Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Kumar Anubhav Tiwari"'
Autor:
Renaldas Raišutis, Kumar Anubhav Tiwari, Egidijus Žukauskas, Olgirdas Tumšys, Lina Draudvilienė
Publikováno v:
Sensors, Vol 21, Iss 14, p 4879 (2021)
The reliability of the wind turbine blade (WTB) evaluation using a new criterion is presented in the work. Variation of the ultrasonic guided waves (UGW) phase velocity is proposed to be used as a new criterion for defect detection. Based on an inter
Externí odkaz:
https://doaj.org/article/fbd61e7c75864e608e14629dc00cb324
Publikováno v:
Diagnostics, Vol 10, Iss 9, p 632 (2020)
Dermatoscopy, high-frequency ultrasonography (HFUS) and spectrophotometry are promising quantitative imaging techniques for the investigation and diagnostics of cutaneous melanocytic tumors. In this paper, we propose the hybrid technique and automati
Externí odkaz:
https://doaj.org/article/6d90c0322ead463f9a1a4d4a4b410b66
Publikováno v:
Sensors, Vol 20, Iss 8, p 2280 (2020)
Analytical modelling is an efficient approach to estimate the directivity of a transducer generating guided waves in the research field of ultrasonic non-destructive testing of the large and complex structures due to its short processing time as comp
Externí odkaz:
https://doaj.org/article/ecd006f301a141d4a12834aad56a2cf9
Publikováno v:
Materials, Vol 11, Iss 7, p 1173 (2018)
In this paper, the disbond-type defect presented on glass fiber reinforced plastic material is analyzed by refining the guided Lamb wave signals. A segment of wind turbine blade is considered as a test sample. The low-frequency ultrasonic measurement
Externí odkaz:
https://doaj.org/article/e88a3a33d5bb46d584effb702022c26f
Publikováno v:
Sensors, Vol 18, Iss 4, p 987 (2018)
In this paper, a novel 2D analytical model based on the Huygens’s principle of wave propagation is proposed in order to predict the directivity patterns of contact type ultrasonic transducers in the generation of guided waves (GWs). The developed m
Externí odkaz:
https://doaj.org/article/798995a4790b400d93d2c426e6ee695d
Publikováno v:
Sensors, Vol 17, Iss 12, p 2858 (2017)
This work proposes a novel hybrid signal processing technique to extract information on disbond-type defects from a single B-scan in the process of non-destructive testing (NDT) of glass fiber reinforced plastic (GFRP) material using ultrasonic guide
Externí odkaz:
https://doaj.org/article/fa99adf0aebe412490abd88c7248e07d
Publikováno v:
Smart Computing and Self-Adaptive Systems ISBN: 9781003156123
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34aa92b8ba41dba20f24fd08fe8ec3de
https://doi.org/10.1201/9781003156123-3
https://doi.org/10.1201/9781003156123-3
Publikováno v:
Diagnostics, Vol 10, Iss 632, p 632 (2020)
Diagnostics; Volume 10; Issue 9; Pages: 632
Diagnostics, Basel : MDPI, 2020, vol. 10, iss. 9, art. no. 632, p. 1-14
Diagnostics
Diagnostics; Volume 10; Issue 9; Pages: 632
Diagnostics, Basel : MDPI, 2020, vol. 10, iss. 9, art. no. 632, p. 1-14
Diagnostics
Dermatoscopy, high-frequency ultrasonography (HFUS) and spectrophotometry are promising quantitative imaging techniques for the investigation and diagnostics of cutaneous melanocytic tumors. In this paper, we propose the hybrid technique and automati
Publikováno v:
The Journal of Strain Analysis for Engineering Design. 53:546-555
In this work, the most promising ultrasonic signal processing methods—discrete wavelet transform, variational mode decomposition and Hilbert transform—are applied for the analysis of disbond-type defects in the segment of wind turbine blade. Two
Publikováno v:
Journal of Vibroengineering, Vol 19, Iss 8, Pp 6423-6432 (2017)
The presented work demonstrates the most suitable architecture for the FPGA-based signal processing which makes available various real-time filtering algorithms, such as band pass, high pass, low pass, and band-reject for FIR filters. The processor w