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Little Kambiz
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The objective of the competition was to develop a robot that could follow a black line in a white background. This black path had discontinuity and abrupt turn. Little Kambiz has four Infrared reflective sensors attached to the front of the robot. Each sensor along with its related circuitry sends output signal to microcontroller according to the surface it is positioned above, that is, the output is high when its positioned over white, low output when it senses black line. The robot has two driven wheels in the back and the steering is based on differential motion, enables it to change the direction very quickly.
With appropriate sensors arrangement and following an accurate algorithm we’ll make no doubt that it wouldn’t deviate from he line. Here is a brief overview of the algorithm: We put the robot on the ground so that the line places between sensor R and L then controller commands the wheels to go forward. As soon as one of the sensor (R or L) senses black, the related wheel stop while other is moving forward, so the robot turn back to line. When we have discontinuity, RR or LL sense black, controller turns the robot to accurate direction so that again line places between R and L.
Some feature about Little Kambiz :
For any further information please don't hesitate to contact us :
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