In Due Time Kyle Baitz, Jonathan Pierson, Travis Haley.

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Presentation transcript:

In Due Time Kyle Baitz, Jonathan Pierson, Travis Haley

Background Pulling weeds is time consuming and expensive. An autonomous weed puller would save money and time becomes a non-issue. Eliminates the use of herbicides

Problem Statement Design and fabricate an autonomous weed puller that can successfully navigate a corn field. The weed puller must remove weeds to within 2 inches of the corn stalk. The spacing of the corn stalks is 4.5”on center with rows being 30” apart

Solution Statement A mechanism similar to a rotor tiller will be used along side a line tracking system to simultaneously navigate and pull weeds.

System Overview Diagram

Rolling Sensor Mount Provides a way to keep sensors at specified height Will allow for small amount of travel if surface is uneven. Positioned on the front of the MARV

Rolling Sensor Mount Test Results Surface Volts White Reflectivity.25V Black Reflectivity 3.51V Dirt Reflectivity 2.88V Open to Air 5.04V Tested at.150”

Rolling Sensor Mount Tracking Line is 2” wide and white As sensor goes over line, V drops Right Sensor determines if right motor is turned on. (Same for Left Sensor)

Weed Puller/Tiller In action

Weed Puller/Tiller

Arm Mechanism

Safety Bumper Shuts down MARV when bumping into solid objects Protects users from injury

Safety Bumper Operation Diagram

Personnel Assignments Rolling Sensor Assembly, Flow Diagram, System Diagram - Kyle Baitz Arm Assembly, Roller Assembly, Spring System Design - Travis Haley Safety Bumper, Budget, Model Assembly, Sensor Testing -Jonathan Pierson

Budget MARV assembly (borrowed) Tiller Arm assembly Tiller Arm motors (borrowed) Tracking sensors (borrowed) Miscellaneous materials (borrowed) $ 0 $ 50 $0 _________ $50 Total

Schedule Week 1Week 2Week 3Week 4Week 5Week 6Week 7 Brainstorming Research Sensors Weed Pulling Patents Background Mechanisms Design Mechanical Safety Bumper Rolling Sensor Mount Tiller-esque Mechanism Arm Mechanism Tillers' Drive System Design Electrical Sensor Circuit Motor Functionality Programming Flowcharts Code Analysis Presentation

Questions?