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Unicycle mobile robot is a robot that can move and maneuver on one wheel. The ability of this robot to stand in the upright position and move without falling down is considered a tough challenge for the researchers to conduct the investigation on it. The ideas of developing unicycle mobile robot are inspired from a human who rides a unicycle. In a real life, when a human rides a unicycle, he needs to balance his position or roll angle by moving his two arms, wrist and body in the unison manner. Meanwhile the pitch angle of the rider can be stabilized by pedalling the unicycle using the two legs back and forth, in order to control the speed and the position of the unicycle's wheel. Besides that, the yaw angle of the unicycle is stabilized by rotating the left and the right hands synchronously. Thus, in this research, a unicycle mobile robot has been designed and fabricated. The parameter from the unicycle's model is acquired and used as the input to its dynamic modelling which has been developed previously.
Date of Conference: 26-29 Nov. 2012