Damage localization on reinforced concrete slab structure using electromechanical impedance technique and probability-weighted imaging algorithm

D Ai, D Zhang, H Zhu - Construction and Building Materials, 2024 - Elsevier
Damage localization plays a key role in structural damage identification and health
monitoring. This paper proposed a new damage localization approach using …

A proof of concept study on reliability assessment of different metal foil length based piezoelectric sensor for electromechanical impedance techniques

L Parida, S Moharana, R Vicente, G Ascensão - Scientific Reports, 2024 - nature.com
Lead zirconate titanate (PZT) patches gained popularity in structural health monitoring
(SHM) for its sensing and cost effective. However, a robust installation of PZT patches is …

Development of a wireless multichannel miniature impedance measurement system and its application for bolt loosening detection

Y Liang, Z Tan, G Zhai - NDT & E International, 2024 - Elsevier
The piezoelectric impedance-based technique is always regarded as one of the most
promising structural health monitoring and nondestructive evaluation methods. In recent …

Temperature compensation for reusable piezo configuration for condition monitoring of metallic structures: EMI approach

S Baral, P Negi, S Adhikari, S Bhalla - Sensors, 2023 - mdpi.com
This paper presents a novel algorithm for compensating the changes in conductance
signatures of a piezo sensor due to the temperature variation employed in condition …

A damage localization approach for concrete structure using discrete wavelet transform of electromechanical admittance of bonded PZT transducers

D Ai, D Zhang, H Zhu - Mechanical Systems and Signal Processing, 2024 - Elsevier
Accurate damage localization in concrete structures or components holds the key to
characterizing the defects for structural damage identification and health monitoring …

Experimental and numerical investigation of the bonding conditions of piezoelectric sensors under high compressive strains on structures

P Negi, N Kaur, P Kumar - Journal of Intelligent Material …, 2024 - journals.sagepub.com
In the past two decades, thin lead zirconate titanate (PZT) sensors have been widely used in
the electro-mechanical impedance (EMI) technique for sensing applications, particularly for …

Effect of Different Weight on the Movable PZT Device on the Damage Detection Performance of Electromechanical Impedance Technique

HW Choi, WS Na - Electronics, 2024 - mdpi.com
This study presents a novel approach to conducting the electromechanical impedance (EMI)
technique for delamination detection in composite structures without the need for …

Feasibility Study of Capacitor-Based Smart Washer Sensor Systems for Highway Sign, Luminaire/Light, and Traffic Signal Structures

H Zhang, J Shen - Transportation Research Record, 2024 - journals.sagepub.com
This paper aims to provide an improvement on the current inspection methods for anchor
bolts used in highway sign, luminaire/light, and traffic signal (SLTS) support structures to …

Signal processing with MATLAB and Python for real-life structural health monitoring: A comparative implementation for post-processing

C Patel, N Garg, SK Panigrahi, V Kumar - 2022 - researchsquare.com
Signal and data processing are necessary for analyzing the experimental data. Techniques
of signal processing are well defined and handy for real-life application but applying those …

[PDF][PDF] Performance of Piezo-Bonded Systems Under High Compressive Strains: Experimental and Numerical Insights

N Kaur, P Negi, P Kumar - Available at SSRN 4154883 - papers.ssrn.com
In this study, acrylic cubes bonded with PZT patches are subjected to high compressive
strains above 2000 με to develop a better understanding of bonding conditions. Acrylic can …