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A Control-Configured End Effector for a Visual Servoing Algorithm

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2 Author(s)
William J. Palm ; Department of Mechanical Engineering, The University of Rhode Island, Kingston, Rhode Island 02881 ; Ramiro Liscano

An algorithm is presented for using a robot system with a single camera to position in three-dimensional space a slender object for insertion into a hole; for example, an electrical pin-type termination into a connector hole. The algorithm relies on a control-configured end effector to achieve the required horizontal translations and rotational motion, and it does not require camera calibration. A force sensor in each fingertip is integrated with the vision system to allow the robot to teach itself new reference points when different connectors and pins are used. Variability in the grasped orientation and position of the pin can be accommodated with the sensor system. Performance tests show that the system is feasible. More work is needed to determine more precisely the effects of lighting levels and lighting direction.

Published in:

American Control Conference, 1985

Date of Conference:

19-21 June 1985