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Evaluation de la répartition d'engrais au sol par analyse d'images rapides lors de l'épandage centrifuge d'engrais
Abstract : Although mechanically simple, centrifugal spreaders used for mineral fertilization involve not well-known complex physics phenomenons. To avoid bad fertilizer inputs in the field, the centrifugal spreading technique and particularly the initial conditions of flight of the granules have to be precisely understood. This paper presents the conception of a fast image processing system for the characterization of the centrifugal fertilizer spreading. This patented multiexposure system allows to determine granule trajectories after their ejection, by using a high resolution digital camera combined with a set of flashes, and different motion estimation methods. The results are then used in a ballistic model to obtain the fertilizer repartition on the ground.
Cited literature [8 references]
https://hal-agrosup-dijon.archives-ouvertes.fr/hal-01839812
Contributor : Kevin Oudard Connect in order to contact the contributor
Submitted on : Monday, July 16, 2018 - 9:36:50 AM
Last modification on : Tuesday, October 12, 2021 - 2:50:09 PM
Long-term archiving on: : Wednesday, October 17, 2018 - 12:59:59 PM
Contributor : Kevin Oudard Connect in order to contact the contributor
Submitted on : Monday, July 16, 2018 - 9:36:50 AM
Last modification on : Tuesday, October 12, 2021 - 2:50:09 PM
Long-term archiving on: : Wednesday, October 17, 2018 - 12:59:59 PM
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