the objects and the background. The segmentation based on the threshold works well when the image has a high intensity in the contrast, this characteristic is key to make a g...
The artificial vision is a part of the artificial intelligence that pretends to simulate the human vision, is to say, from the acquisition, processing, analysis and interpretation of images through an intelligent system. This work presents the creation of prototypes under the game jam model as a softwareproduct. In this context, the objective of th...
The artificial vision is a part of the artificial intelligence that pretends to simulate the human vision, is to say, from the acquisition, processing, analysis and interpretation of images through an intelligent system. This work presents the creation of prototypes under the game jam model as a software product. In this context, the objective of t...
This paper presents research on identifying and
implementation of "game jam" model in an organization dedicated
to developing software that has different teams of engineers in
various disciplines, such as software engineers, electronic and
specialists in art and design. Game jam has a promising approach
in the rapid development of projects or new p...
In image processing area and segmentation algorithms based on thresholding, the intensity of the image (grayscale) is usually obtained in order to differentiate the regions of the objects and the background. The segmentation based on the threshold works well when the image has a high intensity in the contrast, this characteristic is key to make a g...
This paper presents research on identifying and implementation of "game jam" model in an organization dedicated to developing software that has different teams of engineers in various disciplines, such as software engineers, electronic and specialists in art and design. Game jam has a promising approach in the rapid development of projects or new p...
The present work is part of the "Hand of Hope" project, which seeks to develop low-cost robotic hand prostheses, with the aim of contributing to the social and labor inclusion of people with upper limb motor disabilities living in developing countries. The objective of this work is to design and deploy the grasp control system to enable a robotic p...
The present work is part of the "Hand of Hope" project, which seeks to develop low-cost robotic prostheses with the aim of contributing to the social and labor inclusion of people with motor disabilities of their upper extremities. The specific objective to address in this work is the design and development of the system architecture to recognition...
This article describes the detection of the characters of the license plate through of computer vision techniques such as cascade of classifiers based in Sobel algorithm, analysis of peaks, and valleys and learning vector machines; the search for the region of the plate begins by detecting vehicles, then, character segmentation and concludes with t...
The present work is part of the "Hand of Hope" project, which seeks to develop low-cost robotic prostheses with the aim of contributing to the social and labor inclusion of people with motor disabilities of their upper extremities. The specific objective to address in this work is the design and development of the system architecture to recognition...
RESUMEN: En este trabajo se plantea el diseño de un sistema de obtención de imágenes satelitales en formato HRPT, correspondiente a satélites de alta resolución temporal con órbita polar de NOAA. Para ello se usa tecnologías de hardware y software de radio definida mediante software (SDR), logrando un sistema flexible, en el cual se puede incorpora...
In this paper, the bootstrap method was used to estimate the frequency of a signal. Here, the periodic signal was transformed into a rectangular wave and the interval of time between two consecutive positive edges of this rectangular wave was estimated. First, in order to estimate this interval of time, a counter was used to count the number of clo...
Score data from math class
This paper shows the use of Wolfram software as a supplementary educational resource in the
process of reading comprehension in mathematics, in the first and third semester of Information and Computer
System Engineering as part of process of formation of future engineering. Mathematics is a fundamental subject
in the formative process of educating...
The tensile test (TT) is a practice that is done mainly in mechanical, electromechanical, and
civil engineering laboratories. In the academic environment it has researched, and developed a variety of
hardware-software systems applied to TT, e.g. computer-aided instruction systems for TT, and virtual instrumentation
systems for remote engineering la...
Ejemplos de Función exponencial y logarítmica.
This paper proposes the architecture and the procedure for the design of a new computer vision based educational board game, which is an automated tutor oriented to special education institutions. For practical demonstration of the proposed system, we applied machine vision to educational board game focused on Braille math operations two-dimensiona...
This paper proposes the architecture and the procedure for the design of a new computer vision based educational board game, which is an automated tutor oriented to special education institutions. For practical demonstration of the proposed system, we applied machine vision to educational board game focused on Braille math operations two-dimensiona...
As the population increases, it also increases the demand for water resources; this implies a challenge for the professionals that work in activities related to water supply systems, because these systems must ensure the availability and proper water quality. In Ecuador, the Municipalities are the responsible of the operation and maintenance of the...
The measurement of weather variables in the Andes Mountains of Ecuador is of great importance for environmental, hydrological and ecological research. Such investigations reveal indicators that contribute to innovative management of Territorie, which it is characterized as a biodiverse natural heritage. Due to heterogeneity of the distribution of r...
The main contribution of this paper is that a novel method of verification of the statistical performance of electronic circuits that have been specifically designed to analyze the power quality is proposed. The method is based on the Wilcoxon signed-rank test and on the Levene test, which are nonparametric statistical inference techniques, and it...
A low-cost, multiple-purpose, and high-precision timing test setup for the measurements of secondary Mode S radar transmission signal was proposed. The goal was to fully guarantee compliance of the proposed transmitter under test with the really hard International Civil Aircraft Organization requirements using traditional measurement equipment, whi...
In one embodiment, a device for estimating frequency of the periodic signal includes a processor that receives a periodic signal and a periodic estimator module that is executable by the processor to estimate a length of a predefined number of cycles of the periodic signal with respect to a comparator signal to generate a length estimate for each o...
El sistema se encuentra dividido en estos módulos: módulo de sensores, que monitorea los pesos de los materiales ingredientes; módulo de actuadores, que habilita a la señal de salida del PLC para que soporte el encendido y apagado de los mecanismos a controlar; módulo de digitalización de señal y control de conmutación; módulo de software de automa...
En este trabajo se integran la robótica, el procesamiento de imágenes y la inteligencia artificial. Para demostrar dicha integración, se diseñó e implementó un sistema robot que desempeñe el juego Tic-Tac-Toe con adversario. Este sistema consta de tres retos: Desempeñar los movimientos de las piezas del juego. Discernir la disposición de las fichas...
Projects
Projects (8)
General:
Research, develop and innovate in the field of Human-Computer Interaction and related sciences.
Specific:
1) Make efficient use of the existing research laboratories at the "Universidad Técnica Particular de Loja" with the development of projects, product management, graduate degree works and postgraduate theses, in the areas of science related to HCI.
2) Propose frameworks for efficient management of digital resources based on HCI principles.
3) Research from the academy the attention and inclusion of people with disabilities with multiprofessional teams to achieve maximum independence with the enhancement of their abilities.
4) Promote the internationalization of the research group through international networks of HCI and related science areas.
5) Actively participate in scientific events aligned to HCI and insertion of people with disabilities in education, health and work.
Used of Cloud Computing Tools for Education.
Develop of Cloud Computing Tools for Education.