Zobrazeno 1 - 10
of 75
pro vyhledávání: '"Sergio Luiz Stevan"'
Autor:
Carolina Deina, Matheus Henrique do Amaral Prates, Carlos Henrique Rodrigues Alves, Marcella Scoczynski Ribeiro Martins, Flavio Trojan, Sergio Luiz Stevan, Jr., Hugo Valadares Siqueira
Publikováno v:
Information Processing in Agriculture, Vol 9, Iss 4, Pp 556-565 (2022)
This work introduces a methodology to estimate coffee prices based on the use of Extreme Learning Machines. The process is initiated by identifying the presence of nonstationary components, like seasonality and trend. These components are withdrawn i
Externí odkaz:
https://doaj.org/article/afbc81ec03694545b9564914b335a98a
Autor:
Melissa La Banca Freitas, José Jair Alves Mendes, Thiago Simões Dias, Hugo Valadares Siqueira, Sergio Luiz Stevan
Publikováno v:
Sensors, Vol 23, Iss 13, p 6233 (2023)
Surgical Instrument Signaling (SIS) is compounded by specific hand gestures used by the communication between the surgeon and surgical instrumentator. With SIS, the surgeon executes signals representing determined instruments in order to avoid error
Externí odkaz:
https://doaj.org/article/2f0450aa5968433fb53796f81f276561
Autor:
Carlos Henrique Illa Font, Hugo Valadares Siqueira, João Eustáquio Machado Neto, João Lucas Ferreira dos Santos, Sergio Luiz Stevan, Attilio Converti, Fernanda Cristina Corrêa
Publikováno v:
Energies, Vol 16, Iss 2, p 953 (2023)
Technological advancement in storage systems has currently stimulated their use in miscellaneous applications. The devices have gained prominence due to their increased performance and efficiency, together with the recent global appeal for reducing t
Externí odkaz:
https://doaj.org/article/5c6240f981284882bfb2316c69c4399c
Autor:
Marco Antonio Itaborahy Filho, Erickson Puchta, Marcella S. R. Martins, Thiago Antonini Alves, Yara de Souza Tadano, Fernanda Cristina Corrêa, Sergio Luiz Stevan, Hugo Valadares Siqueira, Mauricio dos Santos Kaster
Publikováno v:
Energies, Vol 15, Iss 18, p 6788 (2022)
Although the proportional integral derivative (PID) is a well-known control technique applied to many applications, it has performance limitations compared to nonlinear controllers. GAPID (Gaussian Adaptive PID) is a non-linear adaptive control techn
Externí odkaz:
https://doaj.org/article/da6e954e0ecc4f1ba6718548f0784472
Autor:
Diego Castanho, Marcio Guerreiro, Ludmila Silva, Jony Eckert, Thiago Antonini Alves, Yara de Souza Tadano, Sergio Luiz Stevan, Hugo Valadares Siqueira, Fernanda Cristina Corrêa
Publikováno v:
Energies, Vol 15, Iss 19, p 6881 (2022)
Lithium-ion batteries are the current most promising device for electric vehicle applications. They have been widely used because of their advantageous features, such as high energy density, many cycles, and low self-discharge. One of the critical fa
Externí odkaz:
https://doaj.org/article/ce7a421acf7e4f3296e029a231329612
Autor:
Fábio Galvão Borges, Márcio Guerreiro, Paulo Eduardo Sampaio Monteiro, Frederic Conrad Janzen, Fernanda Cristina Corrêa, Sergio Luiz Stevan, Hugo Valadares Siqueira, Mauricio dos Santos Kaster
Publikováno v:
Sensors, Vol 22, Iss 16, p 6094 (2022)
This work aims to analyze two metaheuristics optimization techniques, Genetic Algorithm (GA) and Particle Swarm Optimization (PSO), with six variations each, and compare them regarding their convergence, quality, and dispersion of solutions. The opti
Externí odkaz:
https://doaj.org/article/060f90ae17bd4098bec55de7bad93cc2
Autor:
Sergio Luiz Stevan, Leandro Paiter, José Ricardo Galvão, Daniely Vieira Roque, Eduardo Sidinei Chaves
Publikováno v:
Sensors, Vol 15, Iss 10, Pp 26457-26477 (2015)
Vegetable oils used in frying food represent a social problem as its destination. The residual oil can be recycled and returned to the production line, as biodiesel, as soap, or as putty. The state of the residual oil is determined according to their
Externí odkaz:
https://doaj.org/article/01f68be52abe4e9d87a8d1bb782440c0
Autor:
José Jair Alves Mendes Junior, Melissa La Banca Freitas, Daniel Prado Campos, Felipe Adalberto Farinelli, Sergio Luiz Stevan, Sérgio Francisco Pichorim
Publikováno v:
Sensors, Vol 20, Iss 16, p 4359 (2020)
Sign Language recognition systems aid communication among deaf people, hearing impaired people, and speakers. One of the types of signals that has seen increased studies and that can be used as input for these systems is surface electromyography (sEM
Externí odkaz:
https://doaj.org/article/f41969ad125441f5a6534caef2c71d54
Autor:
Lucas Medeiros Souza do Nascimento, Lucas Vacilotto Bonfati, Melissa La Banca Freitas, José Jair Alves Mendes Junior, Hugo Valadares Siqueira, Sergio Luiz Stevan
Publikováno v:
Sensors, Vol 20, Iss 15, p 4063 (2020)
The use of wearable equipment and sensing devices to monitor physical activities, whether for well-being, sports monitoring, or medical rehabilitation, has expanded rapidly due to the evolution of sensing techniques, cheaper integrated circuits, and
Externí odkaz:
https://doaj.org/article/f4238478d8d94f478bedcc8c8fb142b6
Autor:
Henike Guilherme Jordan Voss, José Jair Alves Mendes Júnior, Murilo Eduardo Farinelli, Sergio Luiz Stevan
Publikováno v:
Sensors, Vol 19, Iss 11, p 2646 (2019)
Due to the emergence of new microbreweries in the Brazilian market, there is a need to construct equipment to quickly and accurately identify the alcohol content in beverages, together with a reduced marketing cost. Towards this purpose, the electron
Externí odkaz:
https://doaj.org/article/baefb741bff84ec4bde42773a94d63be