Robojoy challenge class

3-1-1 Given the rules

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Create a sample robot (software)

I tried to make a program "back to the start area by grabbing the ball."
[Download] "Back to the start area by grabbing the ball "program (NXT software)

The contents of each icon set.
"Open Hand": If the hand opens too wide, the motor does not rotate well. So, instead of "angle" control method set the "second (time) ".
To reduce the burden of the motor, power should be left to lower value.

"Moving forward": Turn the motor B and C at the same time. Use the icon "move" in order to match the tone of the rotation. The motor B and C must move the exact distance is controlled by the "angle". The rotation angle can be calculated by dividing the distance traveled by the diameter of the tire.

"Close the hand": Close the hand by turning the motor A. Move the motor with the "second", like when you open the hand.

"Moving backward ": As same as move forward, we use the "move" icon.

I tried to run the program.
[Movie] This is a movie of how it running (youtube).

The robot was able to grab the ball without any problems for now.
The following is a point I noticed.
・Robot was reached the ball without meandering. The black line until the ball is looks good even without.
・The start of the robot to the goal, it would end in about 5 seconds. This way, the results will be all the same. Is it better to extend the distance to the goal?
・How do we summarize the competition results? There are still challenges to the management side.

We will rethink again and re-announced the competition field and other detail. After a few months, we actually want to hold the competition. Enjoy it

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