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Suranga and Dr. Spears program the Maxelbot, a robotic platform designed and built for our Distributed Robotics Laboratory by Dr. Jerry Hamann, Tom Kunkel, and Paul Maxim.

You are seeing a high speed robot chase sequence. The camera is not used by the robots - it is merely for us humans and gives a feel for the roughness of the terrain for robots this small. The cop is chasing the bad guy using our novel trilateration hardware, which allows the cop to locate the bad guy about 4 times per second (so that the cop can steer correctly). Trilateration works with a combination of radio frequency (RF) and acoustic signals. The difference in the time of flight between radio and sound allow one robot to calculate the range and bearing to another.

The speed of the robots is rather incredible. It exceeds our specifications and expectations. Having the trilateration work with that amount of bouncing and vibration is amazing.

Thanks to Tom Kunkel, Paul Maxim and Suranga Hettiarachchi! And thanks to Paul's poor camera. He had to let the bad guy get away before his camera got destroyed!

Click here for a larger version Robot Chase sequence

And click here for more videos










College of Engineering