Electromechanical Impedance Sensing Under Humid Conditions: Experimental Insights and Compensation Using Machine Learning [PDF]
SensorsThis work investigates the effect of ambient humidity on the Electromechanical Impedance (EMI) signatures of steel-reinforced concrete (RC) for structural health monitoring (SHM). The influence of varying relative humidity (%RH) is quantified using three
Mads Kofod Dahl +4 more
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Structural Health Monitoring Using High-Frequency Electromechanical Impedance Signatures [PDF]
Advances in Civil Engineering, 2010 An overview of recent advances in electromechanical impedance- (EMI-) based structural health monitoring is presented in this paper. The basic principle of the EMI method is to use high-frequency excitation to sense the local area of a structure. Changes
Wei Yan, W. Q. Chen
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Convolutional Neural Network for Specimen-Invariant Structural Health Monitoring of FRC Under Flexural Loading [PDF]
SensorsReinforced Concrete (RC) structures experience progressive degradation over their service life due to mechanical loading and environmental exposure, leading to reduced bearing capacity and compromised structural safety. Incorporating discrete fibers into
George M. Sapidis +6 more
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Smart Materials and Structures, 2014 This paper investigates the effects of the adhesive layer on the admittance of bonded piezoelectric wafer active sensors (PWASs) through mode identification, parametric studies, and experimental verification. Based on the time-frequency analysis of the broadband ultrasound pitch-catch signal, we discovered that the resonances of the PWAS actuator ...
Mazharul Islam, Hai-Ying Huang
semanticscholar +2 more sources
Structural Damage Detection Using PZT Transmission Line Circuit Model [PDF]
SensorsArrangements of piezoelectric transducers, such as PZT (lead zirconate titanate), have been widely used in numerous structural health monitoring (SHM) applications.
Jozue Vieira Filho +4 more
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Integrating the Capsule-like Smart Aggregate-Based EMI Technique with Deep Learning for Stress Assessment in Concrete [PDF]
SensorsThis study presents a concrete stress monitoring method utilizing 1D CNN deep learning of raw electromechanical impedance (EMI) signals measured with a capsule-like smart aggregate (CSA) sensor.
Quoc-Bao Ta +3 more
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Smart Materials and StructuresWith the continuous development of modern civil engineering, piezoelectric cement-based transducers based on electromechanical impedance technique have demonstrated significant potential in structural health monitoring.
Yu-Fan Wang +6 more
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Smart monitoring of composite concrete damage using EMI technique with temperature effects compensation and ANN integration [PDF]
Scientific ReportsThe composite materials are widely used across industries however, these materials are prone to damages like cracking and delamination due to its complexity.
Maheshwari Sonker, Rama Shanker
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InfrastructuresEstablishing dependable and resilient methodologies for identifying damage that may compromise the integrity of reinforced concrete (RC) infrastructures is imperative for preventing potential catastrophic failures.
George M. Sapidis +2 more
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A Deep Learning Approach for Autonomous Compression Damage Identification in Fiber-Reinforced Concrete Using Piezoelectric Lead Zirconate Titanate Transducers [PDF]
SensorsEffective damage identification is paramount to evaluating safety conditions and preventing catastrophic failures of concrete structures. Although various methods have been introduced in the literature, developing robust and reliable structural health ...
George M. Sapidis +4 more
doaj +2 more sources