Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Fernando Garramiola"'
Publikováno v:
Sensors, Vol 23, Iss 1, p 254 (2022)
Low-frequency oscillations (LFO) occur in railway electrification systems due to the incorporation of new trains with switching converters. As a result, the increased harmonic content can cause catenary stability problems under certain conditions. Mo
Externí odkaz:
https://doaj.org/article/01c8de68df374a5282f3598e0138d5f5
Publikováno v:
Applied Sciences, Vol 12, Iss 17, p 8812 (2022)
A sensorless online temperature estimator is presented in this paper, which estimates the temperature using a novel signal injection strategy. This allows to eliminate the temperature sensors in the machine, as well as their faults, increasing the sy
Externí odkaz:
https://doaj.org/article/f71170a7e5eb406daf03ea71e0ad32f8
Publikováno v:
Applied Sciences, Vol 12, Iss 8, p 3736 (2022)
This paper presents an electromagnetic design alternative using the so-called banana-shaped magnets, achieving magnet weight reduction of 21.82% for the same performance as the baseline motor in the case study. Typically, parallel magnetization is us
Externí odkaz:
https://doaj.org/article/8b15324a4c9b457ba35a0c3eed4af88d
Publikováno v:
Energies, Vol 14, Iss 16, p 4886 (2021)
Induction machines have been key components in the industrial sector for decades, owing to different characteristics such as their simplicity, robustness, high energy efficiency and reliability. However, due to the stress and harsh working conditions
Externí odkaz:
https://doaj.org/article/08e96a4209ac4a84828ffa095b35fe5f
Publikováno v:
The Journal of Engineering (2019)
Fault mode and effects analysis (FMEA) has been used during decades for analysing the effects of faults in different applications. Initially, FMEA based on risk priority numbers provided information about the effects in the system, but during the las
Externí odkaz:
https://doaj.org/article/4ee049600f7d48a4a77396cb517aba42
Publikováno v:
Sensors, Vol 21, Iss 14, p 4711 (2021)
In recent years, the space industry has experienced a significant change mainly due to the incursion of private companies, which has shaken up the sector. This new situation allows for a reduction regarding the reliability of conventional instrumenta
Externí odkaz:
https://doaj.org/article/d180e94d95aa44d38ba6719b87049168
Publikováno v:
Sensors, Vol 21, Iss 12, p 4024 (2021)
The need to manufacture more competitive equipment, together with the emergence of the digital technologies from the so-called Industry 4.0, have changed many paradigms of the industrial sector. Presently, the trend has shifted to massively acquire o
Externí odkaz:
https://doaj.org/article/0749d7cd84eb4ab29086bbccba91472b
Publikováno v:
Sensors, Vol 20, Iss 4, p 962 (2020)
Due to the importance of sensors in railway traction drives availability, sensor fault diagnosis has become a key point in order to move from preventive maintenance to condition-based maintenance. Most research works are limited to sensor fault detec
Externí odkaz:
https://doaj.org/article/f05a7820741b4616a2e902f62c8b9786
Publikováno v:
Applied Sciences, Vol 8, Iss 12, p 2475 (2018)
During the last decade, due to the increasing importance of reliability and availability, railway industry is making greater use of fault diagnosis approaches for early fault detection, as well as Condition-based maintenance frameworks. Due to the in
Externí odkaz:
https://doaj.org/article/9d00b8b69d3e4651ae411f406b74dbc8
Publikováno v:
Sensors, Vol 18, Iss 7, p 1998 (2018)
Due to the importance of sensors in control strategy and safety, early detection of faults in sensors has become a key point to improve the availability of railway traction drives. The presented sensor fault reconstruction is based on sliding mode ob
Externí odkaz:
https://doaj.org/article/03ec2a90800343e38cd9bbbf374c4985