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Egg Hunt Planning Page

Final Wrap-up

Strategic Plan:

  • Wedge setup on front of bot to channel "eggs."
  • Drive around using randomly varying radius, and using a distance sensor to detect "eggs."
    • Long range sensor used to find far off balls.
    • Short range sensor used to determine if ball is in reach of arm.
  • Use photo resistor to determine egg color.
  • Robot spins around, determines brightest light source and heads toward it.
    • Repeats this every two seconds.
  • When it bumps into goal (or wall D:), backs up and shoves ball into goal.

Action Plan:

Task Description Who Completed Estimated Completion Date Actual Completion Date ( early late)
Search Pattern Code to scramble (pardon the pun) around. Chris Jan 4 Jan 17 (I think I was a bit optimistic)
Comments: Not sure if this is the most efficient, but oh well.
Egg Detection Code to find eggs using distance sensors. Chris ??? ???
Comments: Again, not much with the timing, it was perfected a few days before the competition but had been working for a bit beforehand.
2 minute timer Write code to time out robot after two minutes and return to "wait for play button" mode. Chris Jan 4 ???
Comments: At a certain point we lost track of when some things were finished.
Define User Interface Decide what the buttons, LEDs, Cricket display, sound we'll use to make it easy for user to run the robot. Dan (50%) & Chris (50%) Jan 2 Jan 3
Comments:
Build Robot Hardware Build the actuators and devices that allow our robot to have an effect. Dan (30%) & Chris (70%) ??? ???
Comments:
Egg Sorting Code to determine egg color. Dan Jan 3 Last weekend?
Comments:
Find Goal Find the string of lights on the field and head towards it. Dan ??? ???
Comments: No idea when this was actually finished, but it was close to the competition.

Dan's Weekly progress reports:

  • Program written to determine color of ball
  • Currently gathering data to identify which balls are which and how far away they can be identified

Chris's Weekly progress reports:

Jan 4th

  • Generated code for single-light-sensor photophiliac mode -- mostly works.
  • Worked on implementing user interface.
  • Safe mode function, with an additional input argument that allows for a corrective action based on current mode (searching for or dropping off eggs).
  • Intend to explore ideas for use of servo control and for the actual physical design.

Jan 11th

  • Created arm-and-servo assembly to mount on robot.
  • Idea for wedge to channel balls into robot's "grip" -- assembly over the weekend.
  • Worked on code to use distance sensor to find balls.

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Page last modified on January 23, 2008, at 10:04 PM