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Design and Fabrication of an Agricultural Spraying Attachment for an Autonomous Rover

Design and Fabrication of an Agricultural Spraying Attachment for an Autonomous Rover

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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"Design and Fabrication of an Agricultural Spraying Attachment for
an Autonomous Rover"
we need help in the machine design part of our study, specifically Pump selection, battery
selection, and center of gravity computation.

 

Rover weight capacity 35 kilo grams (payload)
Rover measurements:
Wheel distance - 14.5 inches and 8.5 inches
Rover platform size (width & length) 14.4 inches x 10.4 inches
Height- 15.8 inches.

 

 

....help it

Water tank selection More or less 25 liters *For tank selection we need to justify the size with the center of gravity, proving that is the maximum dimension or liters of the tank because the center of gravity will be higher making the rover prone to toppling Pump selection *Our sprayer design has two nozzles which splits using a tee splitter, we need to find the size of the pump to obtain the same discharge rate of a normal sprayer. A normal sprayer has a 12V pump and a pressure from 0.2 to 0.45 mpa (30-65 psi) The application rate of the main pesticide is 9.6- 19.2 fl oz/A (Brigade Insecticide for sweet potato) www. Thai was the initial deign where the water tank is above the battery and pump, but we changed our mind, now it is the battery and pump above the water Battery selection once the size of the pump has been selected what battery should be used for that pump. * Commonly a knapsack sprayer has a 16 liters tank, 12v pump, pressure from 0.2 to 0.45 mpa (30-65 psi)
Transcribed Image Text:Water tank selection More or less 25 liters *For tank selection we need to justify the size with the center of gravity, proving that is the maximum dimension or liters of the tank because the center of gravity will be higher making the rover prone to toppling Pump selection *Our sprayer design has two nozzles which splits using a tee splitter, we need to find the size of the pump to obtain the same discharge rate of a normal sprayer. A normal sprayer has a 12V pump and a pressure from 0.2 to 0.45 mpa (30-65 psi) The application rate of the main pesticide is 9.6- 19.2 fl oz/A (Brigade Insecticide for sweet potato) www. Thai was the initial deign where the water tank is above the battery and pump, but we changed our mind, now it is the battery and pump above the water Battery selection once the size of the pump has been selected what battery should be used for that pump. * Commonly a knapsack sprayer has a 16 liters tank, 12v pump, pressure from 0.2 to 0.45 mpa (30-65 psi)
Spray Quality* Extremely Fine Very Fine Fine Medium Coarse Very Coarse Extremely Coarse Ultra Coarse Size of Droplets Small Large VMD Range (Microns**) <60 61-105 106-235 236-340 341-403 404-502 503-665 >665 Droplet Size is Medium 236-340 microns Color Code Purple Red Orange Yellow Blue Green White Black Retention on Difficult to Wet Leaves Excellent Excellent Very Good Good Moderate Poor Very Poor Very Poor Used for Exceptions Exceptions Good Cover Most Products Systemic Herbicides Soil Herbicides Liquid Fertilizer Liquid Fertilizer 4/4 Drift Potential High Low
Transcribed Image Text:Spray Quality* Extremely Fine Very Fine Fine Medium Coarse Very Coarse Extremely Coarse Ultra Coarse Size of Droplets Small Large VMD Range (Microns**) <60 61-105 106-235 236-340 341-403 404-502 503-665 >665 Droplet Size is Medium 236-340 microns Color Code Purple Red Orange Yellow Blue Green White Black Retention on Difficult to Wet Leaves Excellent Excellent Very Good Good Moderate Poor Very Poor Very Poor Used for Exceptions Exceptions Good Cover Most Products Systemic Herbicides Soil Herbicides Liquid Fertilizer Liquid Fertilizer 4/4 Drift Potential High Low
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