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Abstract: In this paper, the design, implementation and control of a humanoid robot, which enables humanlike
walk and a path planning of humanoid robot for obstacle avoidance by using infrared sensors (IRs) is
proposed. As the focus is to obtain human-like walk, the robot is designed to resemble human proportions.
Based on the obtained information from IR sensors, a software flow proposed to decide the behaviour of robot
so that the robot avoids obstacles and goes to the destination. Furthermore the hardware and software
necessary to obtain a fully autonomous system is developed and implemented. Human-like walk was not
obtained on the real system, due to system limitations. If a new interface to the DC-motors in the servos was
developed, and a faster on-board computer was chosen, human-like walk should be possible.
Keywords- Humanoid robot, Autonomous mobile robot, Obstacle avoidance, IR sensors, servo motors, 8051