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Analysis, design and control of a planar micro-robot driven by two centripetal-force actuators

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2 Author(s)
P. Vartholomeos ; Dept. of Mech. Eng., Nat. Tech. Univ. of Athens ; E. Papadopoulos

This paper presents the motion analysis, design and position control of a novel, low cost, sliding micro-robot, which is actuated by centripetal forces generated by robot mounted vibration micro-motors. A new, two-micromotor design of the platform is presented, that improves system energy efficiency, and further does not necessitate for synchronous actuator operation and robot symmetry. The motion behavior of the micro-robot, for asynchronous actuation operation, is expressed analytically and simulation results are presented. A control strategy for microrobot x,thetasz, position control that employs two motor speed controllers, and a platform position controller is designed. The control system performance is evaluated through the simulation of a successful trajectory tracking task. A prototype of the micro-robot has been constructed and is presented

Published in:

Proceedings 2006 IEEE International Conference on Robotics and Automation, 2006. ICRA 2006.

Date of Conference:

15-19 May 2006