Object recognition and obstacle avoidance robot

  • Authors:

  • Karthi Balasubramanian;R. Arunkumar;Jinu Jayachandran;Vishnu Jayapal;Bibin A. Chundatt;Joshua D. Freeman

  • Affiliations:

  • Department of Electronics and Communication Engineering, Amrita School of Engineering, Amrita Vishwavidyapeetham, India;Department of Electronics and Communication Engineering, Amrita School of Engineering, Amrita Vishwavidyapeetham, India;Department of Electronics and Communication Engineering, Amrita School of Engineering, Amrita Vishwavidyapeetham, India;Department of Electronics and Communication Engineering, Amrita School of Engineering, Amrita Vishwavidyapeetham, India;Department of Electronics and Communication Engineering, Amrita School of Engineering, Amrita Vishwavidyapeetham, India;Department of Electronics and Communication Engineering, Amrita School of Engineering, Amrita Vishwavidyapeetham, India

  • Venue:
  • CCDC'09 Proceedings of the 21st annual international conference on Chinese control and decision conference
  • Year:
  • 2009

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Abstract

Design highlights of a 'Three-wheeled Autonomous Navigational Robot' are presented in this paper. An efficient modular architecture is proposed for ease of adding various modules to the robot. Obstacle detection, pattetn 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.