Tuesday, February 12, 2013

Day 11 Autonomous driving using sensors and ultra sonic sensor

01/30/2013

          Today's challenge was use all the sensors and sonars installed on the robot to do an autonomous driving test, in which the robot would turn right after it sensed the wall, then drive straight and stop upon reaching a blackline. After, it would detect a lit candle, and finally driving straight toward the candle until it reached the marked circle surrounding the candle.

The team's robot has a ultra sonic sonar at the front to detect the wall; a line sensor at the back of the sonar to detect the black line, and the flame sensor is on the toppest compartment in the middle, protected from crashing into the wall.
 
The team's strategy was to use the flame sensor's value to determine the robot's distance from the flame. If the value was over a certain limit, the robot will stop as it knew that it was close to the fire.
 
The team's strategy functions as anticipated. The robot reach it final destination at the outter rim of the candle.

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