Browsing TCC by Advisor "e25bf601-09ae-4b03-9190-e9a2dfd85fb2"
Now showing items 1-17 of 17
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Análise e modelagem de vibrações auto-excitadas no processo de torneamento de ligas de titânio por elementos finitosa
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 13/04/2023)A critical parameter in machining processes is the final surface quality of the machined part, directly related to self-excited vibrations that arise in these processes due to the interaction between the cutting tool and ... -
Análise da resposta dinâmica de um veículo sob entradas provenientes de irregularidades em estradas usando um modelo de meio carro
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 05/04/2023)The Brazilian transport matrix is mainly composed of road transport, meaning that the country has more than 1.7 million kilometers of highways, of which 66% have problems in their state of conservation. Monitoring the ... -
Aplicação de SVM na classificação de falhas em rolamentos: uma comparação entre o domínio tempo e tempo-frequência
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/03/2023)In order to enhance the operational efficiency of mechanical components, predictive maintenance has emerged as a critical technique for detecting potential failures before they lead to severe consequences such as accidents, ... -
Análise de risco no projeto de substituição de filtro em uma usina sucroenergética utilizando a metodologia da manutenção centrada em confiabilidade (MCC)
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/12/2022)The evolution of engineering and maintenance has transformed the industry,requiring greater quality and productive capacity from organizations. In this context, the availability of the assets, associated to the operational ... -
Estudo numérico do controle passivo de vibrações em torneamento mecânico a partir de materiais piezoelétricos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 15/01/2021)Chatter is a self-excited vibration that is found in several machining processes and for this reason it is one of the main causes for bad superficial quality on the workpiece. Therefore, the need of minimizing vibrations ... -
Comparação entre os métodos de análise modal operacional e análise modal experimental a partir de um ensaio de vibração em uma estrutura frame
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 05/07/2023)Vibration sensors, such as accelerometers, are applied in various techniques for monitoring the structural health of structures, such as bridges, machines, among others. In modal analysis, there have been several studies ... -
Classificação de descontinuidades em vias asfaltadas usando redes neurais treinadas a partir de modelos físicos da dinâmica vertical de veículos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 06/09/2023)With the growth of cities, there has been a noticeable increase in the amount of time people spend within transportation means on paved roads. Consequently, various ergonomic-related issues arise. In this context, this ... -
Análise de falha de motor diesel de colhedora de cana de açúcar John Deere 9.0L
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 30/04/2022)Automotive maintenance is understood as the set of techniques and processes responsible for enabling a machinery performs its designated functions. Analysis of agricultural equipment failures in juice energy companies, ... -
Desenvolvimento de ferramenta computacional baseada em Multiple Instance Learning para análise de vibrações mecânicas através de uma câmera digital
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 29/04/2022)In the engineering field, there is a need for monitoring and evaluating equipment that is in constant operation. A type of mechanism can cause problems in some components, so it can also cause a failure in the ... -
Otimização topológica para obtenção de nova geometria de órtese suro podálica
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 07/04/2022)With the improvement in current medicine, many diseases that were once fatal are now manageable with the advances in existing treatments and surgeries, but because of the increased survival, we also have an increase in the ... -
Monitoramento da integridade estrutural a partir de sensoriamento de baixo-custo: investigação de índices de dano e de efeitos de variáveis ambientais
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 24/03/2022)Structures are constantly subjected to external inputs, such as the application of forces, wind actions, temperature variations, among others, which can generate wear, noise and failures. Hence, techniques for monitoring ... -
Análise dinâmica e dimensionamento de um sistema pendular com roda de reação
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 28/09/2022)Whether in robotics or even in space vehicles, reaction wheels, characterized by a rotating disk coupled to an inertia flywheel, act as actuators that confers a non-linear and under-acting behavior to the response. This ... -
Estudo numérico do uso de amortecedor magneto-reológico na redução de vibrações auto-excitadas durante torneamento
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 27/09/2022)Chatter are self-excited vibrations that may occur during machining operations. Despite being known for more than a century, chatter is still a major limiting factor on machining operations, decreasing productivity, tool ... -
Caracterização dinâmica de um instrumento musical de cordas usando análise modal operacional
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 20/12/2019)Although the electric guitar has been more and more an investigation object by the academy, there are still important conclusions missing regarding its dynamic characteristics. To offer a contribution over this panorama, ... -
Investigação do controle passivo de vibrações em estruturas mecânicas através de cerâmicas piezoelétricas
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 15/01/2021)Smart materials and their applications in engineering for vibration control have been studied for some years and it has brought important discoveries and applications; in particular, one can mention piezoelectric ... -
Detecção de impactos em estruturas unidimensionais utilizando o método TDOA (Time Difference of Arrival)
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 13/07/2018)Impact is a dynamic load on a structure in which a high module force is applied within a short period of time. Then, as the impact has affected a steel beam, it is possible to analyze the mechanical signals measured produced ... -
Desenvolvimento e aplicação de módulo de sensoriamento de baixo custo para o monitoramento de saúde estrutural de máquina rotativa
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/10/2021)Predictive maintenance is a recent maintenance model on the market, although it is already well known in the aeronautical industry, and it is increasingly necessary in any manufacturing environment. The research project ...