Browsing by Author "Vélez Varela, Fernando (Director)"
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Item Desarrollo de un módulo de medición de variables eléctricas en transformadores de potencia mediante conceptos de IoT(Universidad Santiago de Cali, 2020) Barragán Barón, Pedro Jefferson; Guzmán Atehortúa, Jhon Hadder; Vélez Varela, Fernando (Director)This work details the development of a module that performs measurements of electrical variables in a low voltage power transformer. These variables are sent by means of the IEEE802.11 standard, connecting to a database stored in the cloud; associating IoT concepts with the meter, this to allow a client to perform an analysis, monitoring and management of their electrical network. For the construction of this module, non-invasive current sensors connected to a three-phase meter are used and a communication card is used that allows data to be extracted from the meter and sent to the cloud database. With this module, it is possible to convert a conventional electrical power transformer into an smart electrical power transformer, making it a Smart Object and thus extract information from it telemetrically in real time.Item Determinación técnica de los mapas de cobertura de las redes IEEE 802.11 dentro de los bloques 1,2,4, y 6 de la Universidad Santiago de Cali, sede Pampalinda(Universidad Santiago de Cali, 2020) García Portilla, Carlos Jair; Vélez Varela, Fernando (Director)The Santiago de Cali University has a wireless WI-FI®-LAN communication network system, which is a mixed combination of two types of networks: WI-FI® , which is a wireless technology that allows the connection of electronic devices, LAN (area networks local) that connects devices via data lines or telephone lines. The backbone network interconnection or backbone connections is composed of a large number of switches between the 7 buildings that make up the Santiago de Cali University, this connection has a speed of 10Gbps per second and between classrooms has a speed of 1Gbps per second to the consumption of users who have terminal devices (cell phones, computers), their accessibility (AP) has an estimate of 300 Ap to be used by approximately 3500 to 4000 students a day and approximately 100 administrative. The wireless communication network of the Santiago de Cali University, is within the minimum parameters established by the IEEE standards (Institute of Electrical and Electronic Engineering), to offer the connectivity service to the educational community, but the communication offer presents problems which are evidenced in the repeated complaints of the users such as: connection difficulty, data transmission, coverage. Therefore, to give a general approach of how the state of the wireless communication network is, a “Technical Determination of the Coverage Maps of the IEEE 802.11 Networks within blocks 1,2,4, and 6 of the Santiago de Cali University, Pampalinda Headquarters.” was made through the implementation of the Inssider Home software Ekahau HeatMapper that allowed the mapping of the coverage of the electromagnetic spectrum that is used to evaluate in graphs the internet band that is analyzed and the flow of data packets. The conclusions obtained showed that there are problems in the connectivity of the devices and in the data traffic that cause a decrease in the signal and delay in the transfer of data, possibly due to the fact that there is an Access point that may be damaged, badly located or excessive of networks, the conjectures are many and it is expected that there will be continuity in the investigation.Item Determinación y desarrollo de un concepto de control aplicado a un sistema distribuido para gestión de dispositivos y objetos en espacios mediante IoT(Universidad Santiago de Cali, 2020) Mosquera Gil, Christian Andrés; Minotta Rodríguez, Nicolás; Vélez Varela, Fernando (Director)In recent years, the Internet has been a tool that has allowed to place in convergence absolutely everything, what it involves to apply technologies in different scenarios, objects and situations; This has allowed to integrate and give solution of different problematics, which benefit both users like companies. There is the purpose to apply the concept of IoT (Internet of Things), to solve problematics that are presented in the local context; In this process that was addressed, it was built a prototypal model applied to a distributed system, which allows to manage the times that are provided to users who have to share a concept of space and of media using a service or functionality; associating this as an objective, to improve the control of said users, and in turn to ease the work of the managers of said space to improve the service and the business; the example of application of this was done on a skating rink. For this achievement, it was designed a wireless device that was incorporated in each one of the helmets that must to bring the users of the scenario, which is integrated by a hearing device which reports that the time has been requested has finished and a lighting device that notifies the supervisor or manager of said scenario (clue), to identify the users who have this condition. These helmets, are managed by means of a Web platform, since it allows the easy integration of the same, in addition for its usability, in which the can be taken advantage of presence of widgets , with which can be added functionalities, which implies more ease to adapt and operate; The above is thinking about the treatment of the end user. In this document will explain the design and development of the prototype, the impact on the time management of users on the skating rink with the use of the device created.Item Diseño de una guía teórica y práctica sobre redes definidas por software (SDN) para la Universidad Santiago de Cali(Universidad Santiago de Cali, 2019) Cardona Aguirre, Juan Mateo; Vélez Varela, Fernando (Director)Software-defined networking they are a set of communication techniques that have been developed for the construction of a network architecture that allows you to divide the control and the data for the production of programmable networks flexible and automated to increase its capabilities, independent of the physical infrastructure. Since the SDN are still at the stage of research and development, the best current option to experience its functionalities is to carry out a simulation of the network that you want to implement, through an emulator called Mininet, this being a software that creates a virtual network set to actual parameters. Engineering of the Universidad Santiago de Cali programs do not have in their curricula with topics where consideration the SDN, it therefore intends to develop a theoretical and practical guide to software defined networking that serves as a basis for future practices that are carried out. That way an installation and configuration guide accurate about Mininet explaining the development for establishing the initial connections to simulate, in addition to a document where the current theoretical framework related to the SDN is taught and ends with the practice of some generals of the Mininet commands, and CLI command line administration of switchs OpenFlow.Item Dog Assistant, automatización para dosificar y temporizar la alimentación de mascotas(Universidad Santiago de Cali, 2021) Vasquez Mucua, Tito Izhar; Ortiz Solarte, Henry Danilo; Salazar Ortiz, Erika Juliana; Vélez Varela, Fernando (Director)This project developed a system associated with a mechanism, which has the purpose of dosing the daily feeding of a canine-type pet, by means of the provision of an autonomous food dispenser and rationer, which, according to the characteristics of the pet and the concentrate, feed according to a programmed schedule and where the information defined in that schedule provides the appropriate amount. This system is arranged with the idea of dispensing the amount of food that a canine should receive depending on the breed, age and weight, which is defined in advance as the reference data in this class of situations, in this case the class of the chosen breed are of the small type according to the canine biotype. This dispenser helps the user to provide the right amount of food, preventing the canine from suffering from overweight, malnutrition or other diseases derived from a poor diet. Its implementation seeks to provide peace of mind to the user and give a better quality of life to the pet. For the development context of this, a 3-year-old Chihuahua small breed dog was used.Item Integración e implementación de redes convergentes para el soporte de IoT en Smart Cities(Universidad Santiago de Cali, 2019) Palacios Tovar, Sebastián; Vélez Varela, Fernando (Director)This article is the conceptual achievement in IoT, Machine learning and artificial intelligence, which bases the current integration and implementation of convergent networks for the support of current technologies, supported by hardware and software elements applied in Smart Cities models. These seek to determine sustainability margins through improvement processes related to infrastructure, innovation and technology, to reduce energy consumption and CO2 emissions. For this, it is intended to use the Digital Network Architecture® (DNA®) model of converged networks to support IoT references in Smart cities and, in turn, establish which network integration process is more efficient for use in some parameters of these. The arrival of new technologies such as 5G and the growth of the Internet of Things (IoT) have forced telecommunications operators to converge into a single network to maximize the use of their resources. Convergent networks are constantly developing, because there are increasing demands for connectivity and data transmission.Item Modelado de llamado masivo remoto de medidor con requerimientos de alta disponibilidad para la operación de un CGM(Universidad Santiago de Cali, 2021) García Ledesma, Jorge Junior; Vélez Varela, Fernando (Director)The energy trading companies, specifically the measurement management centers of the electric service area (CGM) are in a constant change and evolution of their services, in addition to complying with the conditions established by governmental entities and are the ones who provide society with certain minimum quality parameters in the services offered by each trader, because of these guidelines a series of technological strategies are implemented to meet these conditions. As a primary mechanism, the following project presents the modeling of a massive call solution, which considers to a great extent the real scenario of a CGM, such as variety and volume of users. Consequently, the parameters established within the project provide a set of essential concepts to achieve a detailed understanding of the solution presented, therefore, a series of strategies and programs will be executed which are based on remote calling and implementation of information security protocols. The impact of this paper is the proposed new grouping framework for the classification of electrical loads. The calculation time of the proposed framework is less than that of previous classification techniques, allowing a complete sample of the utility to be processed in a matter of minutes on a personal computer.