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Title
FPGA-Based Degradation and Reliability Monitor for Underground Cables
Author
Garro Arrazola, Unai
Muxika Olasagasti, Eñaut
Aizpurua Unanue, José Ignacio
Mendikute Errasti, Mikel
Published Date
2019
Publisher
MDPI AG
Keywords
Reliability estimation
Cable insulation
Field Programmable Gate Arrays (FPGA)
Monitoring
Abstract
The online Remaining Useful Life (RUL) estimation of underground cables and their reliability analysis requires obtaining the cable failure time probability distribution. Monte Carlo (MC) simulations ... [+]
The online Remaining Useful Life (RUL) estimation of underground cables and their reliability analysis requires obtaining the cable failure time probability distribution. Monte Carlo (MC) simulations of complex thermal heating and electro-thermal degradation models can be employed for this analysis, but uncertainties need to be considered in the simulations, to produce accurate RUL expectation values and confidence margins for the results. The process requires performing large simulation sets, based on past temperature or load measurements and future load predictions. Field Programmable Gate Arrays (FPGAs) permit accelerating simulations for live analysis, but the thermal models involved are complex to be directly implemented in hardware logic. A new standalone FPGA architecture has been proposed for the fast and on-site degradation and reliability analysis of underground cables, based on MC simulation, and the effect of load uncertainties on the predicted cable End Of Life (EOL) has been analyzed from the results. [-]
URI
http://hdl.handle.net/20.500.11984/1219
Publisher’s version
https://doi.org/10.3390/s19091995
ISSN
1424-8220
Published at
Sensors  Vol. 19. Nº 9. 28 April, 2019
Document type
Article
Version
Published
Rights
© 2019 by the authors
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Open Access
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  • Articles - Engineering [191]
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