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Usage Report

Vehicle: SRBC 17 Date: 28/04/2026 Location: SABI AGRI, Auvergne, France Missions: 1

Mission context

Weather

Precipitation type None
Temperature 18 °C
Sun position Zenith

Terrain

Slope 0 %
Cross slope 0 %

Sol

Texture Clay loam
Dominant particle size Stones 20-200 mm
Moisture condition Friable (optimal)

Crop

Species Radis et Carottes
Growth stage Maturity
Weed pressure 25 %
Planned operation Scraping

Adjacent environment

Tall vegetation No
Tall buildings No
Metal structures Yes
Ditch or embankment Yes
High-voltage lines No
Residential area No
School or playground No
Roads No
No-network zone No

Robot configuration

Robot weight 220 kg
Robot width 0.64 m
Tool
Tool name Herse Etri
Tool type Trailed
Tool weight 15 kg
Tool length 0.6 m
Tool width 0.64 m
Tool height 0.6 m
Total tool length 1.1 m
Working depth 0.08 m

Mission overview

Mission parameters

Task to perform Grattage chardons
Trajectory Rectiligne, square turn
Working speed 1.8 km/h
Mission file Interrangboucle03.json
Geofencing enabled Yes

Organization

Workforce
Total employees 1
Surface area
Theoretical plot surface 0.08 ha
Worked plot surface 0.0984 ha
Robot-cultivated surface 0.3 ha
Plot fragmentation Consolidated (<0.5 km)

Agronomic summary

Energy per hectare 4.68 kWh/ha
Work rate 0.10 ha/h
Autonomy per battery 0.54 ha/batterie

Time tracking

Tool setup 5 min
GPS connection wait 0 min
Wi-Fi connection wait 0 min
Supervision time 0 min
Travel time 5 min
Number of restarts 0
Number of stops 0

Work assessment

Quality appreciation Neutral
Crop damage Medium (5 m)
Before work — Mission 1
Before work
After work — Mission 1
After work

Performance Indicators

Agronomic

Crop species
Radis et Carottes
Growth stage
Maturity
Soil texture
Clay loam
Soil moisture
Friable (optimal)
Weed pressure
25 %
Planned operation
Scraping
Work quality assessment
Neutral
Crop damage
Medium (5 m)

Energy

SOC at start
73.90 %
SOC at end
25.80 %
Total discharge
51.92 %
For a battery pack capacity of: 2.54 kWh
Total energy consumed
1.32 kWh
Average power
0.46 kW
Energy per hectare
4.68 kWh/ha
Autonomy per battery
0.54 ha/batterie
Reference battery: 2.54 kWh

Work Rate

Work rate
0.10 ha/h
Area covered
0.28 ha
Worked plot surface
0.10 ha
Worked area
0.25 ha
Effective area
0.08 ha
Coverage rate
200.38 %
Average speed (km/h)
1.58 km/h
Max speed (km/h)
3.60 km/h

Economic

Electricity price
0.19 €/kWh
Labor cost per hour
18.00 €/h
Employees assigned
0
Labor cost per hectare
0.00 €/ha
Energy cost
0.25 €
Energy cost per hectare
0.89 €/ha
Total cost
0.25 €
Total cost per hectare
0.89 €/ha

Environmental

Temperature
18 °C
Precipitation type
None
CO₂ emissions
0.42 kg
Emission factor applied: 317 g CO₂ per kWh.
Plot fragmentation
Consolidated (<0.5 km)

Mission

Planned distance
1308.97 m
Performed distance
4410.30 m
Distance deviation
3101.33 m
Performed distance (%)
336.93 %
Mean lateral deviation
2.77 cm
kpi.mission.lateral_deviation_mean_cm_note
Max lateral deviation
19.84 cm
Without half-turn
Mean lateral deviation (tool)
5.09 cm
Without half-turn, tool distance: 110 cm
Max lateral deviation (tool)
19.95 cm
Without half-turn, tool distance: 110 cm
Worked rows
21

Operational

Robot weight
220.00 kg
Tool weight
15.00 kg
Total weight
235.00 kg
Energy per kg per hectare
0.02 kWh/kg/ha
Mean torque at work (% of nominal)
45.47 %
Reference nominal torque: 2.39 N·m — Number of motors: 2.

Safety

Geofencing exits
1
Time outside geofencing (seconds)
524.73 s
Time outside geofencing (hours)
0.15 h
Local emergency stops
0
Remote emergency stops
0
Bumper activations
0

Reliability

Output errors
0
Input errors
0
Battery errors
0
Motor errors
1
Cylinder errors
1
Total errors
2
Output error time (seconds)
0.00 s
Input error time (seconds)
0.00 s
Battery error time (seconds)
0.00 s
Motor error time (seconds)
168.02 s
Cylinder error time (seconds)
168.21 s
Total error time (seconds)
168.90 s
Error rate per hour
0.70 /h
System availability
98.35 %

Localization

Localization errors
3
Error time (seconds)
145.70 s
Error time (hours)
0.04 h

Time

Total duration
10266.37 s
Total duration (hours)
2.85 h
Active time
7690.85 s
Active time (hours)
2.14 h
Inactive time
2575.52 s
Inactive time (hours)
0.72 h
Active time (%)
74.91 %
Inactive time (%)
25.09 %