Voici les éléments 141-160 de 510

    • HUMBERTO'S: Development of the STEM methodology and computational thinking through Educational Robotics. 

      González Alvarez, Juan Manuel; Gómez Vargas, Carlos Andrés; González Alvarez, Juan Manuel; Gómez Vargas, Carlos Andrés (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 ...
    • Kombucha: evolution and trends 

      Vasquez Garcia, Andrea; Valdés Restrepo, Magda Piedad; Londoño Hernández, Liliana; Ordóñez Narváez , Ginna Alejandra; Vasquez Garcia, Andrea; Valdés Restrepo, Magda Piedad; Londoño Hernández, Liliana; Ordóñez Narváez , Ginna Alejandra (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 

      Martín, Bairon Duván; Martín, Bairon Duván (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 

      Rodriguez Aya, Angel Alejandro; Chica García, Juan Alejandro; Figueredo Luna, John Alejandro; Púa Castro, José Luis; Rodriguez Aya, Angel Alejandro; Chica García, Juan Alejandro; Figueredo Luna, John Alejandro; Púa Castro, José Luis (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 ...
    • Analysis and remediation of risks in industrial machines according to the standards ISO 12100 - ISO13849-1 

      Bustos Miranda, Joan Sebastian; Vallejo Giraldo, Bairon; Carvajal Salazar, Cristian Fernando; Bustos Miranda, Joan Sebastian; Vallejo Giraldo, Bairon; Carvajal Salazar, Cristian Fernando (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 ...
    • 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 

      Noguera Torres, Adriana Pilar; González Santos, Christian Saúl; Mogollón Benavides, Andrés Leonardo; Noguera Torres, Adriana Pilar; González Santos, Christian Saúl; Mogollón Benavides, Andrés Leonardo (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 ...
    • Design of a quality management system for a dried mango processing plant 

      Oñate Perpiñan, Yuneidys; Oñate Perpiñan, Yuneidys (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 ...
    • Food losses in agri-food production in Colombia: a brief background 

      Vásquez Bernal, Oscar Alejandro; Vásquez Bernal, Oscar Alejandro; Gómez Sánchez, Patrcia Paola (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 ...
    • Energy outlook of the meta department in the face of the energy transition 

      Chica Garcia, Juan Alejandro; Rodriguez Aya, Angel Alejandro; Figueredo Luna, John Alejandro; Mejia Cordoba, Ricardo Andres (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 

      Cuellar, Luis Adolfo; Quiroga, Cristian Camilo; Rodriguez Niño , Maria Consuelo; Cuellar, Luis Adolfo; Quiroga, Cristian Camilo; Rodriguez Niño , Maria Consuelo (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.) 

      Valdes Restrepo, Magda Piedad; Ortiz Grisales, Sanin; Londoño Hernández, Liliana; Vásquez García, Andrea; Ordóñez Narváez, Ginna Alejandra; Ortiz Grisales, Sanin; Londoño Hernández, Liliana; Vásquez García, Andrea; Ordóñez Narváez, Ginna Alejandra (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 

      Cuevas Carrero, William Alexander; Cuevas Carrero, Juan David; Cuevas Carrero, Juan David (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 ...
    • Native starch yield in two yam species Dioscorea sp. 

      Valdes Restrepo, Magda Piedad; Ortiz Grisales, Sanin; Rodríguez Restrepo, Robert Augusto; Valdes Restrepo, Magda Piedad; Ortiz Grisales, Sanin; Rodríguez Restrepo, Robert Augusto (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 ...
    • A posteriori error estimate for an emf in a 2d boussinesq type model 

      Mejía Rodríguez , Luis Fernando; Mejía Rodríguez , Luis Fernando (Sello Editorial UNAD, 2022-11-25)
      This work studies the numerical approximation of the solution of a non-linear 2D Boussinesq type system, where we implement a posteriori error method for the automatic refinement of the finite element method mesh to reduce the error in the approximation. In previous works, the existence and uniqueness of solutions for this type of system has been studied (Mejía & Muñoz, 2021; Chen, 2009). In this continuation of ...
    • Polymerase Chain Reaction (PCR), for the identification of pathogenic bacteria in meat products 

      Rabelo Florez, Roger Alberto; Gutiérrez de Piñeres Ramírez, Gloria Isabel; Rabelo Florez, Roger Alberto; Gutiérrez de Piñeres Ramírez, Gloria Isabel (Sello Editorial UNAD, 2023-01-18)
      Meat and its derivatives are the most produced and consumed foods worldwide, being also the most implicated in foodborne diseases (FBD); Campylobacter spp., Salmonella spp., Listeria monocytogenes and Escherichia coli, are the most implicated bacteria in foodborne outbreaks and the ones responsible for the largest recall of batches of food products from the market.  The Polymerase Chain Reaction (PCR) technique ...
    • Development Of An Accesible Functional Prototype, Associated With A Smart Farming Type Technology, In User Layer, Applied To Digital Illiterates In A Region Of Colombia. 

      Cárdenas, Mauren; Cárdenas, Mauren (Sello Editorial UNAD, 2023-01-18)
      This project focuses on the analysis of the implementation of Smart Farming technologies, in a region of Colombia based on the impressions that this has with respect to farmers, its main users, who present some type of intellectual disability, mainly illiteracy. digital or functional illiteracy. According to figures presented by the Ministry of Education of Colombia, the largest number of illiterates in the country is ...
    • Pueblito Huilense Eco-turistic Park Pre.factibility research 

      Gómez Alzate, Maritza; Rodríguez Burgos, Hernan; Gómez Alzate, Maritza; Rodríguez Burgos, Hernan (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 ...
    • System Design For The Circular Economy Process Of Recycling Workers 

      Amézquita Obando , Wilmer Manuel; García, Roberto; Amézquita Obando , Wilmer Manuel; García, Roberto (Sello Editorial UNAD, 2023-01-18)
      Thinking of creating tools that have a social impact, in this document it is proposed to create a software tool that allows recyclers to serve people directly at home, scheduling regular visits to collect recyclable material, generating trust between the recyclers and the people who live in the areas where they work. The mechanics of the recycling process by using the proposed software tool is as follows: Every day, ...
    • Design Of An Articulated Evaluation Model Of Usability And Accessibility For Interactive Systems 

      Albets Mitjaneta, Marta; Constaín Moreno, Gustavo Eduardo; Albets Mitjaneta, Marta; Constaín Moreno, Gustavo Eduardo (Sello Editorial UNAD, 2023-01-18)
      There are few existing methods for the evaluation of usability and accessibility that evaluate these for a variety of systems and without focusing on specific types of users. That is why a model has been created that allows usability and accessibility to be evaluated in a general context, dividing this project into three large parts. The first one consists of an introductory and learning part of the most important ...
    • Perception Of The Business Sector Regarding The Development Of Competencies And Disciplinary Skills In The Industrial Engineering Professional Practice Course: Case UNAD 2020 

      Barrera Siabato, Andrea Isabel; Barrera Siabato, Ana María; Barrera Siabato, Andrea Isabel; Barrera Siabato, Ana María (Sello Editorial UNAD, 2022-11-22)
      The professional practice course in the Industrial Engineering program of the Universidad Nacional Abierta y a Distancia UNAD Colombia is constituted as an exercise where the student, through a work plan, identifies unmet or partially met needs and proposes relevant solutions based on methods and tools of the discipline. These functions and products are supported by the actors of the process where an essential figure ...