3pi - PID line follower

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Uploaded by on Sep 1, 2010

code is based on the demo PID line follower with increased speed to 250 and tuned up K and Td

parameters of the PID controller so that the robot is able to navigate through steep curves.

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Science & Technology

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Uploader Comments (milkmandan1369)

  • waw fast =O

    i do wonder, how to you make robots deal with road switches? acute angles, line gaps, or negatives? (white line on black paper) yah my bird brain is big enough to understand a crossway, but the things mentioned above really just go beyond me..

  • @SatoTM2 well, road switches are not that difficult if it doesnt matter which way you take (e.g. dead end) in the past i didi it "always right". with this one, it is a bit different, because line measuring functions from pololu return weighted position (so if you would end up exactly in the middle of the fork the robot would still go straight - so you have to somehow take care of this in the decission process.

    steep curves are dealt with thanks to the correctly set PID parameters.

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  • What are the PID?

    

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