HAL Id: hal-02607243
https://hal.inrae.fr/hal-02607243
Submitted on 16 May 2020
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Achieving uniform spread patterns on non-flat fields by the control of fertilizer spreading
E. Abbou-Ou-Cherif, E. Piron, D. Miclet, A. Chateauneuf
To cite this version:
E. Abbou-Ou-Cherif, E. Piron, D. Miclet, A. Chateauneuf. Achieving uniform spread patterns on non-flat fields by the control of fertilizer spreading. 1st AXEMA - EurAgEng Conference, Feb 2017, Villepinte, France. 2017. �hal-02607243�
1st AXEMA-EurAgEng Conference
2017 February 25
Les rendez-vous
Techniques
AXEMA
Achieving uniform spread patterns on non-flat fields by the control of
fertilizer spreading
N°12
Modeling Sensitivity
analysis Control design
θ θ θ
-100 -60 -20 20 60 100 140 -60
-20 20 60 90
x axis [m]
y a xi s [ m ] appl ic at ion r at e [ % ]
50 100 150
α
Δ
±
± ±
-100 -60 -20 20 60 100 140 -60
-20 20 60 90
x axis [m]
y a xi s [ m ] appl ic at ion r at e [ % ]
50 100 150 -100 -60 -20 20 60 100 140
-60 -20 20 60 90
x axis [m]
y a xi s [ m ] appl ic at ion r at e [ % ]
50 100 150
-60 -40 -20 0 20 40 60 80
40 50 60 70 80 90 100 110 120 130 140 150 160 170 180
-60 -40 -20 0 20 40 60 80-12
-10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16
Tilt correction [°]
-60 -40 -20 0 20 40 60 80
40 50 60 70 80 90 100 110 120 130 140 150 160 170 180
x axis [m]
-60 -40 -20 0 20 40 60 8040
50 60 70 80 90 100 110 120 130 140 150 160 170 180
flow rate control function [%]
-60 -40 -20 0 20 40 60 80
40 50 60 70 80 90 100 110 120 130 140 150 160 170 180
x axis [m]
-60 -40 -20 0 20 40 60 8040
50 60 70 80 90 100 110 120 130 140 150 160 170 180
flow rate control function [%]
-60 -40 -20 0 20 40 60 80
40 50 60 70 80 90 100 110 120 130 140 150 160 170 180
-60 -40 -20 0 20 40 60 80-12
-10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16
Tilt correction [°]
Mean longitudinal spread rate [%] Before correction and after correction Mean longitudinal spread rate [%] Before correction and after correction
Mean longitudinal spread rate [%] Before correction and after correction
x axis [m]
x axis [m]
Mean longitudinal spread rate [%] Before correction and after correction
