Repositorio Institucional UNAD: Recent submissions
Now showing items 8621-8640 of 64901
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Proposal of good practices in the collection and guarantee of equipment of digital evidence in cloud computing.
(Sello Editorial UNAD, 2023-05-31)For the development of the proposal of good practices in the collection and guarantee of integrity of digital evidence in cloud computing, the high demand for services by different users and companies that has led the industry to implement new business models in which cloud computing makes its appearance, presenting in the technological field the possibility for its clients and users to remotely access software, hardware, ... -
Project management standards and their application in the development of sustainable projects: a reflection on the case study of the construction of water reservoirs in the municipality of Saboyá, Boyacá (Colombia)
(Sello Editorial UNAD, 2023-05-31)The development of sustainable projects involves the analysis of the different areas that compose it: environmental, economic, and social. Project management has made different changes in favor of sustainability and there are several standards that support the planning and organization of projects. Prince2, IPMA, P2M, models such as PSM3 and methodologies P5 and PRISM. This document illustrates a reflection of the ... -
A discussion about key performance indicators and sustainable projects. Case study in the construction of water reservoirs in the municipality of Saboyá, Boyacá (Colombia).
(Sello Editorial UNAD, 2023-05-31)Key performance indicators (KPIs) are fundamental to measure and track the different aspects that the triple bottom line (environmental, economic, and social) requires in the development of sustainable projects. This paper illustrates a review of different authors who focus their research on the most appropriate application of KPIs in project management, together with the use of multicriteria and multiattribute ... -
Paper chromatography on leaves of buttermut squash (Cucurbita moschata), tomato (Solamun lycopersicum) and bean (Phasealus vulgaris)
(Sello Editorial UNAD, 2023-05-31)Paper chromatography is a technique used for the separation of components, specifically pigments, therefore, the objective of the research was to identify the presence of different photosynthetic pigments in vegetable leaves. Three types of samples were used (butternut squash, bean and tomato leaves) and two treatments (acetone and ethyl alcohol), where it was identified that the best solvent for pigment extraction was ... -
Secure technological infrastructures for smes in Colombia
(Sello Editorial UNAD, 2023-05-31)This article begins with identifying the state of the technological infrastructures, processes and services most used by SMEs as well as the level of security they provide in their processes, supported by surveys, industry and government statistics, all this in order to formulate a series of recommendations to improve that SMEs have secure technological infrastructures. According to Law 590 of 2000 and its modifications ... -
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 ...
