TCC - Bacharelado em Sistemas da Informação (Sede)
URI permanente para esta coleçãohttps://arandu.ufrpe.br/handle/123456789/427
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7 resultados
Resultados da Pesquisa
Item Desenvolvimento de uma infraestrutura em nuvem para monitoramento de ninhos de tartarugas marinhas(2024-03-08) Silva, Wanderson Moura da; Medeiros, Victor Wanderley Costa de; http://lattes.cnpq.br/7159595141911505This Course Completion Work proposes a monitoring system for sea turtle nesting, using the ThingsBoard platform to create a monitoring dashboard. The study seeks to integrate Internet of Things (IoT) technologies and community involvement strategies to improve the conservation of these species, whose existence has long been threatened by various predatory factors. The application on the ThingsBoard platform makes it possible to obtain essential data in real time, such as movement and temperature from devices installed inside the nest. The implemented dashboard will provide a clear visual representation of the status of each monitored nest, automatically generating an alert when critical events occur, such as an excessive increase in temperature or movements that cause the incubated eggs to hatch. The dashboard, in addition to providing crucial information for researchers and environmentalists, will be accessible to the local community through an exclusive mobile application. The project review encompasses ongoing improvement strategies, emphasizing collaboration with local experts and active community participation to optimize the effectiveness of the monitoring application. The central role of the dashboard developed on the ThingsBoard platform is to receive and present data from devices installed in turtle nests, to monitor temperature and movement. This system facilitates understanding and analysis of data, providing insights into the possibility of egg hatching, and contributing to the effective conservation of sea turtles.Item Desenvolvimento de um dispositivo sensor para monitoramento de ninhos de tartarugas marinhas(2024-03-10) Arruda, André Luiz Ribeiro; Medeiros, Victor Wanderley Costa de; http://lattes.cnpq.br/7159595141911505; http://lattes.cnpq.br/7895899500265397The preservation of sea turtles is crucial for marine ecology and global biodiversity, as they play important roles in maintaining coastal and marine ecosystems. Currently, some non-governmental organizations dedicated to this cause monitor nests on beaches along the brazilian coast manually, which requires time and human resources. To streamline this process, this study proposes the implementation of an IoT device equipped with sensors for monitoring sea turtle nests. Utilizing Long-Range, Low-Power (LoRa) communication technology, the device aims to enhance monitoring efficiency and accuracy, thereby contributing to the conservation of these vulnerable species.Item Prototipação de um sistema de localização utilizando Redes LoRaWAN(2024-03-05) Maia, Pedro Lopes; Medeiros, Victor Wanderley Costa de; http://lattes.cnpq.br/7159595141911505; http://lattes.cnpq.br/2161981667043569With the proliferation of the use of IoT technologies, efficient solutions in terms of battery usage and applicability for device positioning have become increasingly necessary due to the demand for location-based services. In this context, signal-based localization techniques, such as fingerprinting, represent a very appropriate solution as they meet the requirements of these applications. In this study, a public dataset containing RSSI values from a LoRaWAN network was used to create machine learning models to evaluate their effectiveness in positioning LoRa devices, offering an alternative to GPS, which due to the high power consumption of device batteries, in many cases, is not viable for IoT systems. After evaluating hyperparameters and applying appropriate methodologies for each algorithm studied, a model was obtained capable of making predictions with an average error of 301.34 meters and a median of 164.26 meters.Item Desenvolvimento de software para dimensionamento automático de painéis fotovoltaicos aplicados a sistemas IoT com restrição energética(2022-10-17) Maia, Bruno Lins; Medeiros, Victor Wanderley Costa de; http://lattes.cnpq.br/7159595141911505; http://lattes.cnpq.br/4677794271430249The growth of the IoT (Internet of Things) systems market has generated a growing demand for resources to power these devices. Many of them are used in applications and regions where access to electrical energy is restricted. One alternative to this challenge is using solar energy, which is widely available, especially in Brazil, due to its favorable geographic location. Given this scenario, this work proposes the study and implementation of a software tool capable of providing technical specifications of a photovoltaic system aimed at embedded devices with energy restrictions.Item Desenvolvimento de um sistema integrado baseado em IoT para automação de um Clinostato 3D(2022-08-23) D’Amorim, João José Antonio Souza; Albuquerque, Jones Oliveira de; http://lattes.cnpq.br/1220553574304474The integrated system based on IoT for automation, is a set of technological devices aiming at microgravity in an Internet control and microgravity simulator. Terrestrial gravity is capable of masking scientific and technological experiments, in view, the 3D Clinostat is able to promote a microgravity environment offering a more accurate result in various types of experiments. The extra axis speed per minute, temperature of the two axis stepper motors and the environment, the values of the three axes x,y and z of the accelerometer and the values of the x,y and z axes of the gyroscope, speed sensors, three, temperature, accelerometer and gyroscopes to the equipment. Aiming at a simple and intuitive user cloud in a simple way and values of the data obtained, with the purpose of informing and controlling, simultaneously, the equipment, the values in a spreadsheet in the intuitive display in an IoT dashboard platform in realtime and sends alerts about the operation through a Bot on an instant messaging communication platform. The proposed integrated is capable of extracting the aforementioned data from the precision sensors, through a simple and objective measurement system, in the form of a real system and auxiliary measurement for measuring the tested equipment.Item Comparação entre protocolos da camada de aplicação para IoT(2019) Soares, Raphael Felipe Ramos Duarte; Gonçalves, Glauco Estácio; Medeiros, Victor Wanderley Costa de; http://lattes.cnpq.br/7159595141911505; http://lattes.cnpq.br/6157118581200722; http://lattes.cnpq.br/4811240660930767The number of intelligent objects with computational capacity and communication withe ach other and connection to the Internet grows increasingly. In this context, the way these devices send and receive data is one of the fundamental issues to develop the area of the Internet of Things (IoT). Based on this, the present work analyze 3 network communication protocols in this area: HTTP, MQTT and CoAP to list the fastest andmore reliable. To do this, an experiment was designed using a Raspberry Pi, serving as an IoT device, and a notebook. The experiment consists in sending a certain amount of data from the Raspberry Pi to notebooks using the previous protocols. To bring the experiment as close as possible to the reality, a network simulator was used to emulate a poor quality network. The sent data packets were captured and a statistical analysis was performed to compare 2 factors: latency and packet loss. From the result of this analysis, it was concluded that the CoAP protocol will behave better in a poor quality network, while HTTP performe the best result for superior quality network.Item Método para Estimativa de Trajeto Baseado em Dados de Unidades de Medição Inercial(2019) Silva, Lucas Filipe Vieira da; Medeiros, Victor Wanderley Costa de; Gonçalves, Glauco Estácio; http://lattes.cnpq.br/6157118581200722; http://lattes.cnpq.br/7159595141911505; http://lattes.cnpq.br/1223833449629855The Internet of Things (IoT) has emerged as a new vision for the Internet, where awide range of devices can connect to the network. This concept is directly related tothe technological advances experienced in the development of semiconductors andintegrated circuits. These devices became cheaper, smaller, and more power efficient.These advances also enable the emergence of new applications, like real-time localiza-tion. Precise location through orientation plays a critical role in estimating the tracking ofa sensor attached to an object. The main objective of this work is to evaluate, through ex-perimentation, a trajectory estimation method based on the gradient descent algorithmand acceleration and rotation data activated by a low-cost Inertial Measurement Unit(IMU). The experiment was performed by collecting data in a straight walk, performed30 times, at a frequency of 100Hz and 50Hz. The equipment used was an MPU-6050sensor coupled to a TTGO T-Beam development board. The localization estimationswere calculated by an algorithm written in Python language. The results have shownthat it is possible to use an IMU to estimate a trajectory performed by a person withreasonable accuracy, adopting a sample rate of 50Hz.