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Testing Accuracy of Long-Range Ultrasonic Sensors for Olive Tree Canopy Measurements

Opened Access Testing Accuracy of Long-Range Ultrasonic Sensors for Olive Tree Canopy Measurements

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Autor: Gamarra Diezma, Juan Luis
Miranda Fuentes, Antonio
Llorens, Jordi
Cuenca, Andrés
Blanco Roldán, Gregorio L.
Rodríguez Lizana, Antonio
Departamento: Universidad de Sevilla. Departamento de Ingeniería Aeroespacial y Mecánica de Fluidos
Fecha: 2015
Publicado en: Sensors, 2015 (15), 2902-2919.
Tipo de documento: Artículo
Resumen: Ultrasonic sensors are often used to adjust spray volume by allowing the calculation of the crown volume of tree crops. The special conditions of the olive tree require the use of long-range sensors, which are less accurate and faster than the most commonly used sensors. The main objectives of the study were to determine the suitability of the sensor in terms of sound cone determination, angle errors, crosstalk errors and field measurements. Different laboratory tests were performed to check the suitability of a commercial long-range ultrasonic sensor, as were the experimental determination of the sound cone diameter at several distances for several target materials, the determination of the influence of the angle of incidence of the sound wave on the target and distance on the accuracy of measurements for several materials and the determination of the importance of the errors due to interference between sensors for different sensor spacings and distances for two different m...
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Cita: Gamarra Diezma, J.L., Miranda Fuentes, A., Llorens, J., Cuenca, A., Blanco Roldán, G.L. y Rodríguez Lizana, A. (2015). Testing Accuracy of Long-Range Ultrasonic Sensors for Olive Tree Canopy Measurements. Sensors, 2015 (15), 2902-2919.
Tamaño: 5.346Mb
Formato: PDF

URI: http://hdl.handle.net/11441/46281

DOI: http://dx.doi.org/10.3390/s150202902

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