Robots

Cybot segue una linea tramite lettore a infrarossi. Serve un forte contrasto di colori affinché ciò avvenga con successo.

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Eugene recently had a line-following contest at the annual asian celebration. Unfortunately, several of the would-be entries got locked up in the local high-school, so we only had 3 contestants. Myself, one of my kids from the robotics club I mentor, and cute little snail bot that is all analog.

I spent all week working on my PID algorithm, and almost gave up the day before. But it turns out the test mat I built at home was far more difficult than the mat at the contest. So I’m glad I actually went.

I only planned to enter the “beginner” contest, but since there were so few contestants, I went ahead and tried my bot on the “advanced” course. Turns out that they’ve never had a bot successfully complete the advanced course, which my bot did on it’s 2nd try (which didn’t get recorded).

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VEX line following robot as published in ROBOT magazine Sept/Oc 2009. Very fast — compare with other video showing classical “zigzag” algorithm. About two feet per second. Uses a PID control algorithm and line following sensor from Pololu.

Written in ROBOTC. Speed limited by latency in the VEX motors.

Complete source code available in the sample programs shipped with ROBOTC (version 1.58 an above). See www.robotc.net. for download.

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Simple “zig-zag” algorithm for slow line following robot. As Published in ROBOT magzine Sept/Oct 2009 issue. Pretty slow / lame performance. Compare with other video showing same robot with PID algorithm implementation.

Written in ROBOTC. Complete source code available in the ROBOTC sample programs available at www.robotc.net.

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A Lego biped that can follow a dark line. For more info, go to http://blake-foster.com/project.php?p=22

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http://www.freewebs.com/laurens200/index.htm

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These robots used rotating cams and infrared sensors to race around the track. The robot that can do six laps the fastest wins.

I filmed this in January 2009 in Singapore, at Singapore Robotic Games ‘09.

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