Zobrazeno 1 - 10
of 591
pro vyhledávání: '"Early fault"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract In rotating machinery, the condition of rolling bearings is paramount, directly influencing operational integrity. However, the literature on the fault evolution of rolling bearings in their nascent stages is notably limited. Addressing this
Externí odkaz:
https://doaj.org/article/fde43bc3a28047528c7b90d343768f70
Autor:
Mehmet Ozcan, Cahit Perkgoz
Publikováno v:
Aviation, Vol 28, Iss 3 (2024)
The early detection of faults in advanced technological systems is imperative for ensuring operational reliability and safety. While there is a growing interest in using artificial intelligence for fault detection, current methodologies often exhibit
Externí odkaz:
https://doaj.org/article/a052dc1585b14d5fab3a4c7b80905a7f
Publikováno v:
IEEE Access, Vol 12, Pp 109109-109127 (2024)
Early fault warning for large-scale high-speed rotating machinery can effectively reduce unplanned downtime and avoid major safety accidents. Aiming at the problems of difficult screening of multi-source common sensitive features, the challenging tra
Externí odkaz:
https://doaj.org/article/bb13724c918a4f58894d3b9ac9e54e33
Publikováno v:
Jixie chuandong, Vol 47, Pp 162-168 (2023)
Aiming at the problem that the initial fault signal of rolling bearings is weak and the fault characteristic is difficult to extract, this study proposes a rolling bearing fault diagnosis method based on variational modal decomposition (VMD) for adap
Externí odkaz:
https://doaj.org/article/97fd8b2fb42341b896e84457b5877785
Publikováno v:
Sensors, Vol 24, Iss 14, p 4736 (2024)
An optimal spatio-temporal hybrid model (STHM) based on wavelet transform (WT) is proposed to improve the sensitivity and accuracy of detecting slowly evolving faults that occur in the early stage and easily submerge with noise in complex industrial
Externí odkaz:
https://doaj.org/article/327912d02a9d4f74b2e5f8a552bfef27
Publikováno v:
Machines, Vol 12, Iss 6, p 362 (2024)
As one of the most important components in rotating machinery, if bearings fail, serious disasters may occur. Therefore, the remaining useful life (RUL) prediction of bearings is of great significance. Health indicator (HI) construction and early fau
Externí odkaz:
https://doaj.org/article/6094f349afcd41979b7d9d7f59d962c4
Autor:
Goran Šiniković, Nenad Gubeljak, Emil Veg, Mladen Regodić, Darko Jagarinec, Ivana Medojević, Zorana Jeli
Publikováno v:
Tehnički Vjesnik, Vol 30, Iss 3, Pp 830-836 (2023)
Acoustic signals have been used widely to detect the integrity of metal parts and the soundness of their contact. Diverse methods are developed to evaluate the actual quality of metal-to-metal contact having a lubricating layer. These methods are sen
Externí odkaz:
https://doaj.org/article/db83c9dd4e0c4b75b305f703de04a673
Publikováno v:
Agriculture, Vol 14, Iss 1, p 112 (2024)
In the context of addressing the challenge posed by limited fault samples in agricultural machinery rolling bearings, especially when early fault characteristics are subtle, this study introduces a novel approach. The proposed multi-domain fault diag
Externí odkaz:
https://doaj.org/article/cd9ab8d7baef4bc88a9e92561eab2460
Autor:
Seunghwan Jung, Minseok Kim, Eunkyeong Kim, Baekcheon Kim, Jinyong Kim, Kyeong-Hee Cho, Hyang-A Park, Sungshin Kim
Publikováno v:
Energies, Vol 17, Iss 2, p 535 (2024)
In recent years, battery fires have become more common owing to the increased use of lithium-ion batteries. Therefore, monitoring technology is required to detect battery anomalies because battery fires cause significant damage to systems. We used Ma
Externí odkaz:
https://doaj.org/article/ec295deba5f7464ab81aeae5e7e88b58
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