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Object recognition and obstacle avoidance robot

Publication Type : Conference Paper

Publisher : 2009 Chinese Control and Decision Conference

Authors : Dr. Karthi Balasubramanian, Arunkumar, R., Jayachandran, J., Jayapal, V., Chundatt, B. A., and Freeman, J. D

Campus : Coimbatore

School : School of Engineering

Department : Electronics and Communication

Year : 2009

Abstract : Design highlights of a ldquoThree-wheeled Autonomous Navigational Robotrdquo are presented in this paper. An efficient modular architecture is proposed for ease of adding various modules to the robot. Obstacle detection, pattern recognition and obstacle avoidance are the key aspects of the design. The robot has intelligence built into it that enables it to recognize and pick up balls of a particular colour and ignore other objects in its path. A single board computer mounted on the robot acts as the central controller. It communicates with ultrasonic sensors and motors through multiple microcontrollers and controls the entire motion of the unit. As part of the robot design, a modified H-bridge circuit for driving DC motors efficiently is proposed in this paper.

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