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Zenil Oliveira, Fábio Lúcio Santos, Domingos Sarvio Magalhães Valente, Francisco de Assis de Carvalho Pinto, Mateus Resende Rodrigues (Author)
Pág. 51 - 60
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Andre Luiz de Freitas Coelho, Fabio Lucio Santos, Francisco de Assis de Carvalho Pinto, Daniel Marçal de Queiroz (Author)
Pág. 579 - 586
The finite element method, which has been used to determine natural frequencies and mode shapes, is used to generate and solve differential equations that describe the investigated physical phenomenon. However, this method requires the use of geometric a...
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Fábio Lúcio Santos, Daniel Marçal de Queiroz
Pág. 423 - 430
Process mechanization has contributed significantly to the increase of agricultural productivity, although the correct selection of machines must take into account a set of technical, administrative and economic parameters. Mathematical modeling of the s...
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Geice Paula Villibor, Fábio Lúcio Santos, Daniel Marçal de Queiroz, Joseph Kalil Khoury Júnior, Francisco de Assis de Carvalho Pinto
Pág. 41 - 48
Detachment of coffee fruit is usually accomplished by means of mechanical impacts and vibrations applied to the plant. Modal properties of the coffee fruit-stem system represent important information for efficient and selective harvesting. This study aim...
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Fábio Lúcio Santos, Daniel Marçal de Queiroz, Domingos Sárvio Magalhães Valente, André Luiz de Freitas Coelho
Pág. 11 - 17
Mechanical harvesting can be considered an important factor to reduce the costs in coffee production and to improve the quality of the final product. Coffee harvesting machinery uses mechanical vibrations to accomplish the harvesting. Therefore, the dete...
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Geice Paula Villibor, Fábio Lúcio Santos, Daniel Marçal de Queiroz, Denis Medina Guedes
Pág. 7 - 14
Excessive vibrations in agricultural tractors can contribute with mechanical failures and subject the operator to discomfort. This work evaluated the vibration levels on rear and front axles of an agricultural tractor working at different forward speeds ...
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Ricardo Paupitz Barbosa dos Santos, Carlos Humberto Martins, Fábio Lúcio Santos
Pág. 21 - 25
Real ants and bees are considered social insects, which present some remarkable characteristics that can be used, as inspiration, to solve complex optimization problems. This field of study is known as swarm intelligence. Therefore, this paper presents a...
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Fábio Lúcio Santos, Maria Lúcia Machado Duarte, Marcos Túlio Corrêa de Faria, Alexandre Carlos Eduardo
Pág. 151 - 157
This paper deals with an analytical model of a rigid rotor supported by hydrodynamic journal bearings where the plane separation technique together with the Artificial Neural Network (ANN) is used to predict the location and magnitude of the correction m...
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Hugo Alves Pinheiro, José Vieira Silva, Laurício Endres, Vilma Marques Ferreira, Celene de Albuquerque Câmara, Fábio Félix Cabral, Jaqueline Figueredo Oliveira, Lúcio Wagner Torres de Carvalho, João Messias dos Santos, Benedito Gomes dos Santos Filho
Pág. 385 - 392
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