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Ibot basic robo_cfi_temp1.2

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Introduction to basic robotics

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Ibot basic robo_cfi_temp1.2

  1. 1. ibot Club
  2. 2. ibot Club !bot Roboliterate Program • !bot is launching Roboliterate program for all IITM students. • Attend all !bot sessions, workshops, lectures and get certified as !bot Level 1 robotdeveloper/Roboliterate. • Do a summer project under !bot and reach Level 2 and it goes on. • Fill in your name and roll-number in the sheet that is passing around. • NO PROXY PLEASE :P
  3. 3. What do you think is a Robot ??? ibot Club
  4. 4. ibot Club ROBOTICS Manual Robotics Autonomous Robotics
  5. 5. What will we learn today? We’ll learn to make a simple ibot Club remote controlled robot which can be made to move in any desired direction
  6. 6. Build Your Basic Bot ibot Club
  7. 7. Differential Drive System ibot Club
  8. 8. Differential Drive System ibot Club
  9. 9. Tools Required • Hacksaw / Jigsaw • Hand drill / Power drill • Spanners • Pliers • Screwdriver • Wire Stripper ibot Club
  10. 10. Materials Required • Wood • Nuts and bolts • Motors • Wheels • Clamps & flanges • Batteries • Wires • Switches ibot Club
  11. 11. Basic Structure • Wood (Easiest material to work with) • Acrylic • Aluminium • Simplest shape to cut : Rectangular ibot Club
  12. 12. Motor • Electromechanical devices which ibot Club converts EE into ME • Two terminals • Can rotate in both directions • Main Specifications: • RPM (Rotations per minute) • Torque (kgcm) • Voltage (V)
  13. 13. Motor Parts ibot Club GEAR BOX MOTOR SHAFT • Shaft: It is where we attach wheel or an other mechanism • Gearbox: This is to reduce the basic rpm of the motor to the desired one. • Motor: High RPM motor which is then reduced using gearbox.
  14. 14. Wheels • Normal Wheels • Omni Wheels ibot Club
  15. 15. Fixing motor to wheel ibot Club
  16. 16. Clamping motor-wheel to chasis ibot Club • ‘C’ clamps • ‘U’ clamps • ‘L’ clamps • Special clamps
  17. 17. Clamping motor-wheel to chasis ibot Club
  18. 18. Clamping motor-wheel to chasis ibot Club
  19. 19. Fixing of a castor wheel • Align castor such that chassis remains parallel ibot Club to the ground.
  20. 20. Fixing of a castor wheel ibot Club
  21. 21. How does the bot look like ibot Club
  22. 22. How does the bot look? ibot Club
  23. 23. Why 3 wheels and not 4 wheels? • To define a plane uniquely, you require atleast 3 points, ibot Club but if we have 4 points we need to make sure that all the four points lie in a plane. • Hence, 3 is the preferred choice. We need suspensions incase of 4 wheels
  24. 24. Placement of battery • Make sure Center of Gravity remains as low ibot Club as possible. • Lead acid, LiPO(Lithium Polymer), Ni-Mh
  25. 25. Motor Control • DPDT ( Double Pole Double Throw ) switches ibot Club controls each motor.
  26. 26. Cost Estimate ibot Club
  27. 27. How to get involved? • Techsoc: Manual & Line-follower • Make your own remote controlled robot. • Involve yourself with seniors who are into robotics • Volunteer for ongoing projects in CFI. • Tech fests of other colleges and institutions ibot Club
  28. 28. Basic Manual Robotics Workshop • A workshop which is the hands-on version of today’s session • Make your own remote controlled robot. • On 22/09/2013 2:30PM @CFI • A highly subsidized workshop for all IITM students at just 250 INR. • Bring to reality what you have learnt today. ibot Club
  29. 29. Shops in Chennai • Ritchie street (Electronics Market): • Modi electronics, Ajanta Electronics ibot Club • How to reach • 23C from Main Gate • 5C from Taramani • Train to Chintadripet from Kasturibai nagar • Parrys (Hardware Market): • For materials: Chanels, clamps, tools etc. • How to reach • 5C from Taramani • Train to Chennai Beach from Kasturibai nagar
  30. 30. Reference Sites • www.howstuffworks.com • www.societyforrobots.com • www.robokits.com • www.thinklabs.com • www.rhydolabz.com • www.sparkfun.com • www.digikey.in • www.nexrobotics.com • www.frugal-labs.com ibot Club
  31. 31. Contact Details ibot Club • Anil Prasad R 9600151182 • Kalyan Vasudev 9600091895 You can mail us at ibot.iitm@gmail.com if you have any queries…

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