Repositorio Institucional UNAD: Recent submissions
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Low-cost devices such as hardware to implement support tools for computer security
(Sello Editorial UNAD, 2023-05-31)The massification of telecommunications services, Internet access, the low prices of consumer electronics, mobile telephony and the Internet of Things, among others, have generated a complex panorama from the point of view of Cybersecurity risks, large companies and governments can invest a large amount of resources for the purchase and operation of security platforms that help them minimize these risks, but for small ... -
Implementation of BPM methodology for self-evaluation process analysis. case study: UNAD
(Sello Editorial UNAD, 2023-05-31)BPM methodology is an effective tool that allows understanding and improving existing processes within an organization, with the aim of increasing process efficiency and effectiveness. The purpose of this document is to analyze the self-assessment process at the Universidad Nacional Abierta y a Distancia (UNAD) through the implementation of Business Process Management (BPM) methodology, combined with Business Process ... -
Mobile application to strengthen the cognitive skills of basic mathematics in students with TDAH.
(Sello Editorial UNAD, 2023-05-31)Teaching basic math can be challenging in children with attention deficit and hyperactivity disorder. In response to this problem, the INTERMATSI seedbeds of the ECBTI school and the PHYLOS seedbed of the ECSAH school, propose to develop an innovative mobile application, which serves as a motivating tool for children in the world of mathematics. This research has as its main objective to address the learning difficulties ... -
Didactic strategie for the inclusion of students with hearing disabilities for the development of digital skills and mathematical logical thinking.
(Sello Editorial UNAD, 2023-05-31)The admission of students with hearing disabilities to higher education has increased, therefore, educational institutions implement different inclusive strategies to guarantee permanence, equity in access to information, development of skills and learning results with the same opportunities given to hearing students. For this reason, this document will review different didactic strategies that have been implemented ... -
Design of a coupling system by CNC milling machine for the measurement of electrical conductivity in aqueous solutions
(Sello Editorial UNAD, 2023-05-31)This Working Paper presents the simulations of the design and machining by CNC milling machine of prototype potentiomeric cell for the measurement of electrical conductivity in aqueous solutions, with application to precision agriculture. The prototype integrates an electrical conductivity sensor, thermocouple and mechanical stirrer. Highlighting key points, such as the need to make two lateral perforations for cleaning ... -
Technological adaptation in rice crops to increase productivity under the SRI intensive crop system on the la pedregosa farm in the municipality of Aguazul - Casanare
(Sello Editorial UNAD, 2023-10-02)The research proposal focuses on designing a software tool to evaluate the performance of rice grain and seedling characteristics during the germination process in rice crops using plant transplantation techniques. The study is conducted in a 52-hectare rice field at La Pedregosa farm in the municipality of Aguazul, Casanare. Twenty samples are taken from delimited areas measuring 2m x 2m to compare the traditionally ... -
HUMBERTO'S: Development of the STEM methodology and computational thinking through Educational Robotics.
(Sello Editorial UNAD, 2023-05-31)This project has been developed at the I.E.M Humberto Muñoz Ordoñez in the city of Pitalito - Huila, Colombia, its main objective is to use innovative and motivating tools for students to build knowledge and develop soft skills such as autonomy, responsibility, creativity, and teamwork, in addition to establishing a strategy to develop transversal cognitive skills and competencies in students. To achieve this, a ... -
Design of a quality management system for a dried mango processing plant
(Sello Editorial UNAD, 2023-11-02)The purpose of the investigation was to design a Quality Management System in a dehydrated mango processing plant in the city of Valledupar (Cesar), in order to guarantee the safety and quality of the product, during its processing and commercialization. For the design of the quality management system in the dehydrated mango processing plant, the following were applied: good manufacturing practices (BPM), complemented ... -
Implementation of an automatic feeding system for dogs and cats with artificial intelligence technical application of convolutional neural network (CNN).
(Sello Editorial UNAD, 2023-11-07)In this project, an artificial intelligence (AI) system was implemented applying convolutional neural network (CNN) techniques for the detection and automatic feeding of dogs and cats in a foster home located at the Laureano Gómez educational institution, in San Agustín, department from Huila Colombia. Two main components were developed: the first, an image processing system and the second, an automatic learning model, ... -
Kombucha: evolution and trends
(Sello Editorial UNAD, 2023-05-31)This research proposes the construction of a technological surveillance model for the strategic management of social, industrial and scientific research on fermented products - Kombucha. For this study, data containing information related to the evolution of knowledge about this fermented beverage worldwide was collected in documents published in high-impact journals indexed in the Scopus database, between the years ... -
I design an e-learning type web application which will be implemented in public schools of the municipality of Gachetá
(Sello Editorial UNAD, 2022-11-25)Virtual education has become the best option for many people who don't have enough time to attend academic activities in person due to personal, work, or more recently, phytosanitary reasons (COVID-19). Despite all the advantages of virtual education, one of the main problems institutions face is the lack of software that allows academic activities to be carried out virtually. Therefore, the proposal is to create a ... -
Comparative Analysis of IoT Platforms for Application Development in Electronic Engineering
(Sello Editorial UNAD, 2022-11-25)The implementation of IoT - Internet of Things systems has increased in recent years. Currently, there are several platforms for IoT application development for both hardware and software. However, each one has its own unique characteristics. This working paper analyzes the Arduino IoT Cloud, Cayenne, ThingSpeak, and Thinger.io platforms based on project experience developed in the Renovatio seedbed. The best platforms ... -
Food losses in agri-food production in Colombia: a brief background
(Sello Editorial UNAD, 2023-11-07)The agri-food production chain in Colombia faces the challenge of reducing the rate of losses of food for human consumption due to waste. The importance of these losses has a greater impact on agricultural production to obtain raw materials for processing and food consumption. From a triple bottom line perspective, the economic, environmental, and social aspects are important and relevant. The methodology used for the ... -
Analysis and remediation of risks in industrial machines according to the standards ISO 12100 - ISO13849-1
(Sello Editorial UNAD, 2023-11-07)This working Paper presents the general process to carry out the risk analysis of industrial machines, indicating the main characteristics and definitions of the preventive measures of the security functions implemented through the ISO 13849-1:2015 standard, made up of the logic subsystems, input and output. The methodology proposed in ISO 12100:2010, allows to establish the limits of a machine, the dangers related to ... -
Energy outlook of the meta department in the face of the energy transition
(Sello Editorial UNAD, 2023-11-07)The energy transition is one of the main goals of the current government of Colombia. This transition could directly impact not only the hydrocarbon companies but also the entire economy. In this document, a preliminary analysis will be carried out on how the department of Meta would be affected from an energy perspective. This will serve as a baseline for the development of an analysis system on energy supply and ... -
Systematic Review On Management Models Supported By It Architecture And Business Strategies For The Monitoring Of The Agricultural Sector
(Sello Editorial UNAD, 2022-11-25)A systematic review on the business model was developed for a digital transformation proposal based on an IT architecture through technological tools, demonstrating the viability of a venture to strengthen the technification of the agro-industrial sector, contributing as a value proposition, the efficiency, precision and reduction of production costs, through the census of the important variables involved in production ... -
Characterization in leaves and rhizomes of sago Maranta arundinacea (L.)
(Sello Editorial UNAD, 2023-05-31)Sagu (Maranta arundinacea), is a plant that is characterized by its cylindrical and tuberous rhizomes from which starch is extracted, however, little has been reported about the benefits that its leaves can provide for animal feed. Therefore, the objective of this research was to determine the presence or absence of secondary metabolites in sago leaves and rhizomes and to characterize the fiber of the leaves in order ... -
Mechatronic development of a line follower robot
(Sello Editorial UNAD, 2023-05-31)This papper presents the electronic and mechanical development of a line follower robot, which is integrated by an information acquisition system with an array of sixteen QRE1113 reflective sensors, a processing system based on ATMEGA 328 microcontroller, a locomotion system by means of brushed motors, a power system by means of TB6612FNG driver and an autonomous power system by means of LiPo batteries. Finally, the ... -
Pueblito Huilense Eco-turistic Park Pre.factibility research
(Sello Editorial UNAD, 2022-11-25)This document is based on the development of the pre-feasibility study of the Pueblito Huilense Ecotourism Park, which starts from the need for sustainable environmental development in Pitalito city, whose socio- economic vocation has been culturally based on the production of coffee, but given the growing market opportunity attracted by the new trends in eco-tourism, agro- tourism as well as the opportunity to take ... -
Native starch yield in two yam species Dioscorea sp.
(Sello Editorial UNAD, 2023-05-31)The yam is a food resource of the genus Dioscorea, native to tropical and subtropical regions in the world, and two species Dioscorea alata and Dioscorea rotundata stand out. The objective of this study was to identify the native starch content in two species of yam Dioscorea alata (Creole variety), Dioscorea rotundata (Espino variety and Diamond variety), such that it can be used in agrobusiness processes; using a ...






















