Quote:
|
Originally Posted by Astronouth7303
Since the RC this year is about a jillion times faster, start going full speed and ratchet down the code if it doesn't work. All'a yous are still in the mindset of Slow, Tiny, and can't do squat.
For turning, us either 0:254 or 191:254. That way, you still go forward while turning.
|
its not a question of how fast the SW is running - last year the loop ran at 38Hz, same as this year and it was plenty fast
the problem with line following with only 2 or 3 sensors is you only have a gross idea of where the line is, its either this way or that way - you cant be sure how far
and the bot is relatively big and heavy, making it slow to turn and respond to commands - if you try to go too fast you end up overshooting the line and your bot will zigzag back and forth trying to track it
using a gyro sensor, by comparison, give you much greater information on how far off course you are, and you can implement a Proportional, Integral, Differential (PID) control loop to track your course and optimize it to stay tighly on the desired heading, no matter what your bot encounters along the way.
with the gyro, if you are a tiny bit off, you can apply a tiny bit of correction - if you are way off, you can apply a lot of correction - and everything inbetween is covered with very fine resolution.