Adaptive TQWT filter based feature extraction method and its application to detection of repetitive transients
Sign Up to like & getrecommendations! Published in 2018 at "Science China Technological Sciences"
DOI: 10.1007/s11431-017-9246-x
Abstract: The local defect in rotating machine always gives rise to repetitive transients in the collected vibration signal. However, the transient signature is prone to be contaminated by strong background noises, thus it is a challenging… read more here.
Keywords: repetitive transients; feature; adaptive tqwt; tqwt ... See more keywords
Fault detection and diagnosis of a wheelset-bearing system using a multi-Q-factor and multi-level tunable Q-factor wavelet transform
Sign Up to like & getrecommendations! Published in 2019 at "Measurement"
DOI: 10.1016/j.measurement.2019.05.006
Abstract: Abstract The wheelset-bearing system is one of the most critical subsystems in a high-speed train. Detecting faults is significant for ensuring the operational safety of a high-speed train. The key to detect a wheelset-bearing system… read more here.
Keywords: tqwt; wheelset bearing; bearing system; factor ... See more keywords