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Digital Eddy Current Probe for Tube Nondestructive Testing Using Binary Excitation


Špikić, Dorijan; Tutić, Robert; Vasić, Darko; Ambruš, Davorin; Bilas, Vedran
Digital Eddy Current Probe for Tube Nondestructive Testing Using Binary Excitation // 2019 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2019) Proceedings / Gupta, Gourab Sen ; Demidenko, Serge (ur.).
Piscataway, USA: IEEE, 2019. str. 1690-1694 (poster, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


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Naslov
Digital Eddy Current Probe for Tube Nondestructive Testing Using Binary Excitation

Autori
Špikić, Dorijan ; Tutić, Robert ; Vasić, Darko ; Ambruš, Davorin ; Bilas, Vedran

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
2019 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2019) Proceedings / Gupta, Gourab Sen ; Demidenko, Serge - Piscataway, USA : IEEE, 2019, 1690-1694

ISBN
978-1-5386-3460-8

Skup
2019 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2019)

Mjesto i datum
Auckland, Novi Zeland, 20-23.05.2019

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
eddy currents ; nondestructive testing ; coils ; tube ; binary excitation spectroscopy ; crest factor minimization

Sažetak
Eddy current probes are ubiquitous in nondestructive testing (NDT) of safety critical tubing such as heat exchanger tubes in power plants. The eddy current excitation is usually multiple sinusoidal harmonics. Because of limited space inside the tube, the probe consists only of transmitter and receiver coils. A remote eddy-current instrument with the task of exciting the probe and acquiring its signals is connected to the probe, sometimes via cables tens of meters long. Deployment of the probe circuitry next to the coils inside the tube would improve signal integrity, enable sensing of the environment inside the tube, and reconfiguration of the probe settings accordingly. A necessary step towards such a digital eddy current probe is to minimize the complexity and the component count of the transmitter circuitry. In this paper, we investigate a switched mode operation of the transmitter circuitry based on an H-bridge driven by a binary signal. The binary signal, with specified main excitation frequencies and spurious free range, is constructed using a crest factor minimization algorithm. We present a compact demonstrator of a digital eddy current probe that fits completely inside the tube. We show that it performs well in difficult, but common NDT task of detecting tube defects near a tube support plate.

Izvorni jezik
Engleski

Znanstvena područja
Elektrotehnika



POVEZANOST RADA


Ustanove:
Fakultet elektrotehnike i računarstva, Zagreb

Profili:

Avatar Url Vedran Bilas (autor)

Avatar Url Davorin Ambruš (autor)

Avatar Url Dorijan Špikić (autor)

Avatar Url Darko Vasić (autor)


Citiraj ovu publikaciju:

Špikić, Dorijan; Tutić, Robert; Vasić, Darko; Ambruš, Davorin; Bilas, Vedran
Digital Eddy Current Probe for Tube Nondestructive Testing Using Binary Excitation // 2019 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2019) Proceedings / Gupta, Gourab Sen ; Demidenko, Serge (ur.).
Piscataway, USA: IEEE, 2019. str. 1690-1694 (poster, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
Špikić, D., Tutić, R., Vasić, D., Ambruš, D. & Bilas, V. (2019) Digital Eddy Current Probe for Tube Nondestructive Testing Using Binary Excitation. U: Gupta, G. & Demidenko, S. (ur.)2019 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2019) Proceedings.
@article{article, author = {\v{S}piki\'{c}, Dorijan and Tuti\'{c}, Robert and Vasi\'{c}, Darko and Ambru\v{s}, Davorin and Bilas, Vedran}, year = {2019}, pages = {1690-1694}, keywords = {eddy currents, nondestructive testing, coils, tube, binary excitation spectroscopy, crest factor minimization}, isbn = {978-1-5386-3460-8}, title = {Digital Eddy Current Probe for Tube Nondestructive Testing Using Binary Excitation}, keyword = {eddy currents, nondestructive testing, coils, tube, binary excitation spectroscopy, crest factor minimization}, publisher = {IEEE}, publisherplace = {Auckland, Novi Zeland} }
@article{article, author = {\v{S}piki\'{c}, Dorijan and Tuti\'{c}, Robert and Vasi\'{c}, Darko and Ambru\v{s}, Davorin and Bilas, Vedran}, year = {2019}, pages = {1690-1694}, keywords = {eddy currents, nondestructive testing, coils, tube, binary excitation spectroscopy, crest factor minimization}, isbn = {978-1-5386-3460-8}, title = {Digital Eddy Current Probe for Tube Nondestructive Testing Using Binary Excitation}, keyword = {eddy currents, nondestructive testing, coils, tube, binary excitation spectroscopy, crest factor minimization}, publisher = {IEEE}, publisherplace = {Auckland, Novi Zeland} }




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