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Published on: November 17, 2015
Algorithms for the Motion of Randomly Positioned Hexagonal and Square Microparts on a "Smart Platform" with
Georgia Kritikou1, Nikos Aspragathos1, Vassilis Moulianitis2
1Robotics Group, Department of Mechanical Engineering and Aeronautics, University of Patras, 265 04 Rio, Greece.
Abstract:
In this paper, an approach is proposed for the simultaneous manipulation of multiple hexagonal and square plastic-glass type microparts that are positioned randomly on a smart platform (SP) using electrostatic forces applied by the suitable activation of circular conductive electrodes. First, the statics analysis of a micropart on the SP is presented in detail and the forces and torques that are applied to and around the center of mass (COM) respectively due to the activation of a SP electrode are determined. The "single electrode activation" (SEA) and the "multiple electrodes activations" (MEA) algorithms are introduced to determine the feasible SP electrodes activations for the microparts manipulation considering their initial configuration. An algorithm for the simultaneous handling of multiple microparts is studied considering the collision avoidance with neighboring microparts. An approach is presented for the simultaneous centralization and alignment of the microparts preparing them for their batch parallel motion on the SP. The developed algorithms are applied to a simulated platform and the results are presented and discussed.
