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Controle semi-ativo de suspensão automotiva utilizando o modelo “1/2-car” para veículos “off-road”
(Universidade Federal de São Carlos, 2022-08-08)
Automotive suspensions are systems that seek to reduce vertical acceleration in vehicles and reduce vibrations caused by imperfections in the pavement, resulting in increased stability and passenger comfort, using a passive ...
Caracterização dinâmica de um instrumento musical de cordas usando análise modal operacional
(Universidade Federal de São Carlos, 2019-12-20)
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, ...
Desenvolvimento e aplicação de módulo de sensoriamento de baixo custo para o monitoramento de saúde estrutural de máquina rotativa
(Universidade Federal de São Carlos, 2021-10-22)
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 ...
Investigação do controle passivo de vibrações em estruturas mecânicas através de cerâmicas piezoelétricas
(Universidade Federal de São Carlos, 2021-01-15)
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, 2018-07-13)
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 ...
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, 2022-03-24)
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, 2022-09-28)
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 ...
Desenvolvimento de ferramenta computacional baseada em Multiple Instance Learning para análise de vibrações mecânicas através de uma câmera digital
(Universidade Federal de São Carlos, 2022-04-29)
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 ...
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, 2023-09-06)
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 ...
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, 2023-07-05)
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 ...