Requirement |
Goal Value |
Evaluation Form |
Undesired Aspects |
Superior Third |
1. Working speed |
≤1,39 m∙s-1
|
Field test |
Operational capacity reduction |
2. Applied temperature to the target |
≥100°C |
Simulation in a test stand |
High soil, straw and device surface heating |
3. Application variation height |
Between 0,05 and 0,4m |
Simulation in a test stand |
Energy dissipation, device break on rocks presence, gravity center alteration |
4. Weeds elimination |
Elimination ≥80%/passed |
Flied tests |
Make more than one intervention |
5. Production cost |
≤ R$ 1.500,00 |
Amount of costs values with materials, processes and workers |
Quality and performance compromised, elements reduction |
6. Operation cost |
≤ R$ 200,00.ha-1
|
Field test |
Traction resource type and ineffective weed elimination restriction |
7. Energy consumption |
≤40 kg.GLP.ha-1
|
Laboratory tests |
Ineffective weed elimination |
8. Harvest damage |
Death ≤5% |
Field tests |
Weed elimination effectiveness reduction |
9. Weight |
<4.000 N |
Laboratory quantification |
Lighter materials use, production cost increase |
Medium Third |
10. Lines number |
≥2 lines |
Traction capacity and project layout analysis |
Increase in weight and dimensions, maneuver difficulty, traction force need increase |
11. Heat external parts temperatures |
≤50 °C |
Calculation based on insulating materials characteristics, evaluation on the field |
Weight increase and more expensive materials use |
12Applicator size |
≥0,4 m |
Test stand and field simulation |
Main crop with spaces lower than 0,4 m use restriction |
13. Regulation duration |
≤20 min. |
Laboratory timing |
Regulation quality, production cost increase |
14. Common standard materials |
≥80% |
Laboratory counting |
Compromising performance and functioning |
15. Space among lines variation |
0 a 0,9m |
Laboratory tests |
Higher components number, production cost increase |
16. Regulations number |
≤5 |
Laboratory counting |
Production cost increase, functioning compromised |
17. Clearance of the chassis |
≥0,4m |
Laboratory test |
Vertical gravity center increase |
18. Engine force |
<1.500N |
Field test |
Vertical gravity center increase |
Inferior Third |
19.Turning radius |
≤4m |
Field test |
Potency resource restriction |
20. Life cycle |
≥10 years |
Technical and practices adoption during the project to guarantee the goal |
Expensive and difficult to acquire materials used. |
21. Maintenance cost |
≤ R$ 32,00h-1
|
Values expend with materials, processes and workers amount |
Corrective maintenance necessity, operation cost increase and life cycle reduction |
22. Soil fauna maintenance |
95% |
Soil meso and macro fauna analysis |
Weed elimination ineffectiveness |
23. Maintenance duration |
≤2 hours |
Timing with stand test simulation |
Service quality compromised, maintenance spaces reduction |
24. Space between the maintenances |
12 months |
Technical and practices adoption during the project to guarantee the goal |
Corrective maintenances appearance production cost increase through higher quality materials use |
25. High tolerance use |
IT9 e IT11 classes |
Prototype pieces dimension control |
Tolerance use that can cause wear and backlashes |
26. Usual production procedure |
>80% |
Laboratory counting |
Innovative solutions that need different processes concretion limitation |