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Autor:
André P. Galera, Daniel Rossato, Felipe Derewlany Gutierrez, Gustavo P. Pires, Thiago Alberto Rigo Passarin, Giovanni A. Guarneri, Daniel Rodrigues Pipa
Publikováno v:
Research and Review Journal of Nondestructive Testing, Vol 1, Iss 1 (2023)
Ultrasound NDT is a standard industrial technique for health monitoring and flaw identification in several structures, such as subsea oil pipelines. Its primary purpose is to form a representative image of the internal structure of the inspected obj
Externí odkaz:
https://doaj.org/article/11b3718a049049a8b4db9a5f6eea46a2
Autor:
Felipe Derewlany Gutierrez, Daniel Rossato, Gustavo P. Pires, Thiago Alberto Rigo Passarin, Giovanni A. Guarneri, Daniel Rodrigues Pipa
Publikováno v:
Research and Review Journal of Nondestructive Testing, Vol 1, Iss 1 (2023)
Full Waveform Inversion (FWI) is a state-of-the-art method of image reconstruction with promising results for seismology and NDT. FWI estimates the velocity of wave propagation along the inspected object by iteratively comparing acquired data with
Externí odkaz:
https://doaj.org/article/1fcbbb8b42d14e16b1ad76d4a9f1fec3
Autor:
Thiago E. Kalid, Everton Trento Jr., Tatiana de Almeida Prado, Gustavo P. Pires, Giovanni A. Guarneri, Thiago Alberto Rigo Passarin, Daniel Rodrigues Pipa
Publikováno v:
Research and Review Journal of Nondestructive Testing, Vol 1, Iss 1 (2023)
Odometer information is an important feature of NDT systems for inspection procedures that involve mechanical scanning. Knowledge of transducer position during the inspection allows for the localization of flaws and the fusion (stitching) of several
Externí odkaz:
https://doaj.org/article/381d5937aa364461a7866a2f5ee66d12
Autor:
Mateus Yamada Müller, Tatiana de Almeida Prado, Thiago Estrela Kalid, Thiago Alberto Rigo Passarin, Daniel Rodrigues Pipa
Publikováno v:
Research and Review Journal of Nondestructive Testing, Vol 1, Iss 1 (2023)
Ultrasonic nondestructive testing is a precise tool for equipment inspections. Among the usual methods, sectorial scanning stands out within contact-based techniques, as it provides broad angular sweeps without the need to physically steer the tran
Externí odkaz:
https://doaj.org/article/3a56f600d2344363807f55564e1375c1
Autor:
Everton Trento Jr., Gustavo P. Pires, Giovanni A. Guarneri, Thiago Alberto Rigo Passarin, Daniel Rodrigues Pipa
Publikováno v:
Research and Review Journal of Nondestructive Testing, Vol 1, Iss 1 (2023)
Stereoscopic cameras, also known as depth cameras, are increasingly present in robotics navigation and 3D scene reconstruction. Normally, off-the-shelf depth cameras are not suited for underwater environments and exhibit considerable distortions in
Externí odkaz:
https://doaj.org/article/6965a76405ef47f0b92a1ed7f9a333a7
Autor:
Daniel Rossato, Felipe Derewlany Gutierrez, Giovanni A. Guarneri, Thiago Alberto Rigo Passarin, Gustavo P. Pires, Daniel Rodrigues Pipa
Publikováno v:
Research and Review Journal of Nondestructive Testing, Vol 1, Iss 1 (2023)
Ultrasonic (UT) imaging is a widespread technique for nondestructive testing (NDT). The state-of-the-art UT image reconstruction algorithms are based on delay-and-sum (DAS) operations, which assume constant acoustic velocity across the tested objec
Externí odkaz:
https://doaj.org/article/d45f16f738fb41c08628249db2ce9cd6
Autor:
Juliano Scholz Slongo, Jefferson Gund, Thiago Alberto Rigo Passarin, Daniel Rodrigues Pipa, Júlio Endress Ramos, Lucia Valeria Arruda, Flávio Neves Junior
Publikováno v:
Sensors, Vol 22, Iss 7, p 2799 (2022)
Ultrasonic inspection techniques and non-destructive tests are widely applied in evaluating products and equipment in the oil, petrochemical, steel, naval, and energy industries. These methods are well established and efficient for inspection procedu
Externí odkaz:
https://doaj.org/article/a5238555a4654281b52dde5ae2e5b95c
Publikováno v:
IEEE Robotics and Automation Letters. 6:8173-8180
We present the shape-memory alloy (SMA) robotic traveling insect (SMARTI), a 60-mg crawling microrobot that is driven by two 6-mg high-frequency SMA bending actuators and whose two-module configuration enables controlled differential steering and pat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ccbd30dd1dcebe55acf4e65c704a26b
https://doi.org/10.1109/lra.2021.3070246
https://doi.org/10.1109/lra.2021.3070246
Publikováno v:
IEEE Robotics and Automation Letters. 5:6796-6803
We present the design, fabrication and experimental testing of SMALLBug, a 30-mg crawling microrobot that is 13 mm in length and can locomote at actuation frequencies of up to 20 Hz. The robot is driven by an electrically-powered 6-mg bending actuato
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73738b043f4b0a4c5e020e5fd8aca9d7
https://doi.org/10.1109/lra.2020.3015457
https://doi.org/10.1109/lra.2020.3015457