weeding robot team 11 sponsor: jeff phipps advisor: dr. clark student members: ian nowak (ee) coen...
TRANSCRIPT
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Weeding Robot Team 11Sponsor: Jeff Phipps
Advisor: Dr. Clark
Student Members:Ian Nowak (EE)
Coen Purvis (ME) Amanda Richards (ME)
Grant Richter (ME)Jeremy Rybicki (EE/CpE)
Nathan Walden (ME)
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Background Information• Purpose• To create an autonomous robotic system to remove weeds from a plot
• Orchard Pond Organic Farm• About the farm• About the sponsor
• Constraints• Affect all weeds in a given area • Should not disturb below 1 inch of soil
Team 11 Coen Purvis
Slide 2 of 9 Revised Project Plan & Objectives
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Motivation
• For an organic farm to compete, it must make up for the excessive manpower required• Allow for the farm to expand• Weeding is a menial task that could be automated• Weeding can be physically taxing on an individual
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New Project Scope• Plot will have beds and
furrows• Robot driving in furrow no
longer has a weight constraint• Remove weeds from bed
within 2 inches of the plant
• Semi-flat terrain with no beds or furrows
• Ground pressure and weight of the robot was a key factor
• Remove weeds in entire 36 inch gap between crops
Old Project Scope
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Team 11 Nathan Walden
Slide 3 of 9 Revised Project Plan & Objectives
• Finished first prototype and confirmed proof of concept• Finished construction of second prototype• In progress of integrating weeding mechanism and the robot• Electronic design
Semester Progress
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Video of First Prototype
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Lessons Learned• More spokes• Better method of fastening spokes• Stronger materials• Influenced frame design of future
prototype
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Current Mechanical Prototype
• Elevated weeding mechanism • Offset distance from robot• Chain driven
Team 11 Coen Purvis
Slide 4 of 9 Revised Project Plan & Objectives
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Video Second Prototype
• Add video here.
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Electrical Project Plan• Get visual system fully operational
• Combine the visual system with the motor control for navigation
• Testing navigation with the weeding mechanism
• Provide documentation
Team 11 Nathan Walden
Slide 8 of 9 Revised Project Plan & Objectives
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Challenges
• Change of scope • Beagle Bone Black Blowout• Lengthy shipping times
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Possible Future Design Modification
• Develop height adjusting mechanism• Adding baskets to both sides for navigation and stability• Adjustable basket sizes to improve marketability
Team 11 Grant Richter
Slide 5 of 9 Revised Project Plan & Objectives
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Mechanical Project Plan• Fabricate second weeding mechanism, couple with frame
• Test weeding mechanism with the Frame
• Integrate future design modifications
• Provide documentation
Team 11 Nathan Walden
Slide 6 of 9 Revised Project Plan & Objectives
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Budget
Team 11 Name
Slide 7 of 9 Midterm II Presentation
ACTUALELECTRICAL COMPONENTS COSTBeagleBone Black 55.00$ Logitech C310 USB 2.0 HD WebCam 40.46$ Dual Motor Controller Cape (DMCC) Mk.6 136.00$ PICAXE-08M2 Microcontroller 15.67$ SainSmart HC - Range Detector 8.42$ AC6 Smart LiPo Balance Charger/Discharger w/AC Adapter 48.95$ GENS ACE 5000mAh 40C 7.4V Lipo Battery Pack 86.00$ Converter Adapter 6.08$ HDMI to Micro HDMI 3.99$ Samsung Class 6 SDHC 15.51$ USB Hub 17.14$
MECHANICAL COMPONENTS COST4WD All-Terrain Chassis 187.40$
3000; 83%
620.62; 17%
ACTUALTOTAL BUDGETTOTAL EXPENSES
TOTAL 620.62$
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Team 11 Nathan Walden
Slide 9 of 9 Revised Project Plan & Objectives