Centro de Ciências Exatas e de Tecnologia - CCET: Recent submissions
Itens para a visualização no momento 1061-1080 of 7301
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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 ... -
Análise do efeito do padrão de entrada no desempenho da comunicação sem fio de medidores residenciais modernos de energia elétrica
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Elétrica - PPGEE, Câmpus São Carlos, 26/08/2022)Modern residential smart meters are among the enablers of the smart grid concept. Automatic electric metering is an important part of an energy policy with a focus on implementing new concepts that can provide consumers ... -
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 ... -
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 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, ... -
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 ... -
Revisão da efetividade da análise de vibrações para diagnóstico preditivo de falhas de equipamento em Indústria Química
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 23/09/2022)In the 4.0 industry, it's common the presence of technological solutions to predict equipment failures. The vibration analysis is used in the predictive maintenance area, and can can be applied to diagnose failures in the ... -
Previsão do preço do café utilizando redes neurais
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 27/09/2022)The present article aims to develop a study on the functioning of Multi-Layer Neural Networks, in order to predict the price of coffee, based on certain climatic conditions. In this way, it can be used as an aid tool at ... -
Revisão crítica de técnicas para estudo de propriedades ácido-base de catalisadores heterogêneos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 12/09/2022)Currently, around 85% to 90% of all petrochemical and chemical industrial processes in large industries are catalytic. The insertion of catalytic steps makes the process more environmentally sustainable, as it leads to the ... -
Um perfil do comportamento e características dos indivíduos frente a covid-19 a partir da pnad covid19
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 09/09/2022)The National Household Sample Survey (PNAD), which is conducted by IBGE, consists of general characteristics of the population, education, labor, income and housing. The COVID-19 pandemic, started in March 2020, imposed ... -
Estimação paramétrica do modelo de mistura padrão com fragilidade aditiva gama: aplicação a dados de câncer de mama
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/09/2022)Breast cancer is caused by the uncontrolled growth of abnormal cells in the breast, which multiply rapidly, aggressively and uncontrollably. This disease affects women all over the world, both in developed and underdeveloped ... -
Terapias neoadjuvante e adjuvante na excisão cirúrgica direta versus Kelóide Fillet Flap: terapia fotodinâmica injetável como uma promissora opção
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Biotecnologia - PPGBiotec, Câmpus São Carlos, 08/09/2022)Introduction: Keloid and hypertrophic scars are characterized by abnormal responses to the healing process. They present intense production and deposition of collagen and glycoproteins in the dermis, with consequent ... -
Modificação superficial de fosfatos de terras raras com funcionalização de ligantes orgânicos para aumento de eficiência luminescente na região do visível
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 19/09/2022)Introduction: Seeking a greater understanding of the interaction of light with matter, in order to develop new materials that present desirable properties and characteristics, this work sought to associate the unique ... -
Compósito a base de hidroxiapatita com ação antimicrobiana
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 19/09/2022)The development of materials that have antimicrobial properties are increasingly highlighted in the academic environment. In this way, the use of hydroxyapatite (HAp) as a support for semiconductors and natural compounds ... -
Avaliação da produção de H2 a partir da reforma a seco do metano e eletrólise da água
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 13/09/2022)The global energy demand since the industrial revolution has grown continuously and is projected to grow by 50% in the next 30 years. Following the current proportion of energy sources, it becomes environmentally unsustainable ... -
OxiTidy: motion artifact detection-reduction in photoplethysmographic signals using artificial neural networks
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Elétrica - PPGEE, Câmpus São Carlos, 22/07/2022)Nowadays, technological evolution has allowed advances in several areas, especially in healthcare. Digital transformation in health has brought benefits to both professionals and patients. What was possible to do only with ... -
Estudo das aplicações de data science e machine learning na engenharia química
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 13/09/2022)Today, with the advancement of technology and the ability of computers to store huge amounts of data, companies and industries have sought out professionals trained to deal with the challenge of organizing and extracting ... -
Influência da costura na performance de meios filtrantes aplicados em filtro de mangas
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 30/08/2022)There is a variety of filter bags available in the market for cleaning gases, composed of different materials, of various sizes, with several surface treatments, high efficiency, and different finishes, which enables the ... -
Metodologias para tratamento de água residuárias contendo efluentes tóxicos: uma revisão bibliográfica
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 12/09/2022)With the continuous populational growth and the consequent urban expansion, human activities that use water generate, throughout their processes, several effluents; which may contain contaminants harmful to both human ... -
Análise estatística de processo visando aumento da vida útil do revestimento de rolo aplicador de amido na produção de papel
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 12/09/2022)Additives are used in a paper production process, including starch. For application, the starch goes through a cooking process, and it is used in the process in order to improve the physical strength and appearance of the ...