Lamb waves-based technologies for structural health monitoring of composite structures for aircraft applications

M Philibert, K Yao, M Gresil, C Soutis - European Journal of …, 2022 - Taylor & Francis
The most common researched area of damage in a composite material such as carbon fibre
reinforced plastics (CFRP) used currently in aircraft construction is barely visible impact …

Enabling distributed intelligence with ferroelectric multifunctionalities

K Yao, S Chen, SC Lai, YM Yousry - Advanced Science, 2022 - Wiley Online Library
Distributed intelligence involving a large number of smart sensors and edge computing are
highly demanded under the backdrop of increasing cyber‐physical interactive applications …

A brief review of structural health monitoring based on flexible sensing technology for hydrogen storage tank

G Chi, S Xu, D Yu, Z Wang, Z He, K Wang… - International Journal of …, 2024 - Elsevier
Hydrogen has become a popular alternative energy to traditional fossil fuels due to its
potential to contribute to a more sustainable future. It is recognized that the safety, efficiency …

Active ultrasonic structural health monitoring enabled by piezoelectric direct-write transducers and edge computing process

VK Wong, SM Rabeek, SC Lai, M Philibert, DBK Lim… - Sensors, 2022 - mdpi.com
While the active ultrasonic method is an attractive structural health monitoring (SHM)
technology, many practical issues such as weight of transducers and cables, energy …

Direct-write piezoelectric coating transducers in combination with discrete ceramic transducer and laser pulse excitation for ultrasonic impact damage detection on …

M Philibert, S Chen, VK Wong… - Structural Health …, 2022 - journals.sagepub.com
In this work, direct-write piezoelectric transducers (DWTs) were made by spraying
piezoelectric poly (vinylidene fluoride-co-trifluoroethylene) coating with comb-shaped …

The blossoming of Ultrasonic Meta-Transducers

L De Marchi - IEEE Transactions on Ultrasonics, Ferroelectrics …, 2024 - ieeexplore.ieee.org
Key requirements to boost the applicability of ultrasonic systems for in situ, real-time
operations are low hardware complexity and low power consumption. These features are …

Self-diagnosis of structural damage in self-powered piezoelectric composites

B Zhao, Z Cheng, Y Zhu, L Lei, Z Wei, C Ji, T Yu… - … Science and Technology, 2024 - Elsevier
At present, nondestructive testing and non-self-powered structure health monitoring
methods are usually used to judge the damage of fiber reinforced composites. However …

Optimize and Operate an Interdigital Transducer for a Better SNR

J Li, H Dong, X Tian, W Shi, S Wang, B Zhao… - International Journal of …, 2024 - Elsevier
This study presents a novel optimization method for Lamb wave mode selective transducers,
surpassing traditional interdigital transducers (TIDT) by employing non-uniform electrode …

[HTML][HTML] Multifunctional composite material based on piezoelectric nanofibers and Cu-CFRP electrodes for sensing applications

F Mongioì, G Selleri, TM Brugo, E Maccaferri… - Composite …, 2024 - Elsevier
To monitor possible failures of a composite, several Structural Health Monitoring (SHM)
systems have been developed. However, these methods typically involve embedding …

Strategy for performance improvement in piezoelectric semi-active structural system identification by excluding switching failures using pseudo-state feedback

Y Hara, T Tang, K Otsuka, K Makihara - Mechanical Systems and Signal …, 2023 - Elsevier
Abstract System identification in vibrating structures is useful for structural health monitoring.
Onsite structural system identification must be achieved with low energy consumption …