A-Tech Technical Training - PowerPoint PPT Presentation

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  1. A-TechTechnical Training

  2. Grey pieces act like funnel Black rubberband keeps basket closed Robotic Design - Basket

  3. Fast adjustment to basket vertical position Robotic Design – Manual Control

  4. Yellow claws are adjustable Goes up and down Robotic Design - Bumper

  5. Keep robot form tilting forward Robotic Design – Counter Weight

  6. Single wheel design let robot turn easily and accurately Can turn forward and backward very fast Robotic Design – Rear Wheel

  7. Use 3 circular gears to open and close basket Gears are 1 to 1 ratio Use linear gear to raise basket up and down One motor can control open / close and up / down Robotic Design – Gear Box

  8. Lots of braces to keep robot solid Robotic Design – Structure

  9. Use 2 light sensors 1 ultrasonice sensor 3 NXT Motors Robotic Design – Sensors/Motors

  10. Sense shades of colors How does it work? How does calibration work? How fast is it? Robotic Design – Light Sensor 0 35 60 100

  11. Sense Distance How does it work? What is the minimun distance? How fast is it? Robotic Design – Utrasonic Sensor 3 – 4 Inches Min.

  12. Software Design – Detecting Distance • Set motor to unlimited move forward • Set sensor until < distance ( in centimeters or inches ) • How many centimeters in an inch? 2.54 cms

  13. Software Design – Line Following Algorithm B Motor Speed slower or faster than C motor, never same B C C Motor Speed stay constant

  14. 2 3 Software Design – Reference Robot • This makes sure our robot is starting from the same position and angle at each time