DocumentCode :
1911362
Title :
Data Fusion Methods based on Fuzzy Theory for Wind Speed Measurement using Ultrasonic Transducers
Author :
Villanueva, Juan M Mauricio ; Catunda, Sebastian Y C ; Tanscheit, Ricardo
Author_Institution :
Dept. de Eng. Eletr., Pontificia Univ. Catolica do Rio de Janeiro, Rio de Janeiro
fYear :
2008
fDate :
12-15 May 2008
Firstpage :
1140
Lastpage :
1145
Abstract :
In this work, a wind speed measurement model based on fuzzy data fusion of the time-of flight (ToF) information is presented. This information is obtained through threshold detection (TH) and phase difference (PD) techniques. Fuzzy membership functions are derived from ToF measurement values and represent measured values and their uncertainties. Two data fusion methods are presented based on the compatibility relationship between elements to be combined and using weights defined by the OWA (Order Weighted Average) operator. Uncertainty analysis the TH and PD techniques is carried out by determining the uncertainty associated to the ToF measurement. ToF data fusion values are determined considering several measured values using the TH and PD techniques.
Keywords :
fuzzy set theory; sensor fusion; ultrasonic transducers; velocity measurement; wind; OWA operator; fuzzy data fusion; fuzzy membership functions; order weighted average operator; phase difference technique; threshold detection technique; time-of flight information; ultrasonic transducers; uncertainty analysis; wind speed measurement; Attenuation measurement; Instrumentation and measurement; Measurement uncertainty; Noise measurement; Phase detection; Signal to noise ratio; Ultrasonic transducers; Ultrasonic variables measurement; Velocity measurement; Wind speed; Wind speed measurement; data fusion; fuzzy set theory; time-of-flight; ultrasonic transducers; uncertainties;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Instrumentation and Measurement Technology Conference Proceedings, 2008. IMTC 2008. IEEE
Conference_Location :
Victoria, BC
ISSN :
1091-5281
Print_ISBN :
978-1-4244-1540-3
Electronic_ISBN :
1091-5281
Type :
conf
DOI :
10.1109/IMTC.2008.4547210
Filename :
4547210
Link To Document :
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