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Line follower Robot

Some of the earliest Automated Guided Vehicles (AGVs) were line following mobile robots. They might follow a visual line painted or embedded in the floor or ceiling or an electrical wire in the floor. Most of these robots operated a simple "keep the line in the center sensor" algorithm.
This simple robot is designed to be able to follow a black line on the ground without getting off the line too much. The robot has two sensors installed underneath the front part of the body, and two DC motors drive wheels moving forward. A circuit inside takes an input signal from two sensors and controls the speed of wheels’ rotation. The control is done in such a way that when a sensor senses a black line, the motor slows down or even stops. Then the difference of rotation speed makes it possible to make turns. For instance, in the figure on the right, if the sensor somehow senses a black line, the wheel on that side slows down and the robot will make a right turn.

Useful Material :

A Line follower Robot (PDF)
Line follower robot  (pdf)

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1 comment :

puneet bhatt said...

sir,i am interested in this project.Can you kindly ellaborate the advantages/benefits of this project ? why we should use this project ?
can you please mail me at puneetbhatt007@gmail.com
i'll be very thankful to you