Results 11 to 20 of about 5,593 (250)
Frontiers in Physics, 2021 Electromechanical impedance (Electromechanical impedance)-based methods as potential nondestructive evaluation (NDT) techniques have been widely used in the field of structural health monitoring (SHM), especially for the civil, mechanical, and aerospace ...
Yabin Liang +13 more
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Characteristics of a 2-2 Piezoelectric Composite Transducer Made by Magnetic Force Assembly
Crystals, 2022 A wider operational bandwidth, a higher electromechanical coupling factor, and lower acoustic impedance are important requirements for ultrasound transducers for use across many applications. Conventional 2-2 piezoelectric composite transducers have been
Taeyang Kim
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Structural Health Monitoring of Timber Using Electromechanical Impedance (EMI) Technique
Advances in Civil Engineering, 2020 Nowadays, the electromechanical impedance method has been widely used in the field of structural healthy monitoring, especially for the concrete and steel materials.
Fang Han +4 more
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Sensors, 2017 The input electrical impedance behaves as a capacitive when a piezoelectric transducer is excited near its resonance frequency. In order to increase the energy transmission efficiency, a series or parallel inductor should be used to compensate the ...
Shuyu Lin, Jie Xu
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Digital programming of reciprocity breaking in resonant piezoelectric metamaterials
Physical Review Research, 2023 We demonstrate a digitally controlled piezoelectric metamaterial waveguide leveraging resonant, spatiotem-porally modulated synthetic impedance circuits for programmable reciprocity breaking.
Mustafa Alshaqaq +2 more
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Electrical Impedance Spectroscopy for Electro-Mechanical Characterization of Conductive Fabrics
Sensors, 2014 When we use a conductive fabric as a pressure sensor, it is necessary to quantitatively understand its electromechanical property related with the applied pressure.
Tushar Kanti Bera +7 more
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Applied Sciences, 2023 Up to date, biomimicry has aided in designing novel ideas and solving various problems in the field of civil engineering. For example, the concept of a load carrying process from a tree can be used to design an effective bridge.
Yi-Seul Kim, Wongi S. Na
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Experimental Study on Damage Detection in Timber Specimens Based on an Electromechanical Impedance Technique and RMSD-Based Mahalanobis Distance [PDF]
Sensors, 2016 Hongping Zhu +2 more
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Study of transient synchrophasors for the development of relay protection and control systems [PDF]
E3S Web of Conferences, 2023 The paper discusses issues of improving control and relay protection systems based on the study and analysis of voltage and current synchrophasors of electromechanical and electromagnetic transient processes.
Mokeev Alexey, Piskunov Sergey
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Shock and Vibration, 2014 Impedance-based structural health monitoring technique is performed by measuring the variation of the electromechanical impedance of the structure caused by the presence of damage.
Lizeth Vargas Palomino +2 more
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