Browsing Engenharia Mecânica - EMec by Issue Date
Now showing items 1-20 of 99
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Redes automotivas: análise teórica e experimental
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 17/02/2017)Every year new items of comfort, safety and technology are added to the vehicles. In Brazil, for example, it is already law that any national vehicle has ABS (Antiblockier-Bremssystem) and Airbag brakes. These systems ... -
Implementação de uma arquitetura experimental de aviônica modular integrada distribuída
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/12/2017)This work discusses the theoretical and experimental aspects for the implementation of Integrated Modular Distributed avionics. The distributed avionics technology is, still, a recent subject, but of great importance for ... -
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 ... -
Estudo dinâmico de fluidos magneto-reológicos de baixo custo
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/12/2019)Magnetorheological (MR) fluids are materials composed of magnetizable particles suspended in a non-magnetizable “carrier” fluid. These materials have the ability to change their rheological properties in the presence of a ... -
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 experimental da influência de parâmetros de usinagem sobre a resistência mecânica de um aço ferramenta endurecido
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/04/2020)The manufacturing process, the machinability of a material, its mechanical properties and application purposes are recurrent subject of analysis. However, not always the machining parameters influences are taken into ... -
Investigação do comportamento mecânico de scaffolds utilizados no tratamento de fraturas ósseas
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 10/08/2020)Scaffolds are implants used to accelerate the bone regeneration process of fractured bones. These components, developed in a research area called Bone Tissue Engineering, are designed to mimic human bone both in its ... -
Research and design of an autonomous and collaborative guided vehicle prototype, to be applied in indoor and outdoor environments and different types of floor
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 31/08/2020)This thesis is an initial attempt to investigate and design a prototype of an Autonomous Guided Vehicle (AGV) which could operate in indoor and outdoor applications. Currently, an AGV is designed to work in applications ... -
Estudo e contole de um robô hexápode utilizando o ROS (Robot Operating System)
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 09/12/2020)The technological advancements and the search for more productivity and efficiency has been changing the industrial environment, including the adoption of solutions in robotic field. In this scenario the goal of this ... -
Análise da dinâmica vertical de um protótipo baja SAE para dimensionamento da suspensão
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 10/12/2020)The present work lists and explains the main considerations for the suspension design of a mini Baja off-road prototype, based on the modeling and multibody analysis of its vertical dynamics. The work includes both the ... -
Análise de falha em materiais metálicos: uma abordagem complexa utilizando PLS-SEM
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 15/12/2020)Metallic materials may fail due to several reasons and at different ways. In general, it is common to be verified overload (ductile or fragile) or fatigue. These failures always let evidences that can explain their natures ... -
Implemento de trator para auxílio na poda de brotos de árvore em altura
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 17/12/2020)Due to growing concerns about the environment, consumption of legal timber relies on so-called reforestation timber, whose origin is from planted trees for this specific need. In order to make this plantation more efficient ... -
Controle proporcional de um modelo IS-LM com atuação no ajuste do mercado de moeda
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 13/01/2021)In this paper, the proposed study seeks to augment intuition regarding the role of the adjustment of interest rate in the GDP stabilization, by making use of engineering techniques. It is proposed a macroeconomic analysis ... -
Projeto de sistema trativo elétrico sem reduções mecânicas para veículos elétricos leves desenvolvido a partir de coleta e análise de dados de sistema real
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 13/01/2021)Light electric vehicles (LEV) of the electric skate type are traditionally built with a tractive system that makes use of synchronous belt transmission. In this work, a motor is proposed that is directly coupled to the ... -
Dynamic modeling and study of the response of three automated guided vehicles proposals
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/01/2021)The automatically guided vehicles (AGVs) are a technology widely used in industry for the trans portation of the most diverse products. Its advantages in speed, safety and logistics in warehouses or production lines are ... -
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 ... -
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 ... -
Análise de chatter no torneamento de aço endurecido utilizando o método de elaboração de diagramas de lóbulos de estabilidade
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 01/04/2021)Chatter is a self-excited phenomenon that affects manufacturing processes, which causes a poor surface quality in final pieces, excessive tool wear, waste of material and uncomfortable noise, causing financial loss and bad ... -
Análise da interação compressor-tubo capilar na adaptação de um sistema de refrigeração de R134a para R290 ou R600
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 01/04/2021)In a context with environmental concern getting more and more importance, products that are aggressive to the environment are receiving less and less demand. For instance, the refrigeration industry is being directed to ... -
Armazenagem de hidrogênio em cavacos de magnésio produzidos por meio de usinagem criogênica
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 21/06/2021)Hydrogen is a clean and low cost fuel, and its storage on solid state shows out to be a possibility for large scale application. Magnesium is considered a good material for hydrogen storage due to some interesting features ...