An intelligent algorithm based on evolutionary strategy and clustering algorithm for Lamb wave defect location

H Chen, Z Liu, B Wu, C He - Structural Health Monitoring, 2021 - journals.sagepub.com
Imaging algorithms for visualization of defects play a significant role in Lamb wave–based
research of nondestructive testing and structural health monitoring. In classical algorithms …

Evolutionary strategy-based location algorithm for high-resolution Lamb wave defect detection with sparse array

H Chen, Z Liu, Y Gong, B Wu… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Intelligent defect location algorithms based on the times-of-flight (ToFs) of Lamb waves are
attractive for nondestructive testing (NDT) and structural health monitoring (SHM) of …

Application and challenges of signal processing techniques for Lamb waves structural integrity evaluation: Part B—Defects imaging and recognition techniques

ZH Liu, HL Chen - Structural health monitoring from sensing to …, 2018 - books.google.com
The wavefield of Lamb waves is yielded by the feature of plate-like structures. And many
defects imaging techniques and intelligent recognition algorithms have been developed for …

A novel baseline-free defect detection and localization method of welded steel plate based on reciprocity loss

T He, G Xing, Y Li, Q Li, S Zhou - Measurement Science and …, 2020 - iopscience.iop.org
In recent years, ultrasonic Lamb waves have been widely applied to the field of non-
destructive testing of plate-like structures as they have outstanding advantages, such as low …

Optimal mother wavelet selection for Lamb wave analyses

F Li, G Meng, K Kageyama, Z Su… - Journal of intelligent …, 2009 - journals.sagepub.com
Structural health monitoring (SHM) system, usually consisting of a sensor network for
collecting the structural response signal and data analysis algorithms for interpreting the …

Sign coherence factor-based search algorithm for defect localization with laser generated Lamb waves

H Chen, K Xu, Z Liu, D Ta - Mechanical Systems and Signal Processing, 2022 - Elsevier
Techniques based on laser generated Lamb waves (LGLW) and compact array can realize
far field, noncontact localization of defects in plate structures. Fully utilizing the information of …

Dispersion curve analysis method for Lamb wave mode separation

Y Hu, Y Zhu, X Tu, J Lu, F Li - Structural Health Monitoring, 2020 - journals.sagepub.com
The Lamb wave inspection has emerged as a promising method for structural health
monitoring and nondestructive testing. However, because of the highly dispersive and …

An approach based on expectation-maximization algorithm for parameter estimation of Lamb wave signals

H Jia, Z Zhang, H Liu, F Dai, Y Liu, J Leng - Mechanical systems and signal …, 2019 - Elsevier
In the structural health monitoring or nondestructive examination system based on the Lamb
wave technology, the accurate and valid characteristics of wave packet extracted from the …

Intelligent defect location of a U-shaped boom using helical guided waves

Z Lu, Z Liu, W Jiang, B Wu… - Structural Health …, 2023 - journals.sagepub.com
Truck cranes are indispensable heavy-duty loading and unloading equipment in industrial
production. A boom is the key load-bearing component of a truck crane, and its health has a …

[HTML][HTML] A modified damage index probability imaging algorithm based on delay-and-sum imaging for synthesizing time-reversed Lamb waves

Q Xia, Y Liu, Y Lu, S Cao, H Zhang, S Ma - Journal of Vibroengineering, 2019 - extrica.com
Imaging for damage in plate structure by Lamb waves is one of the most effective methods in
the field of structural health monitoring. In order to improve the accuracy of damage …