Zobrazeno 1 - 10
of 407
pro vyhledávání: '"Rui Esteves"'
Autor:
Pedro Sousa Melo, Rui Esteves Araújo
Publikováno v:
Cogent Engineering, Vol 11, Iss 1 (2024)
AbstractCore loss estimation in switched reluctance motor is a complex task, due to non-linear phenomena and non-sinusoidal flux density waveforms. Several methods have been developed for estimating it (e.g. empirical, and physical-mathematic models)
Externí odkaz:
https://doaj.org/article/6354efb40ef24a4c83970834e50499b8
Publikováno v:
Frontiers in Public Health, Vol 12 (2024)
IntroductionWhile biosimilar medicines can contribute to the sustainability of healthcare systems, their utilization rate varies across European countries. This study aims to identify and systematize policy measures and instruments used in European c
Externí odkaz:
https://doaj.org/article/ba36bebd0b174eb2a4e00a5e1c6cf678
Autor:
Cynthia Thamires da Silva, Bruno Martin de Alcântara Dias, Rui Esteves Araújo, Eduardo Lorenzetti Pellini, Armando Antônio Maria Laganá
Publikováno v:
Batteries, Vol 10, Iss 7, p 233 (2024)
The methodology presented in this work allows for the creation of a real-time adjustment of Kalman Filter process noise for lithium battery state-of-charge estimation. This work innovates by creating a methodology for adjusting the process (Q) and me
Externí odkaz:
https://doaj.org/article/7bf21928913c4393baa4898652534106
Publikováno v:
EAI Endorsed Transactions on Energy Web, Vol 11 (2024)
In this paper, the performance analysis of Machine Learning (ML) algorithms for fault analysis in photovoltaic (PV) plants, is given for different algorithms. To make the comparison more relevant, this study is made based on a real dataset. The goal
Externí odkaz:
https://doaj.org/article/87e2673835a54c88b5af53f3e5ba53ce
Publikováno v:
U.Porto Journal of Engineering, Vol 9, Iss 3, Pp 240-251 (2023)
Due to the advancement of power electronics devices and control techniques, the modular multilevel converter (MMC) has become the most attractive converter for multiterminal direct current (MTDC) grids thanks to its most relevant features, such as mo
Externí odkaz:
https://doaj.org/article/130cb489e0b34c30aa37064d5e0834c2
Publikováno v:
Energies, Vol 17, Iss 6, p 1416 (2024)
There is limited research focused on achieving optimal torque control performance of Switched Reluctance Generators (SRGs). The majority of existing studies tend to favor voltage or power control strategies. However, a significant drawback of SRGs is
Externí odkaz:
https://doaj.org/article/f6299db2219c49a3b3bb92c45c6fa77c
Publikováno v:
U.Porto Journal of Engineering, Vol 9, Iss 1, Pp 55-71 (2023)
Reducing vibration and noise in electrical machines for a given application is not an easy task, especially when the application imposes some restrictions. There are many techniques for reducing vibration based on design or on control. Switched reluc
Externí odkaz:
https://doaj.org/article/b5d8362881124aa2bde73340cace6cb9
Autor:
Daniel Sobral, Marta Martins, Shannon Kaplan, Mahdi Golkaram, Michael Salmans, Nafeesa Khan, Raakhee Vijayaraghavan, Sandra Casimiro, Afonso Fernandes, Paula Borralho, Cristina Ferreira, Rui Pinto, Catarina Abreu, Ana Lúcia Costa, Shile Zhang, Traci Pawlowski, Jim Godsey, André Mansinho, Daniela Macedo, Soraia Lobo-Martins, Pedro Filipe, Rui Esteves, João Coutinho, Paulo Matos Costa, Afonso Ramires, Fernando Aldeia, António Quintela, Alex So, Li Liu, Ana Rita Grosso, Luis Costa
Publikováno v:
Communications Biology, Vol 5, Iss 1, Pp 1-14 (2022)
The genetic and microenvironmental heterogeneity of colorectal cancer is analyzed using a prospective biobank of primary and metastatic tumor tissues to highlight features of intra-tumoral heterogeneity that favor tumor progression and metastasis.
Externí odkaz:
https://doaj.org/article/521f8b4260d84b81a20a13cbf27320d4
Autor:
Cynthia Thamires da Silva, Bruno Martin de Alcântara Dias, Rui Esteves Araújo, Eduardo Lorenzetti Pellini, Armando Antônio Maria Laganá
Publikováno v:
Energies, Vol 16, Iss 5, p 2218 (2023)
Storing energy efficiently is one of the main factors of a more sustainable world. The battey management system in energy storage plays an extremely important role in ensuring these systems’ efficiency, safety, and performance. This battery managem
Externí odkaz:
https://doaj.org/article/d092e893a50d4f48930f949d0956e346
Publikováno v:
U.Porto Journal of Engineering, Vol 6, Iss 1, Pp 26-36 (2020)
The main objective of modeling a switched reluctance machine is to derive a mathematical function to relate the outputs to the inputs. Due to the nonlinear relationship between the variables of torque, flux linkage, current and angular position of th
Externí odkaz:
https://doaj.org/article/57123c042b0e4a3789af7ede9ade853a