F Tanvir, T Sattar, D Mba, G Edwards - SN Applied Sciences, 2020 - Springer
… in inaccurately classified damage sources. This work presents a new feature of the signal based on the measure of randomness calculated using second-order Renyi’s entropy. The …
… Information entropymeasured from acoustic emission (AE) waveforms is shown to … damage in a high-strength aluminum alloy. Three methods of measuring the AE information entropy, …
… , and acoustic emission (AE) … to entropicdamage explored as a new damage metric in this paper relies on the statistical mechanics definition of entropy, which provides relative entropy …
M Chai, Z Zhang, Q Duan - Mechanical Systems and Signal Processing, 2018 - Elsevier
… approaching critical damage and to … damage and early failure. In this investigation, a new qualitative AE parameter based on Shannon’s entropy, ie AE entropy is proposed for damage …
C Barile, C Casavola, G Pappalettera… - Structural Health …, 2022 - journals.sagepub.com
… acoustic emission data are analysed in this research work for identifying the damage modes … density of acoustic waveforms, use of waveform entropy for selecting the best wavelet and …
AK Das, CKY Leung - Cement and Concrete Composites, 2019 - Elsevier
… Power Spectral Entropy (PSE), the new damage indicator to be developed in this work, is based on the concept of information entropy, which represents the uncertainty of information [33…
N Burud, JMC Kishen - Structural Health Monitoring, 2021 - journals.sagepub.com
… entropy formulation as a wavelet entropy is utilized for discriminating spatiotemporally distributed acoustic emission … the wavelet entropy as a signal discriminator and a damage index is …
FT Santo, TP Sattar, G Edwards - Applied Sciences, 2019 - mdpi.com
… entropy is a widely used measure of disorderness. However, in this study, ‘quadratic Renyi’s entropy’ was chosen as a measure … choosing the ‘quadratic Renyi’s entropy’. Firstly, as it is …
A Kahirdeh, C Sauerbrunn, H Yun… - International Journal of …, 2017 - Elsevier
… entropy detected over the course of fatigue damage is presented. Information entropy and relative entropy is … (b) The standardized cumulative acoustic emissionentropy where the eight …