Machine condition monitoring in FDM based on electret microphone, SVM, and neural networks

TG Lopes, PR Aguiar, PMC Monson… - … International Journal of …, 2023 - Springer
The fused deposition modeling (FDM) process, also known as 3D printing, deals with the
manufacture of parts by adding layers of fused filament. Research on manufacturing process …

Crack detection of FRP-reinforced concrete beam using embedded piezoceramic smart aggregates

T Jiang, Y Hong, J Zheng, L Wang, H Gu - Sensors, 2019 - mdpi.com
In this paper, the authors present a stress wave-based active sensing method to detect the
crack in FRP-reinforced concrete beams. The embedded smart aggregates (SAs), which …

Depth of dressing optimization in CBN wheels of different friabilities using acoustic emission (AE) technique

FA Alexandre, JC Lopes… - … International Journal of …, 2020 - Springer
Grinding is a manufacturing process that has the objective of granting the workpiece a high-
quality surface and is located at the end of the sequence of machining processes. During …

Dressing tool condition monitoring through impedance-based sensors: Part 2—Neural networks and k-nearest neighbor classifier approach

P Junior, DM D'Addona, P Aguiar, R Teti - Sensors, 2018 - mdpi.com
This paper presents an approach for impedance-based sensor monitoring of dressing tool
condition in grinding by using the electromechanical impedance (EMI) technique. This …

Low-cost piezoelectric transducer for ceramic grinding monitoring

MAA Viera, PR De Aguiar, PO Junior… - IEEE Sensors …, 2019 - ieeexplore.ieee.org
This paper presents a performance assessment of the low-cost thin-disk piezoelectric
diaphragm (PZT) for the surface integrity monitoring in the grinding operation. PZT …

Feature extraction using frequency spectrum and time domain analysis of vibration signals to monitoring advanced ceramic in grinding process

POC Junior, PR Aguiar, CR Foschini… - IET Science …, 2019 - Wiley Online Library
New alternatives for monitoring the ceramic grinding process have been studied. Monitoring
vibration signals is one of the most successful methods because some characteristics that …

Time-domain analysis based on the electromechanical impedance method for monitoring of the dressing operation

PO da Conceição Junior, FI Ferreira, PR de Aguiar… - Procedia CIRP, 2018 - Elsevier
Among the methods used in structural health monitoring (SHM), the electromechanical
impedance technique (EMI), which uses piezoelectric transducers of lead zirconate titanate …

[HTML][HTML] A contribution to the monitoring of ceramic surface quality using a low-cost piezoelectric transducer in the grinding operation

MA Viera, F Alexandre, W Lopes, P Aguiar, RB Silva… - Proceedings, 2018 - mdpi.com
The grinding process is usually one of the last stages in the manufacturing process chain
since it can provide superior surface finish and closer dimensional tolerances. However, due …

Evaluating liquid influence on low-cost piezoelectric transducer response for elastic emission machining monitoring

TG Lopes, LD Freire, PA da Cunha, PR Aguiar… - Engineering …, 2022 - mdpi.com
Elastic emission machining (EEM) is a finishing process for the surface of parts. In the EEM
of ceramic parts, the part is submerged into a liquid interface that contains abrasive particles …

[PDF][PDF] DANILO MARCUS SANTOS RIBEIRO

NARP DE AÇO - repositorio.unesp.br
Researchers have evaluated a great number of monitoring techniques in order to control the
surface condition of ground parts. Piezoelectric diaphragm of lead zirconate titanate (PZT) …