We use the EV3 gyro sensor to drive straight and turn precisely. But the gyro values seem to change over time. This is a big problem for us.
For example, when we drive the robot in a straight line across the field, it starts ending as much as 10 beams to the left (N on a field). Slowly, it moves right to be at what should be 0*. Then, it begins to migrate further to the right (S on a field).
Turns behave the same way. A 90* turn goes too far, then over time, it's correct, then not far enough.
So, over the coarse of a programming session of 30-60 minutes or more, we have to keep changing our gyro values.
This is an issue at a tournament. It's impossible to know exactly which values to use.
Please leave us a comment if you have suggestions.
Thank you!
Code For Our Test
