Now showing items 261-280 of 510

    • E-book as a didactic and technological strategy for the teaching of conventional imaging and radiological anatomy for the program of Technology in Radiology and Diagnostic Images of the UNAD 

      Gómez Gómez, Huber Alexander; Rubio Vanegas, Carmen Emilia (Sello Editorial UNAD, 2021-02-11)
      The digital material available for the virtual courses can vary from PDF files, virtual learning objects, videos, online pages, depending on what each of the educational institutions and those in charge of content development can offer. The National Open and Distance University (UNAD) has at its disposal for its academic population an e-library that aims to strengthen training through the use of technologies, by which ...
    • Evaluation of the impact of efficiency in innovation and technological development projects 

      Sanchez Torres, Eliana Julieth (Sello Editorial UNAD, 2021-02-11)
      The projects in the different stages of execution can be involved in problems of cost overruns, delays or dissatisfaction of the interested parties, the identification of the points of improvement to turn the difficulties into opportunities, through the use of a good evaluation of the impact against efficiency in innovation and technological development projects. This document seeks to continue with the first phase ...
    • Management model with agile approach for associative projects of the fruit sector of the Sumapaz Zone, Cundinamarca - Colombia 

      Hernández Prieto, Juan Carlos (Sello Editorial UNAD, 2021-02-11)
      A project management model with an Agile approach is proposed to the associative fruit sector to improve the formulation, planning, execution and technological innovation, among others, in order to minimize economic losses and low growth projections for the sector.      The management model with an agile approach, aims to contribute to improving and creating projects, addressing different options ...
    • Conceptual fundamens for evaluation of institutional policies in learning management systems through the use of data analytics 

      Riaño Velandia, Darío Alejandro; Delgado Quintero, Darío José (Sello Editorial UNAD, 2021-02-11)
      This work shows the implementation of a model for the evaluation of institutional policies supported by data analytics, for its development the Open Collaboration in Policy Modeling OCOPOMO methodology is followed, which suggests an innovative approach that integrates the development of scenarios and the formal modeling of policies through an ICT Information and Communication Technologies toolbox. The result was the ...
    • Study with potential candidates for a doctoral program 

      Vivares, Jorge A.; López, Alba L.; Toro, Edward; Muñoz, Henry; Vásquez-Bernal, Oscar A.; Rojas, Ronald (Sello Editorial UNAD, 2020-12-28)
      According to the “Mission of wise men”, adviser for the development of the Colombian Science, Technology, and Innovation (CTeI) policy, it is essential to improve the country's productivity and with it, the quality of life of the population and one of the priority strategies is high-level training for the development of patents and innovation of the national productive apparatus. Therefore, the objective of the study ...
    • Design of an Automated Aquaponic System as a solution for efficient food production 

      Fernandez Arzuaga, Luis Manuel (Sello Editorial UNAD, 2021-02-11)
      El objetivo de la investigación es generar un modelo de producción de alimentos eficiente a través de la construcción y evaluación de un prototipo funcional de un sistema acuapónico automatizado utilizando técnicas de llenado y drenaje en uno de los lechos de cultivo y la técnica de raíz flotante. en el otro.Se propone resolver dos problemas de los sistemas acuapónicos, la eficiencia en el monitoreo de la calidad del ...
    • Entrepreneurship education from an agile approache 

      Triana Ortiz, Karla Nathalia; Montes Dias, Nely Johanna (Sello Editorial UNAD, 2020-12-28)
      Entrepreneurship as a strategy to face economic and employment challenges, has taken on greater relevance in scenarios of uncertainty such as the COVID-19 pandemic. Higher education institutions have identified the need to train in skills to promote business creation and innovation in any disciplinary field; implementing different agile methodologies, such as lean startup, design thinking and business model canvas to ...
    • Current status of UNAD ZAO on-site and open educational support system based on BPM 

      Garay Villada, Angela Dayan; Cardona Román, Diana Marcela (Sello Editorial UNAD, 2020-12-28)
      Organizations today want to increase their agility and efficiency in each of their processes and generally use process management tools or Business Process Management (BPM) for this, and their use helps to identify processes that are susceptible to improvement.   At the National Open and Distance University UNAD Zona Amazonia Orinoquia ZAO, a process of orientation to In Situ and open students (B-learning and ...
    • Design and implementation of an instrumentation system for the analysis of resistive circuits using virtual tools and 3D modelling 

      Rodriguez Garcia, Nestor Javier; Rodriguez García, Nestor Javier; Nieto Sanchez, Iván Camilo (Sello Editorial UNAD, 2021-01-27)
      The design and implementation of a tool to support the training process for Engineering students is presented through the 3D modeling of the elements in a laboratory for the analysis of resistive circuits in series and parallel configuration in direct current, whose purpose is to interact with modeled elements. and performing the operation check of an electrical circuit. The proposed methodology presents as the first ...
    • Socially responsible management model for Mipymes. Case study of companies dedicated to washing cars in the municipality of Dosquebradas. 

      Castellanos Jaramillo, Gloria Paulina; Bonilla Cely , Sandra Milena (Sello Editorial UNAD, 2020-12-28)
      For years, companies have superimposed their profits over social and environmental impacts; However, current management trends offer the possibility of claiming the damage caused and acting differently through administrative models and the use of tools that promote the improvement of the quality of life of the human team as well as the protection and care of the environment. , applying innovative models known as: ...
    • Exploratory study to create a doctoral program 

      Vivares, Jorge A.; Muñoz, Henry; Rojas, Ronald; Toro, Edward; Vásquez-Bernal, Oscar A. (Sello Editorial UNAD, 2021-01-27)
      The nations development needs science and technology process. It requires doing research and doctoral programs to support a strong scientific activity. Currently, the ECBTI (Basic sciences, technology and Engineering School) of the UNAD (National Open University) is planning to create his first doctoral program, and an important decision es required: a strategic name. The purpose of this paper is to identify a suitable ...
    • Design of the business architecture for the creation of the IT observatory in the National Open And Remote University - UNAD Zona Amazonia Orinoquia 

      Figueredo Luna, John Alejandro (Sello Editorial UNAD, 2020-12-28)
      This article shows the design of the business architecture for the IT observatory for the Amazonia Orinoquia area, which was carried out by applying the business architecture reference framework for IT management in Colombia and is complemented by a reference framework TOGAF. The method to be used is composed of a series of stages that are executed cyclically in such a way that in each of the iterations the level of ...
    • Statistical determination of extremophile extraterrestrial life based on Drake-Maccone equation 

      Torres Payoma, Freddy; López Munévar, María Jimena; Cuervo Say, Juan Camilo; Andrade Suarez, Angie Viviana (Sello Editorial UNAD, 2020-12-28)
      Drake's equation establishes the probability of finding extraterrestrial intelligent life in the universe. In addition to other factors considers those variables that rocky bodies such as planets, satellites, comets, among others, must have to host life based on how it developed on the earth. In this paper, an alternative solution to the Drake equation is presented to statistically determine the probability of finding ...
    • Extraction and characterization of pectin from residues of pineapple shells (ananas comosus) by the acid hydrolysis method 

      Guevara, Beatriz; Avila Garavito, Edward Cedulio; Perdomo Cerquera, July (Sello Editorial UNAD, 2020-12-14)
      The work was carried out by taking samples of pineapple peel from the Las Mercedes sector in the road corridor between Villavicencio and Acacias in the department of Meta, where a total of 9 mobile sales points were found, the general strain on average 14.11 Kg of peel / day An experimental design 22 was used for the pectin extraction process with the combination of temperature and time variables, where it was found ...
    • Data analysis with smart measurement AMI 

      Bustos, Joan Sebastian; Bustos, Joan Sebastian (Sello Editorial UNAD, 2021-01-27)
      In Colombia with the entry into force of the resolution of the Ministry of Mines and Energy 40072 of January 29, 2018 and the CREG circular 054 of 2018 and taking into account the modification made by resolution 40483 of May 30, 2019, in which electricity distribution companies in the country are requested, the implementation of the intelligent or advanced AMI measurement, which a technological solution of new measurement ...
    • Data mining for the prediction of student dropout at the National Open and Distance University 

      Avila Perez, Mario Luis; Medina, Javier (Sello Editorial UNAD, 2020-12-14)
      This document aims to disseminate a research proposal within the framework of the master's degree in IT management at Universidad Nacional Abierta y a Distancia. The document presents an approach expressing the opportunity to apply data analytics techniques to student information that is collected from UNAD's academic processes. Which, are able to analyze using data mining techniques to generate a model of predicting ...
    • Network infrastructure that allows communication of the disc brake diagnostic system between vehicles, through ad-hoc vehicle networks (vanet) 

      Nieto Sánchez, Iván Camilo; Alfonso Celeita, Eduar; Rodríguez García, Néstor Javier (Sello Editorial UNAD, 2020-12-24)
      VANET (vehicular Ad-hoc Networks) is a challenge generating interest in scientist and academic communities; the porpoise of this networks is to become safer and more comfortable drive to reduce the accident rates, the response times in an accident, improve the traffic mobility and so on. This work proposes the design of a network to the data transmission of the brake system diagnose, according to non-static nodes, ...
    • Solution architecture for managing self-assessment processes of academic programs using points of view 

      Correa Rodríguez, Arellys De Jesús; Cuervo Diaz, Nathalia Andrea; González Clavijo, Claudio Camilo (Sello Editorial UNAD, 2020-12-28)
      The application architecture or software architecture is oriented to the design of the system structure, with the aim of solving its technical and business requirements, reducing the risks associated with the construction of the software. This document describes a web-oriented software solution architecture to automate the self-evaluation process of academic programs at the National Open and Distance University, obtaining ...
    • Design and implementation of a thermopar spider system for the control of ambient temperature fluctuations in the extender area of the company vidrio andino 

      Rodriguez Garcia, Nestor Javier; Roncancio Ospina, Albert Alexis; Nieto Sanchez, Iván Camilo (Sello Editorial UNAD, 2020-12-14)
      This document presents a prototype of a multipoint thermocouple with control of ambient temperature fluctuations within the Andino glass factory. This prototype, according to its appearance, was named “Spider Thermocouple” and has a wide measurement range between –200 ° C to 3000 ° C, which is used to characterize the temperature inside the company facilities. The proposed methodology is focused on the design and ...
    • Implementation of the friction stir processing (FSP) for the modification and reinforcement of aluminum alloys and its effect on the mechanical properties. 

      Ramírez Herrera, Juan Camilo; Mejía López, Óscar León (Sello Editorial UNAD, 2021-01-27)
      The friction stir processing (FSP) technique can modify the microstructure of metallic materials or form a composite material, generating a grain refinement in the material; modifying it and closing porosities from previous processes, producing new crystallographic textures, altering the mechanical properties of the compound or alloy in the processed zone. In the present work , based on the works of different authors, ...