Mar 29, 2011

Line Following Tutorial


Here's a short and informative tutorial to creating a Line following robot using "Fuzzy Logic". This is a lot simpler than most PID control Line Followers, and still a lot smoother than simple Switch (left-right) Line Followers.

Thanks for sharing Stefan!

7 comments:

Andy Dannelley said...

Wow! have got to look more closely at this! This program looks much less complicated than the PID programs and seems to do the job of line following just as well.

Thanks for posting this and thanks to Stefan for doing the work and sharing it with the NXT community.

Andy

Dean said...

I'm not seeing how this is fuzzy logic. Where are the membership functions? Looks like proportional control to me.

sqiddster said...

It is proportional control... essentilaay PID without the ID :)

Laurens Valk said...

You're probably right, and that's why I put it in quotes.

But I think it's still a helpful tutorial for people (especially FLL participants) who would like to improve their left-right switch line following programs.

Laurens

rb95403 said...

Thanks and I will give it a try!

Dave Parker said...

Yes, this is just proportional control. Another sample implementation here:
http://www.nxtprograms.com/NXT2/line_follower/index.html

Aranson68 said...

I've tried both types of Line following programs; The more complex PID and this one. The PID was enjoy able to learn with all the logic behind it but I must say I'm very impressed with this version. Especially since I'm fairly new to robotics. Thanks for the great post please keep them coming.

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