Search Results - "Guimaraes Baptista, Fabricio"

A Comparative Study of Impedance Measurement Techniques for Structural Health Monitoring Applications by Budoya, Danilo Ecidir, Baptista, Fabricio Guimaraes

“…Structural health monitoring (SHM) systems are scientifically and economically relevant as methods of detecting structural damage to various types of…”
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Improving Impedance Measurement for Structural Health Monitoring by Setting the Appropriate Number of Excitation Signal Cycles by da Silva, Cláudio José Ribeiro, Budoya, Danilo Ecidir, Baptista, Fabricio Guimarães

“…Researchers have widely used commercial and alternative measurement systems in impedance-based structural health monitoring (SHM), where a piezoelectric…”
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Baseline-Free Damage Imaging Algorithm Using Spatial Frequency Domain Virtual Time Reversal by de Castro, Bruno Albuquerque, Baptista, Fabricio Guimaraes, Alfredo Ardila-Rey, Jorge, Ciampa, Francesco

“…Structural health monitoring (SHM) techniques are widely used in industry applications to guarantee the integrity of several types of components. Ultrasonic…”
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Assessment of Macro Fiber Composite Sensors for Measurement of Acoustic Partial Discharge Signals in Power Transformers by Albuquerque de Castro, Bruno, de Melo Brunini, Danilo, Guimaraes Baptista, Fabricio, Andreoli, Andre Luiz, Covolan Ulson, Jose Alfredo

“…This paper presents a performance assessment of macro fiber composite (MFC) sensors for measuring acoustic emission (AE) signals from partial discharges (PD)…”
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Spectra Measurements Using Piezoelectric Diaphragms to Detect Burn in Grinding Process by Ribeiro, Danilo M. S., Aguiar, Paulo R., Fabiano, Luiz F. G., D'Addona, Doriana M., Guimaraes Baptista, Fabricio, Bianchi, Eduardo C.

“…Researchers have evaluated a great number of monitoring techniques in order to control the surface condition of ground parts. Piezoelectric diaphragms of lead…”
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Impact Localization in Composites Using Time Reversal, Embedded PZT Transducers, and Topological Algorithms by Coles, Adam, de Castro, Bruno Albuquerque, Andreades, Christos, Baptista, Fabricio Guimarães, Meo, Michele, Ciampa, Francesco

“…Time reversal is a powerful imaging processing technique that focuses waves at their original source using a single receiver transducer when diffusive wave…”
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Transducer loading effect on the performance of PZT-based SHM systems by Baptista, Fabricio Guimaraes, Filho, Jozue Vieira

“…In the last years, the piezoelectric transducers of lead zirconate titanate (PZT) have been widely used in structural health monitoring (SHM) systems based on…”
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Sensitivity Enhancement of Piezoelectric Transducers for Impedance-Based Damage Detection via a Negative Capacitance Interface by Budoya, Danilo Ecidir, Campeiro, Leandro Melo, Baptista, Fabricio Guimaraes

“…Piezoelectric transducers are used in many applications due to electromechanical coupling, which allows mechanical and electrical quantities to be related…”
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Experimental analysis of the feasibility of low-cost piezoelectric diaphragms in impedance-based SHM applications by Silva de Freitas, Everaldo, Guimarães Baptista, Fabricio

“…•Commercial piezoelectric diaphragms were analyzed for impedance-based SHM applications.•Piezoelectric diaphragms are inexpensive, readily available sound…”
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Piezoelectric Transducers Assessed by the Pencil Lead Break for Impedance-Based Structural Health Monitoring by Dare de Almeida, Vinicius Augusto, Guimaraes Baptista, Fabricio, de Aguiar, Paulo Roberto

“…The pencil lead break (PLB) is a well-known method for characterizing acoustic emission sensors. In this paper, we analyze the effectiveness of this method in…”
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Monitoring of Cylindrical Plunge Grinding Process by Electromechanical Impedance by Ferreira, Fabio Isaac, De Aguiar, Paulo Roberto, Da Silva, Rosemar Batista, Jackson, Mark James, Baptista, Fabricio Guimaraes, Bianchi, Eduardo Carlos

“…One of the most promising monitoring techniques is based on electromechanical impedance (EMI) transducers, which are low-cost components and allow easy…”
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Time-domain analysis of piezoelectric impedance-based structural health monitoring using multilevel wavelet decomposition by Vieira Filho, Jozue, Baptista, Fabricio Guimarães, Inman, Daniel J.

“…A new approach to analyze the response from a piezoelectric wafer in an impedance-based structural health monitoring (SHM) method is proposed. It is shown that…”
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Comparative analysis of signal processing techniques for impedance-based SHM applications in noisy environments by de Castro, Bruno Albuquerque, Baptista, Fabricio Guimarães, Ciampa, Francesco

“…•Damage detection in noisy environments is a challenge in real SHM applications.•Suitable signal processing techniques are crucial to detect damage under noise…”
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Influence of Excitation Signal on Impedance-based Structural Health Monitoring by Baptista, Fabricio Guimarães, Filho, Jozué Vieira, Inman, Daniel J.

“…The electromechanical impedance (EMI) technique has been successfully used in structural health monitoring (SHM) systems on a wide variety of structures. The…”
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Lamb wave inspection using piezoelectric diaphragms: An initial feasibility study by Campeiro, Leandro Melo, Budoya, Danilo Ecidir, Baptista, Fabricio Guimarães

“…[Display omitted] •Piezoelectric diaphragms are formally evaluated for Lamb wave inspections.•These devices are mass-produced in standard sizes and are readily…”
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Damage detection in noisy environments based on EMI and Lamb waves: A comparative study by Campeiro, Leandro Melo, Budoya, Danilo Ecidir, Baptista, Fabricio Guimarães

“…Structural health monitoring (SHM) systems have shown the potential to detect damage in various types of structures, thus increasing safety and reducing…”
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New signal processing approach for structural health monitoring in noisy environments based on impedance measurements by de Castro, Bruno Albuquerque, Baptista, Fabricio Guimarães, Ciampa, Francesco

“…•Environmental noise can make impedance-based structural health monitoring unfeasible.•A new feature extraction method based on the cross-correlation function…”
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New imaging algorithm for material damage localisation based on impedance measurements under noise influence by de Castro, Bruno Albuquerque, Baptista, Fabricio Guimarães, Ciampa, Francesco

“…•Noise harms the effectiveness of imaging algorithms for damage localisation.•Traditional impedance-based algorithms are not effective under noisy…”
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Performance of three transducer mounting methods in impedance-based structural health monitoring applications by da Silveira, Ricardo Zanni Mendes, Campeiro, Leandro Melo, Baptista, Fabricio Guimarães

“…Piezoelectric transducers are widely used in many nondestructive methods for damage detection in structural health monitoring applications. Among the various…”
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A New Impedance Measurement System for PZT-Based Structural Health Monitoring by Baptista, F.G., Filho, J.V.

“…Recent research has shown that electromechanical (E/M) impedance-based techniques are an efficient strategy for damage sensing in the context of structural…”
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