Monday, April 11, 2011

Robot Line Following Challenge!!!

Today we tested our robot. Our robot (pictured above) is supposed to follow a path which is a solid black line. It should have gone around the track twice then stop on red square. Our robot this time was a cute little mouse! We named her Mimi and she was all ready to go for the testing.
We had many software problems to figure out this time around. We were having trouble with calibrating the robot to recognize the black line and therefore follow it. We ran out of time in the end so we could not add the part when we would have our robot stop on red. Therefore, when our robot made it around the track once and hit the red square, it turned around and started going the other way around the track. We still got points for it going around the track twice, but it was unable to stop on red. Our time was pretty fast; it was 1 minute 29 seconds. Overall we did just as good as the other teams. It seemed that we were not the only team having troubles with this challenge. This project seemed very advanced and even hard to figure out completely.
During mentor session, we worked on the next task which is to have our robot follow a line that has about 1 inch breaks throughout it. We are very lucky that we don’t have to build a new robot. We are able to use the same robot that we used in the previous challenge. This saved us a lot of time that we used to work on the program. We are trying to rework the software to coast when the gaps appear on the track and then just move on until it reaches the next black line. Our problem today with the new task was trying to get the robot to keep on going and not freak out when the white gaps appeared in the track. We ended today with the robot still being able to follow the line and getting past only a few gaps. The problem that we will tackle on Wednesday is to have the robot make it past all of the gaps instead of just one or two.  

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