Searched for: subject:"Degradation"
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document
Nunez Vicencio, A.A. (author), Jamshidi, A. (author), Wang, H. (author)
This paper presents a Pareto-based maintenance decision system for rail welds in a regional railway network. Weld health condition data are collected using a train in operation. A Hilbert spectrum-based approach is used for data processing to detect and assess the weld quality based on multiple registered dynamic responses in the axle box...
journal article 2018
document
Jacobs, B. (author), van Driel, W.D. (author), Schuld, M. (author)
Commercial claims for LED-based products in terms of lumen maintenance are fully based on TM-21 extrapolations using LM-80 data. We presented an approach based on statistical data analytics, following the work from Yu & Tseng, at EuroSimE2015. Since then, more LM80 test data came available both for High Power (HP) and Mid Power (MP) LEDs....
conference paper 2018