Measurements of UWB Pulse Propagation Along a Wind Turbine Blade at 1 to 20 GHz

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Resumé

This paper describes propagation measurements of an Ultra Wide Band (UWB) pulse along a full-scale wind turbine blade. The aim is to use the UWB channel characteristics to determine the deflection of the wind turbine blade under different wind loads. The frequency response is measured from 1 to 20 GHz and by use of Fast Fourier Transform (FFT) studied the delay domain. It has been found challenging to determine the deflection of the blade only by looking at the delay difference between the Line-Of-Sight (LOS) pulse and a pulse reflected from the blade. To determine from which area of the blade the reflection originates a ray-tracing study incorporating a model of the curvature of the blade have been conducted. This showed the area causing the reflections depended highly on the placement of the antenna on the wind turbine blade.
OriginalsprogEngelsk
Titel12th European Conference on Antennas and Propagation (EuCAP)
Antal sider5
ForlagInstitution of Engineering and Technology
Publikationsdato2018
ISBN (Trykt)978-1-78561-815-4
ISBN (Elektronisk)978-1-78561-816-1
DOI
StatusUdgivet - 2018
Begivenhed12th European Conference on Antennas and Propagation (EuCAP) - ExCel London ICC Capital Suite and Hall, London, Storbritannien
Varighed: 9 apr. 201813 apr. 2018
http://www.eucap2018.org/

Konference

Konference12th European Conference on Antennas and Propagation (EuCAP)
LokationExCel London ICC Capital Suite and Hall
LandStorbritannien
ByLondon
Periode09/04/201813/04/2018
Internetadresse

Fingerprint

Wind turbines
Turbomachine blades
Ray tracing
Fast Fourier transforms
Frequency response
Antennas

Citer dette

Hejselbæk, J., Syrytsin, I. A., & Eggers, P. C. F. (2018). Measurements of UWB Pulse Propagation Along a Wind Turbine Blade at 1 to 20 GHz. I 12th European Conference on Antennas and Propagation (EuCAP) Institution of Engineering and Technology. https://doi.org/10.1049/cp.2018.0588
Hejselbæk, Johannes ; Syrytsin, Igor A. ; Eggers, Patrick Claus F. / Measurements of UWB Pulse Propagation Along a Wind Turbine Blade at 1 to 20 GHz. 12th European Conference on Antennas and Propagation (EuCAP). Institution of Engineering and Technology, 2018.
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title = "Measurements of UWB Pulse Propagation Along a Wind Turbine Blade at 1 to 20 GHz",
abstract = "This paper describes propagation measurements of an Ultra Wide Band (UWB) pulse along a full-scale wind turbine blade. The aim is to use the UWB channel characteristics to determine the deflection of the wind turbine blade under different wind loads. The frequency response is measured from 1 to 20 GHz and by use of Fast Fourier Transform (FFT) studied the delay domain. It has been found challenging to determine the deflection of the blade only by looking at the delay difference between the Line-Of-Sight (LOS) pulse and a pulse reflected from the blade. To determine from which area of the blade the reflection originates a ray-tracing study incorporating a model of the curvature of the blade have been conducted. This showed the area causing the reflections depended highly on the placement of the antenna on the wind turbine blade.",
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Hejselbæk, J, Syrytsin, IA & Eggers, PCF 2018, Measurements of UWB Pulse Propagation Along a Wind Turbine Blade at 1 to 20 GHz. i 12th European Conference on Antennas and Propagation (EuCAP). Institution of Engineering and Technology, 12th European Conference on Antennas and Propagation (EuCAP), London, Storbritannien, 09/04/2018. https://doi.org/10.1049/cp.2018.0588

Measurements of UWB Pulse Propagation Along a Wind Turbine Blade at 1 to 20 GHz. / Hejselbæk, Johannes; Syrytsin, Igor A.; Eggers, Patrick Claus F.

12th European Conference on Antennas and Propagation (EuCAP). Institution of Engineering and Technology, 2018.

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

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N2 - This paper describes propagation measurements of an Ultra Wide Band (UWB) pulse along a full-scale wind turbine blade. The aim is to use the UWB channel characteristics to determine the deflection of the wind turbine blade under different wind loads. The frequency response is measured from 1 to 20 GHz and by use of Fast Fourier Transform (FFT) studied the delay domain. It has been found challenging to determine the deflection of the blade only by looking at the delay difference between the Line-Of-Sight (LOS) pulse and a pulse reflected from the blade. To determine from which area of the blade the reflection originates a ray-tracing study incorporating a model of the curvature of the blade have been conducted. This showed the area causing the reflections depended highly on the placement of the antenna on the wind turbine blade.

AB - This paper describes propagation measurements of an Ultra Wide Band (UWB) pulse along a full-scale wind turbine blade. The aim is to use the UWB channel characteristics to determine the deflection of the wind turbine blade under different wind loads. The frequency response is measured from 1 to 20 GHz and by use of Fast Fourier Transform (FFT) studied the delay domain. It has been found challenging to determine the deflection of the blade only by looking at the delay difference between the Line-Of-Sight (LOS) pulse and a pulse reflected from the blade. To determine from which area of the blade the reflection originates a ray-tracing study incorporating a model of the curvature of the blade have been conducted. This showed the area causing the reflections depended highly on the placement of the antenna on the wind turbine blade.

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BT - 12th European Conference on Antennas and Propagation (EuCAP)

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Hejselbæk J, Syrytsin IA, Eggers PCF. Measurements of UWB Pulse Propagation Along a Wind Turbine Blade at 1 to 20 GHz. I 12th European Conference on Antennas and Propagation (EuCAP). Institution of Engineering and Technology. 2018 https://doi.org/10.1049/cp.2018.0588