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TEAM
Zeb Smithson  Jon Boyd  Shane Sharp  Corey Thomas
“I got it made…”
What Is A VEX Robot?
• A system comprised of various
mechanical, electrical and
software constituents
• All parts are premade
• Can be modified and manipulated
• A budget robot made from a
platform that enables students to
learn and apply various STEM
(Science, Technology, Engineering
and Math) attributes.
Challenges
• Closely related to the real life
challenges engineers face
every day
• Challenges would end up
governing how we would
construct our system
• We implemented various
system and management
processes to tackle these
challenges
Project Management
Budget
Time
• 6 hours a day for 5 days
• Additional work would be done on our own
time without the physical robot to refer to.
• Biggest challenge (in our opinion).
• It was a race against time!
Resources
• Us
• Mentors (Technical, Software, Project lead,
Project manager)
• Limited, but Various vex materials
• Any tools to help modify VEX materials
Budget
• Governed by our project manager.
• Determines the amount of materials and
resources.
Project Objective
Design
Build
ProgramTest
Production
Analyze
• Although the SDLC
(System/software
Development Life-cycle)
model is tailored towards
software and engineering, it
can be used in a variety of
fields aimed at
accomplishing a specific
goal.
• Ours is the RSDLC
(Robotics System
Development Life-Cycle)
On your mark, get set…Go!
Objective
“Build a robot from the ground up
with VEX materials and program the
robot to run autonomous to
complete the challenge. The two
teams will have the challenge to
capture their flag and return to their
starting positions.”
Design
Brainstorming & Initial
Concepts
Challenges
• Conflicting Ideas
• Limited materials
• Lack of Experience
Solutions
• Team effort - Constructive criticism,
Patience, Respect
• Competitors
• Mentors
=
The Final Result…
Hermione
Build Challenges
• Using the least amount of parts to cut down on
cost, weight and time.
• Gravity combine with weight posed problems on
individual systems such as: Chassis, Axels &
Capture lift
• Create an efficient capture/lift system
• Create an efficient and functional drive train
Solutions
• Extended axels across chassis for
reinforcement
• Devised gears for capture/lift system along
with drivetrain
Bill of Materials
Bill Of Materials
Total Sets Used Number Per Package Price Per Package Total $
MOTION
2-Wire Motor 269 4 1 12.99 51.96
Motor Controller 2 1 9.99 19.98
Gear Kit 3 2XL/4L/4M/4S 12.99 38.97
Rack Gear 1 16 19.99 19.99
4" Wheels 1 4 19.99 19.99
Drive Shafts 1 4 12" Shafts 8.96 8.96
Pillow Block Bearing & Lock bar Pack 1 6 Bearing/4 Lock 7.99 7.99
Bearing Flat, Delrin 3 10 4.99 14.97
Shaft Collar 4 16 10.49 41.96
Washer (Telfon) 1 25 4.95 4.95
Washer (Metal) 1 200 4.95 4.95
Spacers 8mm 2 20 2.99 5.98
Spacers 4.6mm 2 20 2.99 5.98
Structure
L Beam 2x2x35 2 4 17.99 35.98
Chassis Rail 2x1x25 1 4 14.99 14.99
C Channel Rail 1x2x35 2 2 8.99 17.98
Slotted Angles (Slide Rails) 1 4 14.99 14.99
Single Bar 1x25 1 8 12.99 12.99
Gusset Pack 1 6 5.95 5.95
Screws 1in 1 100 9.99 9.99
Screws 1/2in 1 100 7.49 7.49
Screws 3/4in 1 100 9.99 9.99
Lock Nuts 1 100 3.99 3.99
Keep Nuts 1 100 2.99 2.99
Power
7.2v Robot Battery 1 1 29.99 29.99
Battery Charger 1 1 16.99 16.99
Sensors
Line Tracker 1 3 39.99 39.99
Ultrasonic Range Finder 1 1 29.99 29.99
Optical Shaft Encoders 1 2 19.99 19.99
Bumper Switch 1 2 12.99 12.99
Logic
PIC Micro-Controller v5.0 1 1 149.99 149.99
Easy C Disc 1 1 74.99 74.99
Programing Hardware Cable 1 1 49.99 49.99
Total = 808.87
Programming
Challenges
• How to go from dead-
reckoning to autonomous
automation
• Organizing functions to
make our system work
efficiently
• Program avoid function to
avoid objects
• Inexperience with
programming software
Solutions
• Used trigonometry to
guide our bot
throughout course
• Spread sheet
Testing
Challenges
• Calibrate sensors
• Calibrate gears
• Clearance issues
Mechanism
• Lack of experience with
software
• Finding code that works
• Distance calculations
• Sensor calculations
Program
Testing Capture System
Solutions
• Trial and error
Manually inputting data into functions
• Calibration
physically measuring line sensor data
• More trigonometry
Finding arc length of tires instead of dead-reckoning
• Collaboration
Pitching solutions to mentors team members along with the
opposing team
Release/Play
• Demonstrate how we, as a team, have
integrated our STEM abilities
• We expect our robot to function correctly
autonomously
• Reveal how difficult it is to create an
autonomous system within a small time frame
Analyze
• Reveal how we have been able to
work together to create a fully
functional system
• Re-think our weaknesses and
strong points as individual and a
team
• Re-think and find solutions to all
faulty aspects of our system
ThankYou…
Kumar and Mathabotics
Katlin, Frank and the B2E program
Our mentors: Alfonso, Ashley and Matt
Everyone who encouraged us to pursue a
path in engineering

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VEX_PPT

  • 1.
  • 2. TEAM Zeb Smithson  Jon Boyd  Shane Sharp  Corey Thomas “I got it made…”
  • 3. What Is A VEX Robot? • A system comprised of various mechanical, electrical and software constituents • All parts are premade • Can be modified and manipulated • A budget robot made from a platform that enables students to learn and apply various STEM (Science, Technology, Engineering and Math) attributes.
  • 4.
  • 5. Challenges • Closely related to the real life challenges engineers face every day • Challenges would end up governing how we would construct our system • We implemented various system and management processes to tackle these challenges
  • 7. Time • 6 hours a day for 5 days • Additional work would be done on our own time without the physical robot to refer to. • Biggest challenge (in our opinion). • It was a race against time!
  • 8. Resources • Us • Mentors (Technical, Software, Project lead, Project manager) • Limited, but Various vex materials • Any tools to help modify VEX materials
  • 9. Budget • Governed by our project manager. • Determines the amount of materials and resources.
  • 11. • Although the SDLC (System/software Development Life-cycle) model is tailored towards software and engineering, it can be used in a variety of fields aimed at accomplishing a specific goal. • Ours is the RSDLC (Robotics System Development Life-Cycle)
  • 12. On your mark, get set…Go!
  • 13. Objective “Build a robot from the ground up with VEX materials and program the robot to run autonomous to complete the challenge. The two teams will have the challenge to capture their flag and return to their starting positions.”
  • 16. Challenges • Conflicting Ideas • Limited materials • Lack of Experience
  • 17. Solutions • Team effort - Constructive criticism, Patience, Respect • Competitors • Mentors =
  • 20.
  • 21.
  • 22. Build Challenges • Using the least amount of parts to cut down on cost, weight and time. • Gravity combine with weight posed problems on individual systems such as: Chassis, Axels & Capture lift • Create an efficient capture/lift system • Create an efficient and functional drive train
  • 23. Solutions • Extended axels across chassis for reinforcement • Devised gears for capture/lift system along with drivetrain
  • 24. Bill of Materials Bill Of Materials Total Sets Used Number Per Package Price Per Package Total $ MOTION 2-Wire Motor 269 4 1 12.99 51.96 Motor Controller 2 1 9.99 19.98 Gear Kit 3 2XL/4L/4M/4S 12.99 38.97 Rack Gear 1 16 19.99 19.99 4" Wheels 1 4 19.99 19.99 Drive Shafts 1 4 12" Shafts 8.96 8.96 Pillow Block Bearing & Lock bar Pack 1 6 Bearing/4 Lock 7.99 7.99 Bearing Flat, Delrin 3 10 4.99 14.97 Shaft Collar 4 16 10.49 41.96 Washer (Telfon) 1 25 4.95 4.95 Washer (Metal) 1 200 4.95 4.95 Spacers 8mm 2 20 2.99 5.98 Spacers 4.6mm 2 20 2.99 5.98 Structure L Beam 2x2x35 2 4 17.99 35.98 Chassis Rail 2x1x25 1 4 14.99 14.99 C Channel Rail 1x2x35 2 2 8.99 17.98 Slotted Angles (Slide Rails) 1 4 14.99 14.99 Single Bar 1x25 1 8 12.99 12.99 Gusset Pack 1 6 5.95 5.95 Screws 1in 1 100 9.99 9.99 Screws 1/2in 1 100 7.49 7.49 Screws 3/4in 1 100 9.99 9.99 Lock Nuts 1 100 3.99 3.99 Keep Nuts 1 100 2.99 2.99 Power 7.2v Robot Battery 1 1 29.99 29.99 Battery Charger 1 1 16.99 16.99 Sensors Line Tracker 1 3 39.99 39.99 Ultrasonic Range Finder 1 1 29.99 29.99 Optical Shaft Encoders 1 2 19.99 19.99 Bumper Switch 1 2 12.99 12.99 Logic PIC Micro-Controller v5.0 1 1 149.99 149.99 Easy C Disc 1 1 74.99 74.99 Programing Hardware Cable 1 1 49.99 49.99 Total = 808.87
  • 26. Challenges • How to go from dead- reckoning to autonomous automation • Organizing functions to make our system work efficiently • Program avoid function to avoid objects • Inexperience with programming software
  • 27. Solutions • Used trigonometry to guide our bot throughout course • Spread sheet
  • 29. Challenges • Calibrate sensors • Calibrate gears • Clearance issues Mechanism • Lack of experience with software • Finding code that works • Distance calculations • Sensor calculations Program
  • 31. Solutions • Trial and error Manually inputting data into functions • Calibration physically measuring line sensor data • More trigonometry Finding arc length of tires instead of dead-reckoning • Collaboration Pitching solutions to mentors team members along with the opposing team
  • 32. Release/Play • Demonstrate how we, as a team, have integrated our STEM abilities • We expect our robot to function correctly autonomously • Reveal how difficult it is to create an autonomous system within a small time frame
  • 33. Analyze • Reveal how we have been able to work together to create a fully functional system • Re-think our weaknesses and strong points as individual and a team • Re-think and find solutions to all faulty aspects of our system
  • 34. ThankYou… Kumar and Mathabotics Katlin, Frank and the B2E program Our mentors: Alfonso, Ashley and Matt Everyone who encouraged us to pursue a path in engineering

Editor's Notes

  1. Our model to complete our task. Each one of these processes is to documented to ensure the best end result.
  2. We encountered many problems along the way. Many dealt with conflicting ideas, while many were caused by the limited materials and our lack of experience in an engineering, team environment.