Wind Turbine Blade Deflection Sensing System Based on UWB Technology

被引：0
|
作者：
Franek, O. [1 ]
Zhang, S. [1 ]
Jensen, T. L. [2 ]
Eggers, P. C. F. [1 ]
Olesen, K. [1 ]
Byskov, C. [3 ]
Pedersen, G. F. [1 ]
机构：
[1] Aalborg Univ, Fac Sci & Engn, Dept Elect Syst, APNet Sect, Niels Jernes Vej 12, DK-9220 Aalborg O, Denmark
[2] Aalborg Univ, Fac Sci & Engn, Dept Elect Syst, SIP Sect, Fredrik Bajers Vej 7, DK-9220 Aalborg O, Denmark
[3] LM Wind Power, Jupitervej 6, DK-6000 Kolding, Denmark
来源：
PROCEEDINGS OF THE 2016 IEEE-APS TOPICAL CONFERENCE ON ANTENNAS AND PROPAGATION IN WIRELESS COMMUNICATIONS (APWC) | 2016年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A microwave sensing system for estimating deflection of a wind turbine blade is presented. The system measures distances at two ultrawideband (LAVB) wireless links between one antenna at the tip and two antennas at the root of the blade, which allows for determination of the tip position by triangulation. An experimental setup with corner reflector antenna mounted at the tip and horn antennas at the root of a 37.3 m long blade is described. Analyzing the data from the experiment, special attention is given to the propagation aspects of the ILAVB links, with focus on the multipath effects caused by the blade. It is demonstrated that despite the adverse effects of the multipath propagation the ranging accuracy of the system amounts to 1.5 cm, leading to maximum error of deflection 4.5 %.
引用
收藏
页码：260 / 263
页数：4
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