Zobrazeno 1 - 10
of 224
pro vyhledávání: '"Viviana Cocco Mariani"'
Autor:
Bernardo Luis Tuleski, Cristina Keiko Yamaguchi, Stefano Frizzo Stefenon, Leandro dos Santos Coelho, Viviana Cocco Mariani
Publikováno v:
Sensors, Vol 24, Iss 22, p 7316 (2024)
Engine fault diagnosis is a critical task in automotive aftermarket management. Developing appropriate fault-labeled datasets can be challenging due to nonlinearity variations and divergence in feature distribution among different engine kinds or ope
Externí odkaz:
https://doaj.org/article/718000a6b04a45d08b9ab44b89544ece
Autor:
Anne Carolina Rodrigues Klaar, Laio Oriel Seman, Viviana Cocco Mariani, Leandro dos Santos Coelho
Publikováno v:
Sensors, Vol 24, Iss 4, p 1113 (2024)
The electrical energy supply relies on the satisfactory operation of insulators. The ultrasound recorded from insulators in different conditions has a time series output, which can be used to classify faulty insulators. The random convolutional kerne
Externí odkaz:
https://doaj.org/article/729d0dcab80d4f7e8256f7c39fb6f87d
Autor:
Matheus Henrique Dal Molin Ribeiro, Ramon Gomes da Silva, José Henrique Kleinubing Larcher, Andre Mendes, Viviana Cocco Mariani, Leandro dos Santos Coelho
Publikováno v:
Sensors, Vol 23, Iss 16, p 7049 (2023)
Electroencephalography (EEG) is an exam widely adopted to monitor cerebral activities regarding external stimuli, and its signals compose a nonlinear dynamical system. There are many difficulties associated with EEG analysis. For example, noise can o
Externí odkaz:
https://doaj.org/article/abbc55085b69499aa951d6a3043c7603
Autor:
Guilherme Augusto Silva Surek, Laio Oriel Seman, Stefano Frizzo Stefenon, Viviana Cocco Mariani, Leandro dos Santos Coelho
Publikováno v:
Sensors, Vol 23, Iss 14, p 6384 (2023)
Due to its capacity to gather vast, high-level data about human activity from wearable or stationary sensors, human activity recognition substantially impacts people’s day-to-day lives. Multiple people and things may be seen acting in the video, di
Externí odkaz:
https://doaj.org/article/f7b8e6c07b0b448db2267c9ce921eed4
Autor:
Stefano Frizzo Stefenon, Laio Oriel Seman, Nemesio Fava Sopelsa Neto, Luiz Henrique Meyer, Viviana Cocco Mariani, Leandro dos Santos Coelho
Publikováno v:
Sensors, Vol 23, Iss 13, p 6118 (2023)
Disruptive failures threaten the reliability of electric supply in power branches, often indicated by the rise of leakage current in distribution insulators. This paper presents a novel, hybrid method for fault prediction based on the time series of
Externí odkaz:
https://doaj.org/article/30a1623fb3514043867da3a9d5d2f296
Autor:
Andressa Borré, Laio Oriel Seman, Eduardo Camponogara, Stefano Frizzo Stefenon, Viviana Cocco Mariani, Leandro dos Santos Coelho
Publikováno v:
Sensors, Vol 23, Iss 9, p 4512 (2023)
The predictive maintenance of electrical machines is a critical issue for companies, as it can greatly reduce maintenance costs, increase efficiency, and minimize downtime. In this paper, the issue of predicting electrical machine failures by predict
Externí odkaz:
https://doaj.org/article/3d3ed487767347428e966960e0f73a2a
Autor:
Stefano Frizzo Stefenon, Matheus Henrique Dal Molin Ribeiro, Ademir Nied, Viviana Cocco Mariani, Leandro Dos Santos Coelho, Valderi Reis Quietinho Leithardt, Luis Augusto Silva, Laio Oriel Seman
Publikováno v:
IEEE Access, Vol 9, Pp 66387-66397 (2021)
Contaminated insulators can have higher surface conductivity, which can result in irreversible failures in the electrical power system. In this paper, the ultrasound equipment is used to assist in the prediction of failure identification in porcelain
Externí odkaz:
https://doaj.org/article/067eb14237004a05a965a4711ec70da5
Autor:
Anne Carolina Rodrigues Klaar, Stefano Frizzo Stefenon, Laio Oriel Seman, Viviana Cocco Mariani, Leandro dos Santos Coelho
Publikováno v:
Energies, Vol 16, Iss 7, p 3184 (2023)
The energy price influences the interest in investment, which leads to economic development. An estimate of the future energy price can support the planning of industrial expansions and provide information to avoid times of recession. This paper eval
Externí odkaz:
https://doaj.org/article/c96dfbea69774a0b9ad9c12553c20636
Autor:
Anne Carolina Rodrigues Klaar, Stefano Frizzo Stefenon, Laio Oriel Seman, Viviana Cocco Mariani, Leandro dos Santos Coelho
Publikováno v:
Sensors, Vol 23, Iss 6, p 3202 (2023)
Insulators installed outdoors are vulnerable to the accumulation of contaminants on their surface, which raise their conductivity and increase leakage current until a flashover occurs. To improve the reliability of the electrical power system, it is
Externí odkaz:
https://doaj.org/article/a6cee29a7a2f4109b42ad597fa013e85
Publikováno v:
Energies, Vol 16, Iss 3, p 1371 (2023)
The cost of electricity and gas has a direct influence on the everyday routines of people who rely on these resources to keep their businesses running. However, the value of electricity is strongly related to spot market prices, and the arrival of wi
Externí odkaz:
https://doaj.org/article/315eb9ac9d764ef6b4a06e925cb5171e